[pykdtree] 01/07: Imported Upstream version 1.1.1

Antonio Valentino a_valentino-guest at moszumanska.debian.org
Sat Jul 2 16:56:02 UTC 2016


This is an automated email from the git hooks/post-receive script.

a_valentino-guest pushed a commit to branch master
in repository pykdtree.

commit 10431e4a0ffa90db51b525f979929d57dc97f377
Author: Antonio Valentino <antonio.valentino at tiscali.it>
Date:   Sat Jul 2 16:17:06 2016 +0000

    Imported Upstream version 1.1.1
---
 PKG-INFO                   |    2 +-
 pykdtree.egg-info/PKG-INFO |    2 +-
 pykdtree/kdtree.c          | 4572 +++++++++++++++++++++++---------------------
 pykdtree/test_tree.py      |    9 +
 setup.py                   |   20 +-
 5 files changed, 2451 insertions(+), 2154 deletions(-)

diff --git a/PKG-INFO b/PKG-INFO
index 35629ca..6fb385f 100644
--- a/PKG-INFO
+++ b/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.1
 Name: pykdtree
-Version: 1.0
+Version: 1.1.1
 Summary: Fast kd-tree implementation with OpenMP-enabled queries
 Home-page: UNKNOWN
 Author: Esben S. Nielsen
diff --git a/pykdtree.egg-info/PKG-INFO b/pykdtree.egg-info/PKG-INFO
index 35629ca..6fb385f 100644
--- a/pykdtree.egg-info/PKG-INFO
+++ b/pykdtree.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.1
 Name: pykdtree
-Version: 1.0
+Version: 1.1.1
 Summary: Fast kd-tree implementation with OpenMP-enabled queries
 Home-page: UNKNOWN
 Author: Esben S. Nielsen
diff --git a/pykdtree/kdtree.c b/pykdtree/kdtree.c
index 729c087..09c6579 100644
--- a/pykdtree/kdtree.c
+++ b/pykdtree/kdtree.c
@@ -1,12 +1,25 @@
-/* Generated by Cython 0.18 on Tue May 28 10:49:15 2013 */
+/* Generated by Cython 0.20.1post0 (Debian 0.20.1+git90-g0e6e38e-1ubuntu2) on Sun Feb 28 22:12:37 2016 */
 
 #define PY_SSIZE_T_CLEAN
+#ifndef CYTHON_USE_PYLONG_INTERNALS
+#ifdef PYLONG_BITS_IN_DIGIT
+#define CYTHON_USE_PYLONG_INTERNALS 0
+#else
+#include "pyconfig.h"
+#ifdef PYLONG_BITS_IN_DIGIT
+#define CYTHON_USE_PYLONG_INTERNALS 1
+#else
+#define CYTHON_USE_PYLONG_INTERNALS 0
+#endif
+#endif
+#endif
 #include "Python.h"
 #ifndef Py_PYTHON_H
     #error Python headers needed to compile C extensions, please install development version of Python.
 #elif PY_VERSION_HEX < 0x02040000
     #error Cython requires Python 2.4+.
 #else
+#define CYTHON_ABI "0_20_1post0"
 #include <stddef.h> /* For offsetof */
 #ifndef offsetof
 #define offsetof(type, member) ( (size_t) & ((type*)0) -> member )
@@ -41,6 +54,9 @@
 #define CYTHON_COMPILING_IN_PYPY 0
 #define CYTHON_COMPILING_IN_CPYTHON 1
 #endif
+#if CYTHON_COMPILING_IN_PYPY
+#define Py_OptimizeFlag 0
+#endif
 #if PY_VERSION_HEX < 0x02050000
   typedef int Py_ssize_t;
   #define PY_SSIZE_T_MAX INT_MAX
@@ -48,7 +64,7 @@
   #define PY_FORMAT_SIZE_T ""
   #define CYTHON_FORMAT_SSIZE_T ""
   #define PyInt_FromSsize_t(z) PyInt_FromLong(z)
-  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_AsInt(o)
+  #define PyInt_AsSsize_t(o)   __Pyx_PyInt_As_int(o)
   #define PyNumber_Index(o)    ((PyNumber_Check(o) && !PyFloat_Check(o)) ? PyNumber_Int(o) : \
                                 (PyErr_Format(PyExc_TypeError, \
                                               "expected index value, got %.200s", Py_TYPE(o)->tp_name), \
@@ -100,13 +116,15 @@
 #if PY_MAJOR_VERSION < 3
   #define __Pyx_BUILTIN_MODULE_NAME "__builtin__"
   #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
-          PyCode_New(a, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+          PyCode_New(a+k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+  #define __Pyx_DefaultClassType PyClass_Type
 #else
   #define __Pyx_BUILTIN_MODULE_NAME "builtins"
   #define __Pyx_PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos) \
           PyCode_New(a, k, l, s, f, code, c, n, v, fv, cell, fn, name, fline, lnos)
+  #define __Pyx_DefaultClassType PyType_Type
 #endif
-#if PY_MAJOR_VERSION < 3 && PY_MINOR_VERSION < 6
+#if PY_VERSION_HEX < 0x02060000
   #define PyUnicode_FromString(s) PyUnicode_Decode(s, strlen(s), "UTF-8", "strict")
 #endif
 #if PY_MAJOR_VERSION >= 3
@@ -116,19 +134,47 @@
 #if (PY_VERSION_HEX < 0x02060000) || (PY_MAJOR_VERSION >= 3)
   #define Py_TPFLAGS_HAVE_NEWBUFFER 0
 #endif
+#if PY_VERSION_HEX < 0x02060000
+  #define Py_TPFLAGS_HAVE_VERSION_TAG 0
+#endif
+#if PY_VERSION_HEX < 0x02060000 && !defined(Py_TPFLAGS_IS_ABSTRACT)
+  #define Py_TPFLAGS_IS_ABSTRACT 0
+#endif
+#if PY_VERSION_HEX < 0x030400a1 && !defined(Py_TPFLAGS_HAVE_FINALIZE)
+  #define Py_TPFLAGS_HAVE_FINALIZE 0
+#endif
 #if PY_VERSION_HEX > 0x03030000 && defined(PyUnicode_KIND)
   #define CYTHON_PEP393_ENABLED 1
   #define __Pyx_PyUnicode_READY(op)       (likely(PyUnicode_IS_READY(op)) ? \
                                               0 : _PyUnicode_Ready((PyObject *)(op)))
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
+  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
+  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
   #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
 #else
   #define CYTHON_PEP393_ENABLED 0
   #define __Pyx_PyUnicode_READY(op)       (0)
   #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
   #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((k=k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
+  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
+  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
+  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
+#endif
+#if CYTHON_COMPILING_IN_PYPY
+  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
+  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
+#else
+  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
+  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ? \
+      PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b))
+#endif
+#define __Pyx_PyString_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
+#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None)) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
+#else
+  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
 #endif
 #if PY_MAJOR_VERSION >= 3
   #define PyBaseString_Type            PyUnicode_Type
@@ -155,6 +201,14 @@
   #define PyBytes_Concat               PyString_Concat
   #define PyBytes_ConcatAndDel         PyString_ConcatAndDel
 #endif
+#if PY_MAJOR_VERSION >= 3
+  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
+  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
+#else
+  #define __Pyx_PyBaseString_Check(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj) || \
+                                         PyString_Check(obj) || PyUnicode_Check(obj))
+  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
+#endif
 #if PY_VERSION_HEX < 0x02060000
   #define PySet_Check(obj)             PyObject_TypeCheck(obj, &PySet_Type)
   #define PyFrozenSet_Check(obj)       PyObject_TypeCheck(obj, &PyFrozenSet_Type)
@@ -178,11 +232,12 @@
   #define PyInt_AsSsize_t              PyLong_AsSsize_t
   #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
   #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
+  #define PyNumber_Int                 PyNumber_Long
 #endif
 #if PY_MAJOR_VERSION >= 3
   #define PyBoolObject                 PyLongObject
 #endif
-#if PY_VERSION_HEX < 0x03020000
+#if PY_VERSION_HEX < 0x030200A4
   typedef long Py_hash_t;
   #define __Pyx_PyInt_FromHash_t PyInt_FromLong
   #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
@@ -227,6 +282,46 @@
   #define __Pyx_NAMESTR(n) (n)
   #define __Pyx_DOCSTR(n)  (n)
 #endif
+#ifndef CYTHON_INLINE
+  #if defined(__GNUC__)
+    #define CYTHON_INLINE __inline__
+  #elif defined(_MSC_VER)
+    #define CYTHON_INLINE __inline
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_INLINE inline
+  #else
+    #define CYTHON_INLINE
+  #endif
+#endif
+#ifndef CYTHON_RESTRICT
+  #if defined(__GNUC__)
+    #define CYTHON_RESTRICT __restrict__
+  #elif defined(_MSC_VER) && _MSC_VER >= 1400
+    #define CYTHON_RESTRICT __restrict
+  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+    #define CYTHON_RESTRICT restrict
+  #else
+    #define CYTHON_RESTRICT
+  #endif
+#endif
+#ifdef NAN
+#define __PYX_NAN() ((float) NAN)
+#else
+static CYTHON_INLINE float __PYX_NAN() {
+  /* Initialize NaN. The sign is irrelevant, an exponent with all bits 1 and
+   a nonzero mantissa means NaN. If the first bit in the mantissa is 1, it is
+   a quiet NaN. */
+  float value;
+  memset(&value, 0xFF, sizeof(value));
+  return value;
+}
+#endif
+#ifdef __cplusplus
+template<typename T>
+void __Pyx_call_destructor(T* x) {
+    x->~T();
+}
+#endif
 
 
 #if PY_MAJOR_VERSION >= 3
@@ -265,17 +360,6 @@
 #define CYTHON_WITHOUT_ASSERTIONS
 #endif
 
-#ifndef CYTHON_INLINE
-  #if defined(__GNUC__)
-    #define CYTHON_INLINE __inline__
-  #elif defined(_MSC_VER)
-    #define CYTHON_INLINE __inline
-  #elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define CYTHON_INLINE inline
-  #else
-    #define CYTHON_INLINE
-  #endif
-#endif
 #ifndef CYTHON_UNUSED
 # if defined(__GNUC__)
 #   if !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
@@ -289,40 +373,155 @@
 #   define CYTHON_UNUSED
 # endif
 #endif
-typedef struct {PyObject **p; char *s; const long n; const char* encoding; const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
-
-#define __Pyx_PyBytes_FromUString(s) PyBytes_FromString((char*)s)
-#define __Pyx_PyBytes_AsUString(s)   ((unsigned char*) PyBytes_AsString(s))
+typedef struct {PyObject **p; char *s; const Py_ssize_t n; const char* encoding;
+                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; /*proto*/
+
+#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
+#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT 0
+#define __PYX_DEFAULT_STRING_ENCODING ""
+#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
+#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
+#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (    \
+    (sizeof(type) < sizeof(Py_ssize_t))  ||             \
+    (sizeof(type) > sizeof(Py_ssize_t) &&               \
+          likely(v < (type)PY_SSIZE_T_MAX ||            \
+                 v == (type)PY_SSIZE_T_MAX)  &&         \
+          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||       \
+                                v == (type)PY_SSIZE_T_MIN)))  ||  \
+    (sizeof(type) == sizeof(Py_ssize_t) &&              \
+          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||        \
+                               v == (type)PY_SSIZE_T_MAX)))  )
+static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject*);
+static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
+#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
+#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
+#define __Pyx_PyBytes_FromString        PyBytes_FromString
+#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
+#if PY_MAJOR_VERSION < 3
+    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
+    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
+#else
+    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
+    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
+#endif
+#define __Pyx_PyObject_AsSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_AsUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
+#define __Pyx_PyObject_FromUString(s)  __Pyx_PyObject_FromString((const char*)s)
+#define __Pyx_PyBytes_FromUString(s)   __Pyx_PyBytes_FromString((const char*)s)
+#define __Pyx_PyByteArray_FromUString(s)   __Pyx_PyByteArray_FromString((const char*)s)
+#define __Pyx_PyStr_FromUString(s)     __Pyx_PyStr_FromString((const char*)s)
+#define __Pyx_PyUnicode_FromUString(s) __Pyx_PyUnicode_FromString((const char*)s)
+#if PY_MAJOR_VERSION < 3
+static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
+{
+    const Py_UNICODE *u_end = u;
+    while (*u_end++) ;
+    return u_end - u - 1;
+}
+#else
+#define __Pyx_Py_UNICODE_strlen Py_UNICODE_strlen
+#endif
+#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
+#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
+#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
 #define __Pyx_Owned_Py_None(b) (Py_INCREF(Py_None), Py_None)
 #define __Pyx_PyBool_FromLong(b) ((b) ? (Py_INCREF(Py_True), Py_True) : (Py_INCREF(Py_False), Py_False))
 static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
 static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x);
 static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
 static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject*);
 #if CYTHON_COMPILING_IN_CPYTHON
 #define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
 #else
 #define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
 #endif
 #define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
+#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+static int __Pyx_sys_getdefaultencoding_not_ascii;
+static int __Pyx_init_sys_getdefaultencoding_params(void) {
+    PyObject* sys = NULL;
+    PyObject* default_encoding = NULL;
+    PyObject* ascii_chars_u = NULL;
+    PyObject* ascii_chars_b = NULL;
+    sys = PyImport_ImportModule("sys");
+    if (sys == NULL) goto bad;
+    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
+    if (default_encoding == NULL) goto bad;
+    if (strcmp(PyBytes_AsString(default_encoding), "ascii") == 0) {
+        __Pyx_sys_getdefaultencoding_not_ascii = 0;
+    } else {
+        const char* default_encoding_c = PyBytes_AS_STRING(default_encoding);
+        char ascii_chars[128];
+        int c;
+        for (c = 0; c < 128; c++) {
+            ascii_chars[c] = c;
+        }
+        __Pyx_sys_getdefaultencoding_not_ascii = 1;
+        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
+        if (ascii_chars_u == NULL) goto bad;
+        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
+        if (ascii_chars_b == NULL || strncmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
+            PyErr_Format(
+                PyExc_ValueError,
+                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
+                default_encoding_c);
+            goto bad;
+        }
+    }
+    Py_XDECREF(sys);
+    Py_XDECREF(default_encoding);
+    Py_XDECREF(ascii_chars_u);
+    Py_XDECREF(ascii_chars_b);
+    return 0;
+bad:
+    Py_XDECREF(sys);
+    Py_XDECREF(default_encoding);
+    Py_XDECREF(ascii_chars_u);
+    Py_XDECREF(ascii_chars_b);
+    return -1;
+}
+#endif
+#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
+#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
+#else
+#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
+#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
+static char* __PYX_DEFAULT_STRING_ENCODING;
+static int __Pyx_init_sys_getdefaultencoding_params(void) {
+    PyObject* sys = NULL;
+    PyObject* default_encoding = NULL;
+    char* default_encoding_c;
+    sys = PyImport_ImportModule("sys");
+    if (sys == NULL) goto bad;
+    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
+    if (default_encoding == NULL) goto bad;
+    default_encoding_c = PyBytes_AS_STRING(default_encoding);
+    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c));
+    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
+    Py_DECREF(sys);
+    Py_DECREF(default_encoding);
+    return 0;
+bad:
+    Py_XDECREF(sys);
+    Py_XDECREF(default_encoding);
+    return -1;
+}
+#endif
+#endif
 
 
-#ifdef __GNUC__
-  /* Test for GCC > 2.95 */
-  #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
-    #define likely(x)   __builtin_expect(!!(x), 1)
-    #define unlikely(x) __builtin_expect(!!(x), 0)
-  #else /* __GNUC__ > 2 ... */
-    #define likely(x)   (x)
-    #define unlikely(x) (x)
-  #endif /* __GNUC__ > 2 ... */
-#else /* __GNUC__ */
+/* Test for GCC > 2.95 */
+#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
+  #define likely(x)   __builtin_expect(!!(x), 1)
+  #define unlikely(x) __builtin_expect(!!(x), 0)
+#else /* !__GNUC__ or GCC < 2.95 */
   #define likely(x)   (x)
   #define unlikely(x) (x)
 #endif /* __GNUC__ */
-    
+
 static PyObject *__pyx_m;
+static PyObject *__pyx_d;
 static PyObject *__pyx_b;
 static PyObject *__pyx_empty_tuple;
 static PyObject *__pyx_empty_bytes;
@@ -355,7 +554,7 @@ static const char *__pyx_filename;
 
 static const char *__pyx_f[] = {
   "kdtree.pyx",
-  "numpy.pxd",
+  "__init__.pxd",
   "type.pxd",
 };
 #define IS_UNSIGNED(type) (((type) -1) > 0)
@@ -394,7 +593,7 @@ typedef struct {
 } __Pyx_BufFmt_Context;
 
 
-/* "numpy.pxd":723
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":723
  * # in Cython to enable them only on the right systems.
  * 
  * ctypedef npy_int8       int8_t             # <<<<<<<<<<<<<<
@@ -403,7 +602,7 @@ typedef struct {
  */
 typedef npy_int8 __pyx_t_5numpy_int8_t;
 
-/* "numpy.pxd":724
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":724
  * 
  * ctypedef npy_int8       int8_t
  * ctypedef npy_int16      int16_t             # <<<<<<<<<<<<<<
@@ -412,7 +611,7 @@ typedef npy_int8 __pyx_t_5numpy_int8_t;
  */
 typedef npy_int16 __pyx_t_5numpy_int16_t;
 
-/* "numpy.pxd":725
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":725
  * ctypedef npy_int8       int8_t
  * ctypedef npy_int16      int16_t
  * ctypedef npy_int32      int32_t             # <<<<<<<<<<<<<<
@@ -421,7 +620,7 @@ typedef npy_int16 __pyx_t_5numpy_int16_t;
  */
 typedef npy_int32 __pyx_t_5numpy_int32_t;
 
-/* "numpy.pxd":726
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":726
  * ctypedef npy_int16      int16_t
  * ctypedef npy_int32      int32_t
  * ctypedef npy_int64      int64_t             # <<<<<<<<<<<<<<
@@ -430,7 +629,7 @@ typedef npy_int32 __pyx_t_5numpy_int32_t;
  */
 typedef npy_int64 __pyx_t_5numpy_int64_t;
 
-/* "numpy.pxd":730
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":730
  * #ctypedef npy_int128     int128_t
  * 
  * ctypedef npy_uint8      uint8_t             # <<<<<<<<<<<<<<
@@ -439,7 +638,7 @@ typedef npy_int64 __pyx_t_5numpy_int64_t;
  */
 typedef npy_uint8 __pyx_t_5numpy_uint8_t;
 
-/* "numpy.pxd":731
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":731
  * 
  * ctypedef npy_uint8      uint8_t
  * ctypedef npy_uint16     uint16_t             # <<<<<<<<<<<<<<
@@ -448,7 +647,7 @@ typedef npy_uint8 __pyx_t_5numpy_uint8_t;
  */
 typedef npy_uint16 __pyx_t_5numpy_uint16_t;
 
-/* "numpy.pxd":732
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":732
  * ctypedef npy_uint8      uint8_t
  * ctypedef npy_uint16     uint16_t
  * ctypedef npy_uint32     uint32_t             # <<<<<<<<<<<<<<
@@ -457,7 +656,7 @@ typedef npy_uint16 __pyx_t_5numpy_uint16_t;
  */
 typedef npy_uint32 __pyx_t_5numpy_uint32_t;
 
-/* "numpy.pxd":733
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":733
  * ctypedef npy_uint16     uint16_t
  * ctypedef npy_uint32     uint32_t
  * ctypedef npy_uint64     uint64_t             # <<<<<<<<<<<<<<
@@ -466,7 +665,7 @@ typedef npy_uint32 __pyx_t_5numpy_uint32_t;
  */
 typedef npy_uint64 __pyx_t_5numpy_uint64_t;
 
-/* "numpy.pxd":737
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":737
  * #ctypedef npy_uint128    uint128_t
  * 
  * ctypedef npy_float32    float32_t             # <<<<<<<<<<<<<<
@@ -475,7 +674,7 @@ typedef npy_uint64 __pyx_t_5numpy_uint64_t;
  */
 typedef npy_float32 __pyx_t_5numpy_float32_t;
 
-/* "numpy.pxd":738
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":738
  * 
  * ctypedef npy_float32    float32_t
  * ctypedef npy_float64    float64_t             # <<<<<<<<<<<<<<
@@ -484,7 +683,7 @@ typedef npy_float32 __pyx_t_5numpy_float32_t;
  */
 typedef npy_float64 __pyx_t_5numpy_float64_t;
 
-/* "numpy.pxd":747
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":747
  * # The int types are mapped a bit surprising --
  * # numpy.int corresponds to 'l' and numpy.long to 'q'
  * ctypedef npy_long       int_t             # <<<<<<<<<<<<<<
@@ -493,7 +692,7 @@ typedef npy_float64 __pyx_t_5numpy_float64_t;
  */
 typedef npy_long __pyx_t_5numpy_int_t;
 
-/* "numpy.pxd":748
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":748
  * # numpy.int corresponds to 'l' and numpy.long to 'q'
  * ctypedef npy_long       int_t
  * ctypedef npy_longlong   long_t             # <<<<<<<<<<<<<<
@@ -502,7 +701,7 @@ typedef npy_long __pyx_t_5numpy_int_t;
  */
 typedef npy_longlong __pyx_t_5numpy_long_t;
 
-/* "numpy.pxd":749
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":749
  * ctypedef npy_long       int_t
  * ctypedef npy_longlong   long_t
  * ctypedef npy_longlong   longlong_t             # <<<<<<<<<<<<<<
@@ -511,7 +710,7 @@ typedef npy_longlong __pyx_t_5numpy_long_t;
  */
 typedef npy_longlong __pyx_t_5numpy_longlong_t;
 
-/* "numpy.pxd":751
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":751
  * ctypedef npy_longlong   longlong_t
  * 
  * ctypedef npy_ulong      uint_t             # <<<<<<<<<<<<<<
@@ -520,7 +719,7 @@ typedef npy_longlong __pyx_t_5numpy_longlong_t;
  */
 typedef npy_ulong __pyx_t_5numpy_uint_t;
 
-/* "numpy.pxd":752
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":752
  * 
  * ctypedef npy_ulong      uint_t
  * ctypedef npy_ulonglong  ulong_t             # <<<<<<<<<<<<<<
@@ -529,7 +728,7 @@ typedef npy_ulong __pyx_t_5numpy_uint_t;
  */
 typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
 
-/* "numpy.pxd":753
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":753
  * ctypedef npy_ulong      uint_t
  * ctypedef npy_ulonglong  ulong_t
  * ctypedef npy_ulonglong  ulonglong_t             # <<<<<<<<<<<<<<
@@ -538,7 +737,7 @@ typedef npy_ulonglong __pyx_t_5numpy_ulong_t;
  */
 typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;
 
-/* "numpy.pxd":755
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":755
  * ctypedef npy_ulonglong  ulonglong_t
  * 
  * ctypedef npy_intp       intp_t             # <<<<<<<<<<<<<<
@@ -547,7 +746,7 @@ typedef npy_ulonglong __pyx_t_5numpy_ulonglong_t;
  */
 typedef npy_intp __pyx_t_5numpy_intp_t;
 
-/* "numpy.pxd":756
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":756
  * 
  * ctypedef npy_intp       intp_t
  * ctypedef npy_uintp      uintp_t             # <<<<<<<<<<<<<<
@@ -556,7 +755,7 @@ typedef npy_intp __pyx_t_5numpy_intp_t;
  */
 typedef npy_uintp __pyx_t_5numpy_uintp_t;
 
-/* "numpy.pxd":758
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":758
  * ctypedef npy_uintp      uintp_t
  * 
  * ctypedef npy_double     float_t             # <<<<<<<<<<<<<<
@@ -565,7 +764,7 @@ typedef npy_uintp __pyx_t_5numpy_uintp_t;
  */
 typedef npy_double __pyx_t_5numpy_float_t;
 
-/* "numpy.pxd":759
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":759
  * 
  * ctypedef npy_double     float_t
  * ctypedef npy_double     double_t             # <<<<<<<<<<<<<<
@@ -574,7 +773,7 @@ typedef npy_double __pyx_t_5numpy_float_t;
  */
 typedef npy_double __pyx_t_5numpy_double_t;
 
-/* "numpy.pxd":760
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":760
  * ctypedef npy_double     float_t
  * ctypedef npy_double     double_t
  * ctypedef npy_longdouble longdouble_t             # <<<<<<<<<<<<<<
@@ -606,7 +805,7 @@ typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
 /*--- Type declarations ---*/
 struct __pyx_obj_8pykdtree_6kdtree_KDTree;
 
-/* "numpy.pxd":762
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":762
  * ctypedef npy_longdouble longdouble_t
  * 
  * ctypedef npy_cfloat      cfloat_t             # <<<<<<<<<<<<<<
@@ -615,7 +814,7 @@ struct __pyx_obj_8pykdtree_6kdtree_KDTree;
  */
 typedef npy_cfloat __pyx_t_5numpy_cfloat_t;
 
-/* "numpy.pxd":763
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":763
  * 
  * ctypedef npy_cfloat      cfloat_t
  * ctypedef npy_cdouble     cdouble_t             # <<<<<<<<<<<<<<
@@ -624,7 +823,7 @@ typedef npy_cfloat __pyx_t_5numpy_cfloat_t;
  */
 typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
 
-/* "numpy.pxd":764
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":764
  * ctypedef npy_cfloat      cfloat_t
  * ctypedef npy_cdouble     cdouble_t
  * ctypedef npy_clongdouble clongdouble_t             # <<<<<<<<<<<<<<
@@ -633,7 +832,7 @@ typedef npy_cdouble __pyx_t_5numpy_cdouble_t;
  */
 typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
 
-/* "numpy.pxd":766
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":766
  * ctypedef npy_clongdouble clongdouble_t
  * 
  * ctypedef npy_cdouble     complex_t             # <<<<<<<<<<<<<<
@@ -722,6 +921,7 @@ struct __pyx_obj_8pykdtree_6kdtree_KDTree {
   struct __pyx_t_8pykdtree_6kdtree_tree_float *_kdtree_float;
   struct __pyx_t_8pykdtree_6kdtree_tree_double *_kdtree_double;
   PyArrayObject *data_pts;
+  PyArrayObject *data;
   float *_data_pts_data_float;
   double *_data_pts_data_double;
   uint32_t n;
@@ -780,10 +980,33 @@ struct __pyx_obj_8pykdtree_6kdtree_KDTree {
   #define __Pyx_XGOTREF(r)
   #define __Pyx_XGIVEREF(r)
 #endif /* CYTHON_REFNANNY */
+#define __Pyx_XDECREF_SET(r, v) do {                            \
+        PyObject *tmp = (PyObject *) r;                         \
+        r = v; __Pyx_XDECREF(tmp);                              \
+    } while (0)
+#define __Pyx_DECREF_SET(r, v) do {                             \
+        PyObject *tmp = (PyObject *) r;                         \
+        r = v; __Pyx_DECREF(tmp);                               \
+    } while (0)
 #define __Pyx_CLEAR(r)    do { PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);} while(0)
 #define __Pyx_XCLEAR(r)   do { if((r) != NULL) {PyObject* tmp = ((PyObject*)(r)); r = NULL; __Pyx_DECREF(tmp);}} while(0)
 
-static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name); /*proto*/
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStr(PyObject* obj, PyObject* attr_name) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_getattro))
+        return tp->tp_getattro(obj, attr_name);
+#if PY_MAJOR_VERSION < 3
+    if (likely(tp->tp_getattr))
+        return tp->tp_getattr(obj, PyString_AS_STRING(attr_name));
+#endif
+    return PyObject_GetAttr(obj, attr_name);
+}
+#else
+#define __Pyx_PyObject_GetAttrStr(o,n) PyObject_GetAttr(o,n)
+#endif
+
+static PyObject *__Pyx_GetBuiltinName(PyObject *name); /*proto*/
 
 static void __Pyx_RaiseArgtupleInvalid(const char* func_name, int exact,
     Py_ssize_t num_min, Py_ssize_t num_max, Py_ssize_t num_found); /*proto*/
@@ -796,14 +1019,22 @@ static int __Pyx_ParseOptionalKeywords(PyObject *kwds, PyObject **argnames[], \
     PyObject *kwds2, PyObject *values[], Py_ssize_t num_pos_args, \
     const char* function_name); /*proto*/
 
-static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
     const char *name, int exact); /*proto*/
 
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw); /*proto*/
+#else
+#define __Pyx_PyObject_Call(func, arg, kw) PyObject_Call(func, arg, kw)
+#endif
+
 static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb); /*proto*/
 static CYTHON_INLINE void __Pyx_ErrFetch(PyObject **type, PyObject **value, PyObject **tb); /*proto*/
 
 static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause); /*proto*/
 
+static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name); /*proto*/
+
 static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type); /*proto*/
 
 static CYTHON_INLINE int  __Pyx_GetBufferAndValidate(Py_buffer* buf, PyObject* obj,
@@ -818,13 +1049,9 @@ static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index);
 
 static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void);
 
-static CYTHON_INLINE int __Pyx_IterFinish(void); /*proto*/
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value);
 
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); /*proto*/
-
-static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_uint32_t(uint32_t);
-
-static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_int8_t(int8_t);
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int8_t(int8_t value);
 
 typedef struct {
   Py_ssize_t shape, strides, suboffsets;
@@ -853,11 +1080,13 @@ static Py_ssize_t __Pyx_minusones[] = {-1, -1, -1, -1, -1, -1, -1, -1};
 
 static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); /*proto*/
 
+static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *);
+
 #ifndef __PYX_FORCE_INIT_THREADS
   #define __PYX_FORCE_INIT_THREADS 0
 #endif
 
-static CYTHON_INLINE uint32_t __Pyx_PyInt_from_py_uint32_t(PyObject *);
+static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *);
 
 #if CYTHON_CCOMPLEX
   #ifdef __cplusplus
@@ -871,7 +1100,7 @@ static CYTHON_INLINE uint32_t __Pyx_PyInt_from_py_uint32_t(PyObject *);
     #define __Pyx_CREAL(z) ((z).real)
     #define __Pyx_CIMAG(z) ((z).imag)
 #endif
-#if defined(_WIN32) && defined(__cplusplus) && CYTHON_CCOMPLEX
+#if (defined(_WIN32) || defined(__clang__)) && defined(__cplusplus) && CYTHON_CCOMPLEX
     #define __Pyx_SET_CREAL(z,x) ((z).real(x))
     #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
 #else
@@ -957,37 +1186,11 @@ static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(do
     #endif
 #endif
 
-static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject *);
-
-static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject *);
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value);
 
-static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject *);
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value);
 
-static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject *);
-
-static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject *);
-
-static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject *);
-
-static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject *);
-
-static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject *);
-
-static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject *);
-
-static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject *);
-
-static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject *);
-
-static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject *);
-
-static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject *);
-
-static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject *);
-
-static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject *);
-
-static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject *);
+static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *);
 
 static int __Pyx_check_binary_version(void);
 
@@ -1078,122 +1281,136 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self, PyArrayObject *__pyx_v_query_pts, PyObject *__pyx_v_k, PyObject *__pyx_v_eps, PyObject *__pyx_v_distance_upper_bound, PyObject *__pyx_v_sqr_dists); /* proto */
 static void __pyx_pf_8pykdtree_6kdtree_6KDTree_6__dealloc__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_8data_pts___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4data___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_1n___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4ndim___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_8leafsize___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self); /* proto */
 static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /* proto */
 static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info); /* proto */
-static char __pyx_k_1[] = "leafsize must be greater than zero";
-static char __pyx_k_3[] = "distance_upper_bound";
-static char __pyx_k_5[] = "Number of neighbours must be greater than zero";
-static char __pyx_k_7[] = "eps must be non-negative";
-static char __pyx_k_9[] = "distance_upper_bound must be non negative";
-static char __pyx_k_11[] = "Data and query points must have same dimensions";
-static char __pyx_k_13[] = "Type mismatch. query points must be of type float32 when data points are of type float32";
-static char __pyx_k_15[] = "ndarray is not C contiguous";
-static char __pyx_k_17[] = "ndarray is not Fortran contiguous";
-static char __pyx_k_19[] = "Non-native byte order not supported";
-static char __pyx_k_21[] = "unknown dtype code in numpy.pxd (%d)";
-static char __pyx_k_22[] = "Format string allocated too short, see comment in numpy.pxd";
-static char __pyx_k_25[] = "Format string allocated too short.";
-static char __pyx_k__B[] = "B";
-static char __pyx_k__H[] = "H";
-static char __pyx_k__I[] = "I";
-static char __pyx_k__L[] = "L";
-static char __pyx_k__O[] = "O";
-static char __pyx_k__Q[] = "Q";
-static char __pyx_k__b[] = "b";
-static char __pyx_k__d[] = "d";
-static char __pyx_k__f[] = "f";
-static char __pyx_k__g[] = "g";
-static char __pyx_k__h[] = "h";
-static char __pyx_k__i[] = "i";
-static char __pyx_k__k[] = "k";
-static char __pyx_k__l[] = "l";
-static char __pyx_k__q[] = "q";
-static char __pyx_k__Zd[] = "Zd";
-static char __pyx_k__Zf[] = "Zf";
-static char __pyx_k__Zg[] = "Zg";
-static char __pyx_k__np[] = "np";
-static char __pyx_k__Inf[] = "Inf";
-static char __pyx_k__eps[] = "eps";
-static char __pyx_k__max[] = "max";
-static char __pyx_k__sqrt[] = "sqrt";
-static char __pyx_k__dtype[] = "dtype";
-static char __pyx_k__empty[] = "empty";
-static char __pyx_k__finfo[] = "finfo";
-static char __pyx_k__numpy[] = "numpy";
-static char __pyx_k__range[] = "range";
-static char __pyx_k__ravel[] = "ravel";
-static char __pyx_k__uint32[] = "uint32";
-static char __pyx_k__float32[] = "float32";
-static char __pyx_k__float64[] = "float64";
-static char __pyx_k__reshape[] = "reshape";
-static char __pyx_k____main__[] = "__main__";
-static char __pyx_k____test__[] = "__test__";
-static char __pyx_k__data_pts[] = "data_pts";
-static char __pyx_k__leafsize[] = "leafsize";
-static char __pyx_k__TypeError[] = "TypeError";
-static char __pyx_k__query_pts[] = "query_pts";
-static char __pyx_k__sqr_dists[] = "sqr_dists";
-static char __pyx_k__ValueError[] = "ValueError";
-static char __pyx_k__RuntimeError[] = "RuntimeError";
-static char __pyx_k__ascontiguousarray[] = "ascontiguousarray";
-static PyObject *__pyx_kp_s_1;
-static PyObject *__pyx_kp_s_11;
-static PyObject *__pyx_kp_s_13;
-static PyObject *__pyx_kp_u_15;
-static PyObject *__pyx_kp_u_17;
-static PyObject *__pyx_kp_u_19;
-static PyObject *__pyx_kp_u_21;
-static PyObject *__pyx_kp_u_22;
-static PyObject *__pyx_kp_u_25;
-static PyObject *__pyx_n_s_3;
-static PyObject *__pyx_kp_s_5;
-static PyObject *__pyx_kp_s_7;
-static PyObject *__pyx_kp_s_9;
-static PyObject *__pyx_n_s__Inf;
-static PyObject *__pyx_n_s__RuntimeError;
-static PyObject *__pyx_n_s__TypeError;
-static PyObject *__pyx_n_s__ValueError;
-static PyObject *__pyx_n_s____main__;
-static PyObject *__pyx_n_s____test__;
-static PyObject *__pyx_n_s__ascontiguousarray;
-static PyObject *__pyx_n_s__data_pts;
-static PyObject *__pyx_n_s__dtype;
-static PyObject *__pyx_n_s__empty;
-static PyObject *__pyx_n_s__eps;
-static PyObject *__pyx_n_s__finfo;
-static PyObject *__pyx_n_s__float32;
-static PyObject *__pyx_n_s__float64;
-static PyObject *__pyx_n_s__k;
-static PyObject *__pyx_n_s__leafsize;
-static PyObject *__pyx_n_s__max;
-static PyObject *__pyx_n_s__np;
-static PyObject *__pyx_n_s__numpy;
-static PyObject *__pyx_n_s__query_pts;
-static PyObject *__pyx_n_s__range;
-static PyObject *__pyx_n_s__ravel;
-static PyObject *__pyx_n_s__reshape;
-static PyObject *__pyx_n_s__sqr_dists;
-static PyObject *__pyx_n_s__sqrt;
-static PyObject *__pyx_n_s__uint32;
+static PyObject *__pyx_tp_new_8pykdtree_6kdtree_KDTree(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
+static char __pyx_k_B[] = "B";
+static char __pyx_k_H[] = "H";
+static char __pyx_k_I[] = "I";
+static char __pyx_k_L[] = "L";
+static char __pyx_k_O[] = "O";
+static char __pyx_k_Q[] = "Q";
+static char __pyx_k_b[] = "b";
+static char __pyx_k_d[] = "d";
+static char __pyx_k_f[] = "f";
+static char __pyx_k_g[] = "g";
+static char __pyx_k_h[] = "h";
+static char __pyx_k_i[] = "i";
+static char __pyx_k_k[] = "k";
+static char __pyx_k_l[] = "l";
+static char __pyx_k_q[] = "q";
+static char __pyx_k_Zd[] = "Zd";
+static char __pyx_k_Zf[] = "Zf";
+static char __pyx_k_Zg[] = "Zg";
+static char __pyx_k_np[] = "np";
+static char __pyx_k_Inf[] = "Inf";
+static char __pyx_k_eps[] = "eps";
+static char __pyx_k_max[] = "max";
+static char __pyx_k_main[] = "__main__";
+static char __pyx_k_sqrt[] = "sqrt";
+static char __pyx_k_test[] = "__test__";
+static char __pyx_k_dtype[] = "dtype";
+static char __pyx_k_empty[] = "empty";
+static char __pyx_k_finfo[] = "finfo";
+static char __pyx_k_numpy[] = "numpy";
+static char __pyx_k_range[] = "range";
+static char __pyx_k_ravel[] = "ravel";
+static char __pyx_k_import[] = "__import__";
+static char __pyx_k_uint32[] = "uint32";
+static char __pyx_k_float32[] = "float32";
+static char __pyx_k_float64[] = "float64";
+static char __pyx_k_reshape[] = "reshape";
+static char __pyx_k_data_pts[] = "data_pts";
+static char __pyx_k_leafsize[] = "leafsize";
+static char __pyx_k_TypeError[] = "TypeError";
+static char __pyx_k_query_pts[] = "query_pts";
+static char __pyx_k_sqr_dists[] = "sqr_dists";
+static char __pyx_k_ValueError[] = "ValueError";
+static char __pyx_k_RuntimeError[] = "RuntimeError";
+static char __pyx_k_pyx_getbuffer[] = "__pyx_getbuffer";
+static char __pyx_k_ascontiguousarray[] = "ascontiguousarray";
+static char __pyx_k_pyx_releasebuffer[] = "__pyx_releasebuffer";
+static char __pyx_k_distance_upper_bound[] = "distance_upper_bound";
+static char __pyx_k_eps_must_be_non_negative[] = "eps must be non-negative";
+static char __pyx_k_ndarray_is_not_C_contiguous[] = "ndarray is not C contiguous";
+static char __pyx_k_Data_and_query_points_must_have[] = "Data and query points must have same dimensions";
+static char __pyx_k_Type_mismatch_query_points_must[] = "Type mismatch. query points must be of type float32 when data points are of type float32";
+static char __pyx_k_unknown_dtype_code_in_numpy_pxd[] = "unknown dtype code in numpy.pxd (%d)";
+static char __pyx_k_Format_string_allocated_too_shor[] = "Format string allocated too short, see comment in numpy.pxd";
+static char __pyx_k_Non_native_byte_order_not_suppor[] = "Non-native byte order not supported";
+static char __pyx_k_Number_of_neighbours_must_be_gre[] = "Number of neighbours must be greater than zero";
+static char __pyx_k_distance_upper_bound_must_be_non[] = "distance_upper_bound must be non negative";
+static char __pyx_k_leafsize_must_be_greater_than_ze[] = "leafsize must be greater than zero";
+static char __pyx_k_ndarray_is_not_Fortran_contiguou[] = "ndarray is not Fortran contiguous";
+static char __pyx_k_Format_string_allocated_too_shor_2[] = "Format string allocated too short.";
+static PyObject *__pyx_kp_s_Data_and_query_points_must_have;
+static PyObject *__pyx_kp_u_Format_string_allocated_too_shor;
+static PyObject *__pyx_kp_u_Format_string_allocated_too_shor_2;
+static PyObject *__pyx_n_s_Inf;
+static PyObject *__pyx_kp_u_Non_native_byte_order_not_suppor;
+static PyObject *__pyx_kp_s_Number_of_neighbours_must_be_gre;
+static PyObject *__pyx_n_s_RuntimeError;
+static PyObject *__pyx_n_s_TypeError;
+static PyObject *__pyx_kp_s_Type_mismatch_query_points_must;
+static PyObject *__pyx_n_s_ValueError;
+static PyObject *__pyx_n_s_ascontiguousarray;
+static PyObject *__pyx_n_s_data_pts;
+static PyObject *__pyx_n_s_distance_upper_bound;
+static PyObject *__pyx_kp_s_distance_upper_bound_must_be_non;
+static PyObject *__pyx_n_s_dtype;
+static PyObject *__pyx_n_s_empty;
+static PyObject *__pyx_n_s_eps;
+static PyObject *__pyx_kp_s_eps_must_be_non_negative;
+static PyObject *__pyx_n_s_finfo;
+static PyObject *__pyx_n_s_float32;
+static PyObject *__pyx_n_s_float64;
+static PyObject *__pyx_n_s_import;
+static PyObject *__pyx_n_s_k;
+static PyObject *__pyx_n_s_leafsize;
+static PyObject *__pyx_kp_s_leafsize_must_be_greater_than_ze;
+static PyObject *__pyx_n_s_main;
+static PyObject *__pyx_n_s_max;
+static PyObject *__pyx_kp_u_ndarray_is_not_C_contiguous;
+static PyObject *__pyx_kp_u_ndarray_is_not_Fortran_contiguou;
+static PyObject *__pyx_n_s_np;
+static PyObject *__pyx_n_s_numpy;
+static PyObject *__pyx_n_s_pyx_getbuffer;
+static PyObject *__pyx_n_s_pyx_releasebuffer;
+static PyObject *__pyx_n_s_query_pts;
+static PyObject *__pyx_n_s_range;
+static PyObject *__pyx_n_s_ravel;
+static PyObject *__pyx_n_s_reshape;
+static PyObject *__pyx_n_s_sqr_dists;
+static PyObject *__pyx_n_s_sqrt;
+static PyObject *__pyx_n_s_test;
+static PyObject *__pyx_n_s_uint32;
+static PyObject *__pyx_kp_u_unknown_dtype_code_in_numpy_pxd;
 static PyObject *__pyx_int_0;
 static PyObject *__pyx_int_1;
-static PyObject *__pyx_int_15;
-static PyObject *__pyx_k_4;
-static PyObject *__pyx_k_tuple_2;
-static PyObject *__pyx_k_tuple_6;
-static PyObject *__pyx_k_tuple_8;
-static PyObject *__pyx_k_tuple_10;
-static PyObject *__pyx_k_tuple_12;
-static PyObject *__pyx_k_tuple_14;
-static PyObject *__pyx_k_tuple_16;
-static PyObject *__pyx_k_tuple_18;
-static PyObject *__pyx_k_tuple_20;
-static PyObject *__pyx_k_tuple_23;
-static PyObject *__pyx_k_tuple_24;
-static PyObject *__pyx_k_tuple_26;
+static PyObject *__pyx_tuple_;
+static PyObject *__pyx_tuple__2;
+static PyObject *__pyx_tuple__3;
+static PyObject *__pyx_tuple__4;
+static PyObject *__pyx_tuple__5;
+static PyObject *__pyx_tuple__6;
+static PyObject *__pyx_tuple__7;
+static PyObject *__pyx_tuple__8;
+static PyObject *__pyx_tuple__9;
+static PyObject *__pyx_tuple__10;
+static PyObject *__pyx_tuple__11;
+static PyObject *__pyx_tuple__12;
+
+/* "pykdtree/kdtree.pyx":87
+ *     cdef readonly uint32_t leafsize
+ * 
+ *     def __cinit__(KDTree self):             # <<<<<<<<<<<<<<
+ *         self._kdtree_float = NULL
+ *         self._kdtree_double = NULL
+ */
 
 /* Python wrapper */
 static int __pyx_pw_8pykdtree_6kdtree_6KDTree_1__cinit__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
@@ -1205,24 +1422,18 @@ static int __pyx_pw_8pykdtree_6kdtree_6KDTree_1__cinit__(PyObject *__pyx_v_self,
     __Pyx_RaiseArgtupleInvalid("__cinit__", 1, 0, 0, PyTuple_GET_SIZE(__pyx_args)); return -1;}
   if (unlikely(__pyx_kwds) && unlikely(PyDict_Size(__pyx_kwds) > 0) && unlikely(!__Pyx_CheckKeywordStrings(__pyx_kwds, "__cinit__", 0))) return -1;
   __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree___cinit__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self));
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "pykdtree/kdtree.pyx":86
- *     cdef readonly uint32_t leafsize
- * 
- *     def __cinit__(KDTree self):             # <<<<<<<<<<<<<<
- *         self._kdtree_float = NULL
- *         self._kdtree_double = NULL
- */
-
 static int __pyx_pf_8pykdtree_6kdtree_6KDTree___cinit__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self) {
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__cinit__", 0);
 
-  /* "pykdtree/kdtree.pyx":87
+  /* "pykdtree/kdtree.pyx":88
  * 
  *     def __cinit__(KDTree self):
  *         self._kdtree_float = NULL             # <<<<<<<<<<<<<<
@@ -1231,7 +1442,7 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree___cinit__(struct __pyx_obj_8pykdtr
  */
   __pyx_v_self->_kdtree_float = NULL;
 
-  /* "pykdtree/kdtree.pyx":88
+  /* "pykdtree/kdtree.pyx":89
  *     def __cinit__(KDTree self):
  *         self._kdtree_float = NULL
  *         self._kdtree_double = NULL             # <<<<<<<<<<<<<<
@@ -1240,21 +1451,41 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree___cinit__(struct __pyx_obj_8pykdtr
  */
   __pyx_v_self->_kdtree_double = NULL;
 
+  /* "pykdtree/kdtree.pyx":87
+ *     cdef readonly uint32_t leafsize
+ * 
+ *     def __cinit__(KDTree self):             # <<<<<<<<<<<<<<
+ *         self._kdtree_float = NULL
+ *         self._kdtree_double = NULL
+ */
+
+  /* function exit code */
   __pyx_r = 0;
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
+/* "pykdtree/kdtree.pyx":91
+ *         self._kdtree_double = NULL
+ * 
+ *     def __init__(KDTree self, np.ndarray data_pts not None, int leafsize=16):             # <<<<<<<<<<<<<<
+ * 
+ *         # Check arguments
+ */
+
 /* Python wrapper */
 static int __pyx_pw_8pykdtree_6kdtree_6KDTree_3__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static int __pyx_pw_8pykdtree_6kdtree_6KDTree_3__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyArrayObject *__pyx_v_data_pts = 0;
   int __pyx_v_leafsize;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
   int __pyx_r;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__init__ (wrapper)", 0);
   {
-    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__data_pts,&__pyx_n_s__leafsize,0};
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_data_pts,&__pyx_n_s_leafsize,0};
     PyObject* values[2] = {0,0};
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
@@ -1268,16 +1499,16 @@ static int __pyx_pw_8pykdtree_6kdtree_6KDTree_3__init__(PyObject *__pyx_v_self,
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__data_pts)) != 0)) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_data_pts)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
         case  1:
         if (kw_args > 0) {
-          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__leafsize);
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_leafsize);
           if (value) { values[1] = value; kw_args--; }
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -1289,21 +1520,23 @@ static int __pyx_pw_8pykdtree_6kdtree_6KDTree_3__init__(PyObject *__pyx_v_self,
     }
     __pyx_v_data_pts = ((PyArrayObject *)values[0]);
     if (values[1]) {
-      __pyx_v_leafsize = __Pyx_PyInt_AsInt(values[1]); if (unlikely((__pyx_v_leafsize == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+      __pyx_v_leafsize = __Pyx_PyInt_As_int(values[1]); if (unlikely((__pyx_v_leafsize == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
     } else {
       __pyx_v_leafsize = ((int)16);
     }
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__init__", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("__init__", 0, 1, 2, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("pykdtree.kdtree.KDTree.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_data_pts), __pyx_ptype_5numpy_ndarray, 0, "data_pts", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 90; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_data_pts), __pyx_ptype_5numpy_ndarray, 0, "data_pts", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 91; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self), __pyx_v_data_pts, __pyx_v_leafsize);
+
+  /* function exit code */
   goto __pyx_L0;
   __pyx_L1_error:;
   __pyx_r = -1;
@@ -1312,14 +1545,6 @@ static int __pyx_pw_8pykdtree_6kdtree_6KDTree_3__init__(PyObject *__pyx_v_self,
   return __pyx_r;
 }
 
-/* "pykdtree/kdtree.pyx":90
- *         self._kdtree_double = NULL
- * 
- *     def __init__(KDTree self, np.ndarray data_pts not None, int leafsize=16):             # <<<<<<<<<<<<<<
- * 
- *         # Check arguments
- */
-
 static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self, PyArrayObject *__pyx_v_data_pts, int __pyx_v_leafsize) {
   PyArrayObject *__pyx_v_data_array_float = 0;
   PyArrayObject *__pyx_v_data_array_double = 0;
@@ -1354,90 +1579,88 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
   __pyx_pybuffernd_data_array_double.data = NULL;
   __pyx_pybuffernd_data_array_double.rcbuffer = &__pyx_pybuffer_data_array_double;
 
-  /* "pykdtree/kdtree.pyx":93
+  /* "pykdtree/kdtree.pyx":94
  * 
  *         # Check arguments
  *         if leafsize < 1:             # <<<<<<<<<<<<<<
  *             raise ValueError('leafsize must be greater than zero')
  * 
  */
-  __pyx_t_1 = (__pyx_v_leafsize < 1);
+  __pyx_t_1 = ((__pyx_v_leafsize < 1) != 0);
   if (__pyx_t_1) {
 
-    /* "pykdtree/kdtree.pyx":94
+    /* "pykdtree/kdtree.pyx":95
  *         # Check arguments
  *         if leafsize < 1:
  *             raise ValueError('leafsize must be greater than zero')             # <<<<<<<<<<<<<<
  * 
  *         # Get data content
  */
-    __pyx_t_2 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_2), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple_, NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_Raise(__pyx_t_2, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    goto __pyx_L3;
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_L3:;
 
-  /* "pykdtree/kdtree.pyx":100
+  /* "pykdtree/kdtree.pyx":101
  *         cdef np.ndarray[double, ndim=1] data_array_double
  * 
  *         if data_pts.dtype == np.float32:             # <<<<<<<<<<<<<<
  *             data_array_float = np.ascontiguousarray(data_pts.ravel(), dtype=np.float32)
  *             self._data_pts_data_float = <float *>data_array_float.data
  */
-  __pyx_t_2 = PyObject_GetAttr(((PyObject *)__pyx_v_data_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_data_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_2);
-  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_4 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__float32); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_float32); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyObject_RichCompare(__pyx_t_2, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_RichCompare(__pyx_t_2, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 100; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   if (__pyx_t_1) {
 
-    /* "pykdtree/kdtree.pyx":101
+    /* "pykdtree/kdtree.pyx":102
  * 
  *         if data_pts.dtype == np.float32:
  *             data_array_float = np.ascontiguousarray(data_pts.ravel(), dtype=np.float32)             # <<<<<<<<<<<<<<
  *             self._data_pts_data_float = <float *>data_array_float.data
  *             self.data_pts = data_array_float
  */
-    __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_4 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__ascontiguousarray); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_ascontiguousarray); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_v_data_pts), __pyx_n_s__ravel); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_data_pts), __pyx_n_s_ravel); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_2 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_3, __pyx_empty_tuple, NULL); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_2);
     __Pyx_GIVEREF(__pyx_t_2);
     __pyx_t_2 = 0;
-    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(((PyObject *)__pyx_t_2));
-    __pyx_t_5 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = PyDict_New(); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
-    __pyx_t_6 = PyObject_GetAttr(__pyx_t_5, __pyx_n_s__float32); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_float32); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    if (PyDict_SetItem(__pyx_t_2, ((PyObject *)__pyx_n_s__dtype), __pyx_t_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_2, __pyx_n_s_dtype, __pyx_t_6) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    __pyx_t_6 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_3), ((PyObject *)__pyx_t_2)); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_3, __pyx_t_2); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_2)); __pyx_t_2 = 0;
-    if (!(likely(((__pyx_t_6) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_6, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
+    if (!(likely(((__pyx_t_6) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_6, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_7 = ((PyArrayObject *)__pyx_t_6);
     {
       __Pyx_BufFmt_StackElem __pyx_stack[1];
@@ -1453,13 +1676,13 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
         }
       }
       __pyx_pybuffernd_data_array_float.diminfo[0].strides = __pyx_pybuffernd_data_array_float.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_data_array_float.diminfo[0].shape = __pyx_pybuffernd_data_array_float.rcbuffer->pybuffer.shape[0];
-      if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 101; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 102; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_7 = 0;
     __pyx_v_data_array_float = ((PyArrayObject *)__pyx_t_6);
     __pyx_t_6 = 0;
 
-    /* "pykdtree/kdtree.pyx":102
+    /* "pykdtree/kdtree.pyx":103
  *         if data_pts.dtype == np.float32:
  *             data_array_float = np.ascontiguousarray(data_pts.ravel(), dtype=np.float32)
  *             self._data_pts_data_float = <float *>data_array_float.data             # <<<<<<<<<<<<<<
@@ -1468,7 +1691,7 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
  */
     __pyx_v_self->_data_pts_data_float = ((float *)__pyx_v_data_array_float->data);
 
-    /* "pykdtree/kdtree.pyx":103
+    /* "pykdtree/kdtree.pyx":104
  *             data_array_float = np.ascontiguousarray(data_pts.ravel(), dtype=np.float32)
  *             self._data_pts_data_float = <float *>data_array_float.data
  *             self.data_pts = data_array_float             # <<<<<<<<<<<<<<
@@ -1484,43 +1707,43 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
   }
   /*else*/ {
 
-    /* "pykdtree/kdtree.pyx":105
+    /* "pykdtree/kdtree.pyx":106
  *             self.data_pts = data_array_float
  *         else:
  *             data_array_double = np.ascontiguousarray(data_pts.ravel(), dtype=np.float64)             # <<<<<<<<<<<<<<
  *             self._data_pts_data_double = <double *>data_array_double.data
  *             self.data_pts = data_array_double
  */
-    __pyx_t_6 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
-    __pyx_t_2 = PyObject_GetAttr(__pyx_t_6, __pyx_n_s__ascontiguousarray); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_2 = __Pyx_PyObject_GetAttrStr(__pyx_t_6, __pyx_n_s_ascontiguousarray); if (unlikely(!__pyx_t_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_2);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    __pyx_t_6 = PyObject_GetAttr(((PyObject *)__pyx_v_data_pts), __pyx_n_s__ravel); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_data_pts), __pyx_n_s_ravel); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
-    __pyx_t_3 = PyObject_Call(__pyx_t_6, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_empty_tuple, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-    __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = PyTuple_New(1); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_6);
     PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_t_3);
     __Pyx_GIVEREF(__pyx_t_3);
     __pyx_t_3 = 0;
-    __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(((PyObject *)__pyx_t_3));
-    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_5 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__float64); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_float64); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    if (PyDict_SetItem(__pyx_t_3, ((PyObject *)__pyx_n_s__dtype), __pyx_t_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_3, __pyx_n_s_dtype, __pyx_t_5) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    __pyx_t_5 = PyObject_Call(__pyx_t_2, ((PyObject *)__pyx_t_6), ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_2, __pyx_t_6, __pyx_t_3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_6)); __pyx_t_6 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-    if (!(likely(((__pyx_t_5) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_5, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
+    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    if (!(likely(((__pyx_t_5) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_5, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_12 = ((PyArrayObject *)__pyx_t_5);
     {
       __Pyx_BufFmt_StackElem __pyx_stack[1];
@@ -1536,13 +1759,13 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
         }
       }
       __pyx_pybuffernd_data_array_double.diminfo[0].strides = __pyx_pybuffernd_data_array_double.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_data_array_double.diminfo[0].shape = __pyx_pybuffernd_data_array_double.rcbuffer->pybuffer.shape[0];
-      if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 105; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(__pyx_t_8 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 106; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_12 = 0;
     __pyx_v_data_array_double = ((PyArrayObject *)__pyx_t_5);
     __pyx_t_5 = 0;
 
-    /* "pykdtree/kdtree.pyx":106
+    /* "pykdtree/kdtree.pyx":107
  *         else:
  *             data_array_double = np.ascontiguousarray(data_pts.ravel(), dtype=np.float64)
  *             self._data_pts_data_double = <double *>data_array_double.data             # <<<<<<<<<<<<<<
@@ -1551,12 +1774,12 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
  */
     __pyx_v_self->_data_pts_data_double = ((double *)__pyx_v_data_array_double->data);
 
-    /* "pykdtree/kdtree.pyx":107
+    /* "pykdtree/kdtree.pyx":108
  *             data_array_double = np.ascontiguousarray(data_pts.ravel(), dtype=np.float64)
  *             self._data_pts_data_double = <double *>data_array_double.data
  *             self.data_pts = data_array_double             # <<<<<<<<<<<<<<
  * 
- *         # Get tree info
+ *         # scipy interface compatibility
  */
     __Pyx_INCREF(((PyObject *)__pyx_v_data_array_double));
     __Pyx_GIVEREF(((PyObject *)__pyx_v_data_array_double));
@@ -1566,7 +1789,22 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
   }
   __pyx_L4:;
 
-  /* "pykdtree/kdtree.pyx":110
+  /* "pykdtree/kdtree.pyx":111
+ * 
+ *         # scipy interface compatibility
+ *         self.data = self.data_pts             # <<<<<<<<<<<<<<
+ * 
+ *         # Get tree info
+ */
+  __pyx_t_5 = ((PyObject *)__pyx_v_self->data_pts);
+  __Pyx_INCREF(__pyx_t_5);
+  __Pyx_GIVEREF(__pyx_t_5);
+  __Pyx_GOTREF(__pyx_v_self->data);
+  __Pyx_DECREF(((PyObject *)__pyx_v_self->data));
+  __pyx_v_self->data = ((PyArrayObject *)__pyx_t_5);
+  __pyx_t_5 = 0;
+
+  /* "pykdtree/kdtree.pyx":114
  * 
  *         # Get tree info
  *         self.n = <uint32_t>data_pts.shape[0]             # <<<<<<<<<<<<<<
@@ -1575,7 +1813,7 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
  */
   __pyx_v_self->n = ((uint32_t)(__pyx_v_data_pts->dimensions[0]));
 
-  /* "pykdtree/kdtree.pyx":111
+  /* "pykdtree/kdtree.pyx":115
  *         # Get tree info
  *         self.n = <uint32_t>data_pts.shape[0]
  *         self.leafsize = <uint32_t>leafsize             # <<<<<<<<<<<<<<
@@ -1584,17 +1822,17 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
  */
   __pyx_v_self->leafsize = ((uint32_t)__pyx_v_leafsize);
 
-  /* "pykdtree/kdtree.pyx":112
+  /* "pykdtree/kdtree.pyx":116
  *         self.n = <uint32_t>data_pts.shape[0]
  *         self.leafsize = <uint32_t>leafsize
  *         if data_pts.ndim == 1:             # <<<<<<<<<<<<<<
  *             self.ndim = 1
  *         else:
  */
-  __pyx_t_1 = (__pyx_v_data_pts->nd == 1);
+  __pyx_t_1 = ((__pyx_v_data_pts->nd == 1) != 0);
   if (__pyx_t_1) {
 
-    /* "pykdtree/kdtree.pyx":113
+    /* "pykdtree/kdtree.pyx":117
  *         self.leafsize = <uint32_t>leafsize
  *         if data_pts.ndim == 1:
  *             self.ndim = 1             # <<<<<<<<<<<<<<
@@ -1606,7 +1844,7 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
   }
   /*else*/ {
 
-    /* "pykdtree/kdtree.pyx":115
+    /* "pykdtree/kdtree.pyx":119
  *             self.ndim = 1
  *         else:
  *             self.ndim = <int8_t>data_pts.shape[1]             # <<<<<<<<<<<<<<
@@ -1617,28 +1855,28 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
   }
   __pyx_L5:;
 
-  /* "pykdtree/kdtree.pyx":118
+  /* "pykdtree/kdtree.pyx":122
  * 
  *         # Release GIL and construct tree
  *         if data_pts.dtype == np.float32:             # <<<<<<<<<<<<<<
  *             with nogil:
  *                 self._kdtree_float = construct_tree_float(self._data_pts_data_float, self.ndim,
  */
-  __pyx_t_5 = PyObject_GetAttr(((PyObject *)__pyx_v_data_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_data_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_5);
-  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_6 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__float32); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_3, __pyx_n_s_float32); if (unlikely(!__pyx_t_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_6);
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyObject_RichCompare(__pyx_t_5, __pyx_t_6, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_3 = PyObject_RichCompare(__pyx_t_5, __pyx_t_6, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
   __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
-  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 118; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_1 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 122; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   if (__pyx_t_1) {
 
-    /* "pykdtree/kdtree.pyx":119
+    /* "pykdtree/kdtree.pyx":123
  *         # Release GIL and construct tree
  *         if data_pts.dtype == np.float32:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -1647,12 +1885,12 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
  */
     {
         #ifdef WITH_THREAD
-        PyThreadState *_save = NULL;
-        #endif
+        PyThreadState *_save;
         Py_UNBLOCK_THREADS
+        #endif
         /*try:*/ {
 
-          /* "pykdtree/kdtree.pyx":120
+          /* "pykdtree/kdtree.pyx":124
  *         if data_pts.dtype == np.float32:
  *             with nogil:
  *                 self._kdtree_float = construct_tree_float(self._data_pts_data_float, self.ndim,             # <<<<<<<<<<<<<<
@@ -1662,7 +1900,7 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
           __pyx_v_self->_kdtree_float = construct_tree_float(__pyx_v_self->_data_pts_data_float, __pyx_v_self->ndim, __pyx_v_self->n, __pyx_v_self->leafsize);
         }
 
-        /* "pykdtree/kdtree.pyx":119
+        /* "pykdtree/kdtree.pyx":123
  *         # Release GIL and construct tree
  *         if data_pts.dtype == np.float32:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -1670,14 +1908,20 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
  *                                                           self.n, self.leafsize)
  */
         /*finally:*/ {
-          Py_BLOCK_THREADS
+          /*normal exit:*/{
+            #ifdef WITH_THREAD
+            Py_BLOCK_THREADS
+            #endif
+            goto __pyx_L9;
+          }
+          __pyx_L9:;
         }
     }
     goto __pyx_L6;
   }
   /*else*/ {
 
-    /* "pykdtree/kdtree.pyx":123
+    /* "pykdtree/kdtree.pyx":127
  *                                                           self.n, self.leafsize)
  *         else:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -1686,12 +1930,12 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
  */
     {
         #ifdef WITH_THREAD
-        PyThreadState *_save = NULL;
-        #endif
+        PyThreadState *_save;
         Py_UNBLOCK_THREADS
+        #endif
         /*try:*/ {
 
-          /* "pykdtree/kdtree.pyx":124
+          /* "pykdtree/kdtree.pyx":128
  *         else:
  *             with nogil:
  *                 self._kdtree_double = construct_tree_double(self._data_pts_data_double, self.ndim,             # <<<<<<<<<<<<<<
@@ -1701,7 +1945,7 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
           __pyx_v_self->_kdtree_double = construct_tree_double(__pyx_v_self->_data_pts_data_double, __pyx_v_self->ndim, __pyx_v_self->n, __pyx_v_self->leafsize);
         }
 
-        /* "pykdtree/kdtree.pyx":123
+        /* "pykdtree/kdtree.pyx":127
  *                                                           self.n, self.leafsize)
  *         else:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -1709,12 +1953,27 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
  *                                                             self.n, self.leafsize)
  */
         /*finally:*/ {
-          Py_BLOCK_THREADS
+          /*normal exit:*/{
+            #ifdef WITH_THREAD
+            Py_BLOCK_THREADS
+            #endif
+            goto __pyx_L12;
+          }
+          __pyx_L12:;
         }
     }
   }
   __pyx_L6:;
 
+  /* "pykdtree/kdtree.pyx":91
+ *         self._kdtree_double = NULL
+ * 
+ *     def __init__(KDTree self, np.ndarray data_pts not None, int leafsize=16):             # <<<<<<<<<<<<<<
+ * 
+ *         # Check arguments
+ */
+
+  /* function exit code */
   __pyx_r = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
@@ -1741,6 +2000,14 @@ static int __pyx_pf_8pykdtree_6kdtree_6KDTree_2__init__(struct __pyx_obj_8pykdtr
   return __pyx_r;
 }
 
+/* "pykdtree/kdtree.pyx":132
+ * 
+ * 
+ *     def query(KDTree self, np.ndarray query_pts not None, k=1, eps=0,             # <<<<<<<<<<<<<<
+ *               distance_upper_bound=None, sqr_dists=False):
+ *         """Query the kd-tree for nearest neighbors
+ */
+
 /* Python wrapper */
 static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_5query(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
 static char __pyx_doc_8pykdtree_6kdtree_6KDTree_4query[] = "Query the kd-tree for nearest neighbors\n\n        :Parameters:\n        query_pts : numpy array\n            Query points with shape (n , dims)\n        k : int\n            The number of nearest neighbours to return\n        eps : non-negative float\n            Return approximate nearest neighbours; the k-th returned value \n            is guaranteed to be no further than (1 + eps) times the distance \n            to the real [...]
@@ -1750,16 +2017,19 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_5query(PyObject *__pyx_v_sel
   PyObject *__pyx_v_eps = 0;
   PyObject *__pyx_v_distance_upper_bound = 0;
   PyObject *__pyx_v_sqr_dists = 0;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("query (wrapper)", 0);
   {
-    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s__query_pts,&__pyx_n_s__k,&__pyx_n_s__eps,&__pyx_n_s_3,&__pyx_n_s__sqr_dists,0};
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_query_pts,&__pyx_n_s_k,&__pyx_n_s_eps,&__pyx_n_s_distance_upper_bound,&__pyx_n_s_sqr_dists,0};
     PyObject* values[5] = {0,0,0,0,0};
     values[1] = ((PyObject *)__pyx_int_1);
     values[2] = ((PyObject *)__pyx_int_0);
 
-    /* "pykdtree/kdtree.pyx":129
+    /* "pykdtree/kdtree.pyx":133
  * 
  *     def query(KDTree self, np.ndarray query_pts not None, k=1, eps=0,
  *               distance_upper_bound=None, sqr_dists=False):             # <<<<<<<<<<<<<<
@@ -1767,7 +2037,7 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_5query(PyObject *__pyx_v_sel
  * 
  */
     values[3] = ((PyObject *)Py_None);
-    values[4] = __pyx_k_4;
+    values[4] = ((PyObject *)Py_False);
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
       const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
@@ -1783,31 +2053,31 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_5query(PyObject *__pyx_v_sel
       kw_args = PyDict_Size(__pyx_kwds);
       switch (pos_args) {
         case  0:
-        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s__query_pts)) != 0)) kw_args--;
+        if (likely((values[0] = PyDict_GetItem(__pyx_kwds, __pyx_n_s_query_pts)) != 0)) kw_args--;
         else goto __pyx_L5_argtuple_error;
         case  1:
         if (kw_args > 0) {
-          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__k);
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_k);
           if (value) { values[1] = value; kw_args--; }
         }
         case  2:
         if (kw_args > 0) {
-          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__eps);
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_eps);
           if (value) { values[2] = value; kw_args--; }
         }
         case  3:
         if (kw_args > 0) {
-          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_3);
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_distance_upper_bound);
           if (value) { values[3] = value; kw_args--; }
         }
         case  4:
         if (kw_args > 0) {
-          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s__sqr_dists);
+          PyObject* value = PyDict_GetItem(__pyx_kwds, __pyx_n_s_sqr_dists);
           if (value) { values[4] = value; kw_args--; }
         }
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "query") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 128; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "query") < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 132; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
       }
     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
@@ -1828,23 +2098,16 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_5query(PyObject *__pyx_v_sel
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("query", 0, 1, 5, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 128; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
+  __Pyx_RaiseArgtupleInvalid("query", 0, 1, 5, PyTuple_GET_SIZE(__pyx_args)); {__pyx_filename = __pyx_f[0]; __pyx_lineno = 132; __pyx_clineno = __LINE__; goto __pyx_L3_error;}
   __pyx_L3_error:;
   __Pyx_AddTraceback("pykdtree.kdtree.KDTree.query", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return NULL;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_query_pts), __pyx_ptype_5numpy_ndarray, 0, "query_pts", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 128; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_query_pts), __pyx_ptype_5numpy_ndarray, 0, "query_pts", 0))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 132; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree_4query(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self), __pyx_v_query_pts, __pyx_v_k, __pyx_v_eps, __pyx_v_distance_upper_bound, __pyx_v_sqr_dists);
-  goto __pyx_L0;
-  __pyx_L1_error:;
-  __pyx_r = NULL;
-  __pyx_L0:;
-  __Pyx_RefNannyFinishContext();
-  return __pyx_r;
-}
 
-/* "pykdtree/kdtree.pyx":128
+  /* "pykdtree/kdtree.pyx":132
  * 
  * 
  *     def query(KDTree self, np.ndarray query_pts not None, k=1, eps=0,             # <<<<<<<<<<<<<<
@@ -1852,6 +2115,15 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_5query(PyObject *__pyx_v_sel
  *         """Query the kd-tree for nearest neighbors
  */
 
+  /* function exit code */
+  goto __pyx_L0;
+  __pyx_L1_error:;
+  __pyx_r = NULL;
+  __pyx_L0:;
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self, PyArrayObject *__pyx_v_query_pts, PyObject *__pyx_v_k, PyObject *__pyx_v_eps, PyObject *__pyx_v_distance_upper_bound, PyObject *__pyx_v_sqr_dists) {
   long __pyx_v_q_ndim;
   uint32_t __pyx_v_num_qpoints;
@@ -1888,9 +2160,9 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   __Pyx_RefNannyDeclarations
   PyObject *__pyx_t_1 = NULL;
   int __pyx_t_2;
-  PyObject *__pyx_t_3 = NULL;
+  int __pyx_t_3;
   PyObject *__pyx_t_4 = NULL;
-  int __pyx_t_5;
+  PyObject *__pyx_t_5 = NULL;
   int __pyx_t_6;
   uint32_t __pyx_t_7;
   PyObject *__pyx_t_8 = NULL;
@@ -1931,61 +2203,59 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   __pyx_pybuffernd_query_array_double.data = NULL;
   __pyx_pybuffernd_query_array_double.rcbuffer = &__pyx_pybuffer_query_array_double;
 
-  /* "pykdtree/kdtree.pyx":150
+  /* "pykdtree/kdtree.pyx":154
  * 
  *         # Check arguments
  *         if k < 1:             # <<<<<<<<<<<<<<
  *             raise ValueError('Number of neighbours must be greater than zero')
  *         elif eps < 0:
  */
-  __pyx_t_1 = PyObject_RichCompare(__pyx_v_k, __pyx_int_1, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 150; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_RichCompare(__pyx_v_k, __pyx_int_1, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 154; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 154; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_2) {
 
-    /* "pykdtree/kdtree.pyx":151
+    /* "pykdtree/kdtree.pyx":155
  *         # Check arguments
  *         if k < 1:
  *             raise ValueError('Number of neighbours must be greater than zero')             # <<<<<<<<<<<<<<
  *         elif eps < 0:
  *             raise ValueError('eps must be non-negative')
  */
-    __pyx_t_1 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_6), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 151; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__2, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_Raise(__pyx_t_1, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 151; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    goto __pyx_L3;
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
 
-  /* "pykdtree/kdtree.pyx":152
+  /* "pykdtree/kdtree.pyx":156
  *         if k < 1:
  *             raise ValueError('Number of neighbours must be greater than zero')
  *         elif eps < 0:             # <<<<<<<<<<<<<<
  *             raise ValueError('eps must be non-negative')
  *         elif distance_upper_bound is not None:
  */
-  __pyx_t_1 = PyObject_RichCompare(__pyx_v_eps, __pyx_int_0, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 152; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 152; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = PyObject_RichCompare(__pyx_v_eps, __pyx_int_0, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   if (__pyx_t_2) {
 
-    /* "pykdtree/kdtree.pyx":153
+    /* "pykdtree/kdtree.pyx":157
  *             raise ValueError('Number of neighbours must be greater than zero')
  *         elif eps < 0:
  *             raise ValueError('eps must be non-negative')             # <<<<<<<<<<<<<<
  *         elif distance_upper_bound is not None:
  *             if distance_upper_bound < 0:
  */
-    __pyx_t_1 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_8), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__3, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_Raise(__pyx_t_1, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    goto __pyx_L3;
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
 
-  /* "pykdtree/kdtree.pyx":154
+  /* "pykdtree/kdtree.pyx":158
  *         elif eps < 0:
  *             raise ValueError('eps must be non-negative')
  *         elif distance_upper_bound is not None:             # <<<<<<<<<<<<<<
@@ -1993,50 +2263,49 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  *                 raise ValueError('distance_upper_bound must be non negative')
  */
   __pyx_t_2 = (__pyx_v_distance_upper_bound != Py_None);
-  if (__pyx_t_2) {
+  __pyx_t_3 = (__pyx_t_2 != 0);
+  if (__pyx_t_3) {
 
-    /* "pykdtree/kdtree.pyx":155
+    /* "pykdtree/kdtree.pyx":159
  *             raise ValueError('eps must be non-negative')
  *         elif distance_upper_bound is not None:
  *             if distance_upper_bound < 0:             # <<<<<<<<<<<<<<
  *                 raise ValueError('distance_upper_bound must be non negative')
  * 
  */
-    __pyx_t_1 = PyObject_RichCompare(__pyx_v_distance_upper_bound, __pyx_int_0, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyObject_RichCompare(__pyx_v_distance_upper_bound, __pyx_int_0, Py_LT); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 159; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    if (__pyx_t_2) {
+    if (__pyx_t_3) {
 
-      /* "pykdtree/kdtree.pyx":156
+      /* "pykdtree/kdtree.pyx":160
  *         elif distance_upper_bound is not None:
  *             if distance_upper_bound < 0:
  *                 raise ValueError('distance_upper_bound must be non negative')             # <<<<<<<<<<<<<<
  * 
  *         # Check dimensions
  */
-      __pyx_t_1 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_10), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__4, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __Pyx_Raise(__pyx_t_1, 0, 0, 0);
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      goto __pyx_L4;
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
-    __pyx_L4:;
     goto __pyx_L3;
   }
   __pyx_L3:;
 
-  /* "pykdtree/kdtree.pyx":159
+  /* "pykdtree/kdtree.pyx":163
  * 
  *         # Check dimensions
  *         if query_pts.ndim == 1:             # <<<<<<<<<<<<<<
  *             q_ndim = 1
  *         else:
  */
-  __pyx_t_2 = (__pyx_v_query_pts->nd == 1);
-  if (__pyx_t_2) {
+  __pyx_t_3 = ((__pyx_v_query_pts->nd == 1) != 0);
+  if (__pyx_t_3) {
 
-    /* "pykdtree/kdtree.pyx":160
+    /* "pykdtree/kdtree.pyx":164
  *         # Check dimensions
  *         if query_pts.ndim == 1:
  *             q_ndim = 1             # <<<<<<<<<<<<<<
@@ -2048,7 +2317,7 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   }
   /*else*/ {
 
-    /* "pykdtree/kdtree.pyx":162
+    /* "pykdtree/kdtree.pyx":166
  *             q_ndim = 1
  *         else:
  *             q_ndim = query_pts.shape[1]             # <<<<<<<<<<<<<<
@@ -2059,87 +2328,83 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   }
   __pyx_L5:;
 
-  /* "pykdtree/kdtree.pyx":164
+  /* "pykdtree/kdtree.pyx":168
  *             q_ndim = query_pts.shape[1]
  * 
  *         if self.ndim != q_ndim:             # <<<<<<<<<<<<<<
  *             raise ValueError('Data and query points must have same dimensions')
  * 
  */
-  __pyx_t_2 = (__pyx_v_self->ndim != __pyx_v_q_ndim);
-  if (__pyx_t_2) {
+  __pyx_t_3 = ((__pyx_v_self->ndim != __pyx_v_q_ndim) != 0);
+  if (__pyx_t_3) {
 
-    /* "pykdtree/kdtree.pyx":165
+    /* "pykdtree/kdtree.pyx":169
  * 
  *         if self.ndim != q_ndim:
  *             raise ValueError('Data and query points must have same dimensions')             # <<<<<<<<<<<<<<
  * 
  *         if self.data_pts.dtype == np.float32 and query_pts.dtype != np.float32:
  */
-    __pyx_t_1 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_12), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__5, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_Raise(__pyx_t_1, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    goto __pyx_L6;
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_L6:;
 
-  /* "pykdtree/kdtree.pyx":167
+  /* "pykdtree/kdtree.pyx":171
  *             raise ValueError('Data and query points must have same dimensions')
  * 
  *         if self.data_pts.dtype == np.float32 and query_pts.dtype != np.float32:             # <<<<<<<<<<<<<<
  *             raise TypeError('Type mismatch. query points must be of type float32 when data points are of type float32')
  * 
  */
-  __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_4 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__float32); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyObject_RichCompare(__pyx_t_1, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_float32); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __pyx_t_4 = PyObject_RichCompare(__pyx_t_1, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  if (__pyx_t_2) {
-    __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_v_query_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (__pyx_t_3) {
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_query_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_1 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__float32); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_float32); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_RichCompare(__pyx_t_4, __pyx_t_1, Py_NE); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyObject_RichCompare(__pyx_t_3, __pyx_t_1, Py_NE); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_6 = __pyx_t_5;
-  } else {
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 171; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     __pyx_t_6 = __pyx_t_2;
+  } else {
+    __pyx_t_6 = __pyx_t_3;
   }
   if (__pyx_t_6) {
 
-    /* "pykdtree/kdtree.pyx":168
+    /* "pykdtree/kdtree.pyx":172
  * 
  *         if self.data_pts.dtype == np.float32 and query_pts.dtype != np.float32:
  *             raise TypeError('Type mismatch. query points must be of type float32 when data points are of type float32')             # <<<<<<<<<<<<<<
  * 
  *         # Get query info
  */
-    __pyx_t_4 = PyObject_Call(__pyx_builtin_TypeError, ((PyObject *)__pyx_k_tuple_14), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_4);
-    __Pyx_Raise(__pyx_t_4, 0, 0, 0);
-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    goto __pyx_L7;
+    __pyx_t_5 = __Pyx_PyObject_Call(__pyx_builtin_TypeError, __pyx_tuple__6, NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __Pyx_Raise(__pyx_t_5, 0, 0, 0);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    {__pyx_filename = __pyx_f[0]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_L7:;
 
-  /* "pykdtree/kdtree.pyx":171
+  /* "pykdtree/kdtree.pyx":175
  * 
  *         # Get query info
  *         cdef uint32_t num_qpoints = query_pts.shape[0]             # <<<<<<<<<<<<<<
@@ -2148,59 +2413,59 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  */
   __pyx_v_num_qpoints = (__pyx_v_query_pts->dimensions[0]);
 
-  /* "pykdtree/kdtree.pyx":172
+  /* "pykdtree/kdtree.pyx":176
  *         # Get query info
  *         cdef uint32_t num_qpoints = query_pts.shape[0]
  *         cdef uint32_t num_n = k             # <<<<<<<<<<<<<<
  *         cdef np.ndarray[uint32_t, ndim=1] closest_idxs = np.empty(num_qpoints * k, dtype=np.uint32)
  *         cdef np.ndarray[float, ndim=1] closest_dists_float
  */
-  __pyx_t_7 = __Pyx_PyInt_from_py_uint32_t(__pyx_v_k); if (unlikely((__pyx_t_7 == (uint32_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_7 = __Pyx_PyInt_As_uint32_t(__pyx_v_k); if (unlikely((__pyx_t_7 == (uint32_t)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 176; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_num_n = __pyx_t_7;
 
-  /* "pykdtree/kdtree.pyx":173
+  /* "pykdtree/kdtree.pyx":177
  *         cdef uint32_t num_qpoints = query_pts.shape[0]
  *         cdef uint32_t num_n = k
  *         cdef np.ndarray[uint32_t, ndim=1] closest_idxs = np.empty(num_qpoints * k, dtype=np.uint32)             # <<<<<<<<<<<<<<
  *         cdef np.ndarray[float, ndim=1] closest_dists_float
  *         cdef np.ndarray[double, ndim=1] closest_dists_double
  */
-  __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_4);
-  __pyx_t_1 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__empty); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_empty); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-  __pyx_t_4 = __Pyx_PyInt_to_py_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_t_5 = __Pyx_PyInt_From_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __pyx_t_4 = PyNumber_Multiply(__pyx_t_5, __pyx_v_k); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  __pyx_t_3 = PyNumber_Multiply(__pyx_t_4, __pyx_v_k); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-  __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4);
+  __Pyx_GIVEREF(__pyx_t_4);
+  __pyx_t_4 = 0;
+  __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3);
-  __Pyx_GIVEREF(__pyx_t_3);
-  __pyx_t_3 = 0;
-  __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(((PyObject *)__pyx_t_3));
-  __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_8 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_8);
-  __pyx_t_9 = PyObject_GetAttr(__pyx_t_8, __pyx_n_s__uint32); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_t_8, __pyx_n_s_uint32); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_9);
   __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-  if (PyDict_SetItem(__pyx_t_3, ((PyObject *)__pyx_n_s__dtype), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_dtype, __pyx_t_9) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-  __pyx_t_9 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_4), ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_5, __pyx_t_4); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_9);
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
-  __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-  if (!(likely(((__pyx_t_9) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_9, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  if (!(likely(((__pyx_t_9) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_9, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_t_10 = ((PyArrayObject *)__pyx_t_9);
   {
     __Pyx_BufFmt_StackElem __pyx_stack[1];
     if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_closest_idxs.rcbuffer->pybuffer, (PyObject*)__pyx_t_10, &__Pyx_TypeInfo_nn_uint32_t, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) {
       __pyx_v_closest_idxs = ((PyArrayObject *)Py_None); __Pyx_INCREF(Py_None); __pyx_pybuffernd_closest_idxs.rcbuffer->pybuffer.buf = NULL;
-      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 173; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      {__pyx_filename = __pyx_f[0]; __pyx_lineno = 177; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     } else {__pyx_pybuffernd_closest_idxs.diminfo[0].strides = __pyx_pybuffernd_closest_idxs.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_closest_idxs.diminfo[0].shape = __pyx_pybuffernd_closest_idxs.rcbuffer->pybuffer.shape[0];
     }
   }
@@ -2208,7 +2473,7 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   __pyx_v_closest_idxs = ((PyArrayObject *)__pyx_t_9);
   __pyx_t_9 = 0;
 
-  /* "pykdtree/kdtree.pyx":179
+  /* "pykdtree/kdtree.pyx":183
  * 
  *         # Set up return arrays
  *         cdef uint32_t *closest_idxs_data = <uint32_t *>closest_idxs.data             # <<<<<<<<<<<<<<
@@ -2217,81 +2482,81 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  */
   __pyx_v_closest_idxs_data = ((uint32_t *)__pyx_v_closest_idxs->data);
 
-  /* "pykdtree/kdtree.pyx":189
+  /* "pykdtree/kdtree.pyx":193
  *         cdef double *query_array_data_double
  * 
  *         if query_pts.dtype == np.float32 and self.data_pts.dtype == np.float32:             # <<<<<<<<<<<<<<
  *             closest_dists_float = np.empty(num_qpoints * k, dtype=np.float32)
  *             closest_dists = closest_dists_float
  */
-  __pyx_t_9 = PyObject_GetAttr(((PyObject *)__pyx_v_query_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_query_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_9);
-  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_4 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__float32); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_4);
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyObject_RichCompare(__pyx_t_9, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_float32); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_5);
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __pyx_t_4 = PyObject_RichCompare(__pyx_t_9, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+  __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   if (__pyx_t_6) {
-    __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_9 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__float32); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_float32); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyObject_RichCompare(__pyx_t_4, __pyx_t_9, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyObject_RichCompare(__pyx_t_3, __pyx_t_9, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 189; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_5 = __pyx_t_2;
+    __pyx_t_3 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_3 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_2 = __pyx_t_3;
   } else {
-    __pyx_t_5 = __pyx_t_6;
+    __pyx_t_2 = __pyx_t_6;
   }
-  if (__pyx_t_5) {
+  if (__pyx_t_2) {
 
-    /* "pykdtree/kdtree.pyx":190
+    /* "pykdtree/kdtree.pyx":194
  * 
  *         if query_pts.dtype == np.float32 and self.data_pts.dtype == np.float32:
  *             closest_dists_float = np.empty(num_qpoints * k, dtype=np.float32)             # <<<<<<<<<<<<<<
  *             closest_dists = closest_dists_float
  *             closest_dists_data_float = <float *>closest_dists_float.data
  */
-    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_9 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__empty); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_empty); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = __Pyx_PyInt_to_py_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = __Pyx_PyInt_From_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_4 = PyNumber_Multiply(__pyx_t_5, __pyx_v_k); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_3 = PyNumber_Multiply(__pyx_t_4, __pyx_v_k); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __pyx_t_5 = PyTuple_New(1); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_4);
+    __Pyx_GIVEREF(__pyx_t_4);
+    __pyx_t_4 = 0;
+    __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3);
-    __Pyx_GIVEREF(__pyx_t_3);
-    __pyx_t_3 = 0;
-    __pyx_t_3 = PyDict_New(); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(((PyObject *)__pyx_t_3));
-    __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_8 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__float32); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_float32); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    if (PyDict_SetItem(__pyx_t_3, ((PyObject *)__pyx_n_s__dtype), __pyx_t_8) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_4, __pyx_n_s_dtype, __pyx_t_8) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-    __pyx_t_8 = PyObject_Call(__pyx_t_9, ((PyObject *)__pyx_t_4), ((PyObject *)__pyx_t_3)); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = __Pyx_PyObject_Call(__pyx_t_9, __pyx_t_5, __pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-    if (!(likely(((__pyx_t_8) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_8, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (!(likely(((__pyx_t_8) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_8, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_11 = ((PyArrayObject *)__pyx_t_8);
     {
       __Pyx_BufFmt_StackElem __pyx_stack[1];
@@ -2307,13 +2572,13 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
         }
       }
       __pyx_pybuffernd_closest_dists_float.diminfo[0].strides = __pyx_pybuffernd_closest_dists_float.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_closest_dists_float.diminfo[0].shape = __pyx_pybuffernd_closest_dists_float.rcbuffer->pybuffer.shape[0];
-      if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 190; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 194; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_11 = 0;
     __pyx_v_closest_dists_float = ((PyArrayObject *)__pyx_t_8);
     __pyx_t_8 = 0;
 
-    /* "pykdtree/kdtree.pyx":191
+    /* "pykdtree/kdtree.pyx":195
  *         if query_pts.dtype == np.float32 and self.data_pts.dtype == np.float32:
  *             closest_dists_float = np.empty(num_qpoints * k, dtype=np.float32)
  *             closest_dists = closest_dists_float             # <<<<<<<<<<<<<<
@@ -2323,7 +2588,7 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
     __Pyx_INCREF(((PyObject *)__pyx_v_closest_dists_float));
     __pyx_v_closest_dists = ((PyObject *)__pyx_v_closest_dists_float);
 
-    /* "pykdtree/kdtree.pyx":192
+    /* "pykdtree/kdtree.pyx":196
  *             closest_dists_float = np.empty(num_qpoints * k, dtype=np.float32)
  *             closest_dists = closest_dists_float
  *             closest_dists_data_float = <float *>closest_dists_float.data             # <<<<<<<<<<<<<<
@@ -2332,43 +2597,43 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  */
     __pyx_v_closest_dists_data_float = ((float *)__pyx_v_closest_dists_float->data);
 
-    /* "pykdtree/kdtree.pyx":193
+    /* "pykdtree/kdtree.pyx":197
  *             closest_dists = closest_dists_float
  *             closest_dists_data_float = <float *>closest_dists_float.data
  *             query_array_float = np.ascontiguousarray(query_pts.ravel(), dtype=np.float32)             # <<<<<<<<<<<<<<
  *             query_array_data_float = <float *>query_array_float.data
  *         else:
  */
-    __pyx_t_8 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
-    __pyx_t_3 = PyObject_GetAttr(__pyx_t_8, __pyx_n_s__ascontiguousarray); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_8, __pyx_n_s_ascontiguousarray); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-    __pyx_t_8 = PyObject_GetAttr(((PyObject *)__pyx_v_query_pts), __pyx_n_s__ravel); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_query_pts), __pyx_n_s_ravel); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
-    __pyx_t_4 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_5 = __Pyx_PyObject_Call(__pyx_t_8, __pyx_empty_tuple, NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyTuple_New(1); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
-    PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_4);
-    __Pyx_GIVEREF(__pyx_t_4);
-    __pyx_t_4 = 0;
-    __pyx_t_4 = PyDict_New(); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(((PyObject *)__pyx_t_4));
-    __pyx_t_9 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    PyTuple_SET_ITEM(__pyx_t_8, 0, __pyx_t_5);
+    __Pyx_GIVEREF(__pyx_t_5);
+    __pyx_t_5 = 0;
+    __pyx_t_5 = PyDict_New(); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_9 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __pyx_t_1 = PyObject_GetAttr(__pyx_t_9, __pyx_n_s__float32); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_9, __pyx_n_s_float32); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    if (PyDict_SetItem(__pyx_t_4, ((PyObject *)__pyx_n_s__dtype), __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (PyDict_SetItem(__pyx_t_5, __pyx_n_s_dtype, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_1 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_8), ((PyObject *)__pyx_t_4)); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_8, __pyx_t_5); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
-    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    if (!(likely(((__pyx_t_1) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_1, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_16 = ((PyArrayObject *)__pyx_t_1);
     {
       __Pyx_BufFmt_StackElem __pyx_stack[1];
@@ -2384,13 +2649,13 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
         }
       }
       __pyx_pybuffernd_query_array_float.diminfo[0].strides = __pyx_pybuffernd_query_array_float.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_query_array_float.diminfo[0].shape = __pyx_pybuffernd_query_array_float.rcbuffer->pybuffer.shape[0];
-      if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 193; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 197; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_16 = 0;
     __pyx_v_query_array_float = ((PyArrayObject *)__pyx_t_1);
     __pyx_t_1 = 0;
 
-    /* "pykdtree/kdtree.pyx":194
+    /* "pykdtree/kdtree.pyx":198
  *             closest_dists_data_float = <float *>closest_dists_float.data
  *             query_array_float = np.ascontiguousarray(query_pts.ravel(), dtype=np.float32)
  *             query_array_data_float = <float *>query_array_float.data             # <<<<<<<<<<<<<<
@@ -2402,43 +2667,43 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   }
   /*else*/ {
 
-    /* "pykdtree/kdtree.pyx":196
+    /* "pykdtree/kdtree.pyx":200
  *             query_array_data_float = <float *>query_array_float.data
  *         else:
  *             closest_dists_double = np.empty(num_qpoints * k, dtype=np.float64)             # <<<<<<<<<<<<<<
  *             closest_dists = closest_dists_double
  *             closest_dists_data_double = <double *>closest_dists_double.data
  */
-    __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_4 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__empty); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_5 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_empty); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_1 = __Pyx_PyInt_to_py_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyInt_From_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_8 = PyNumber_Multiply(__pyx_t_1, __pyx_v_k); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyNumber_Multiply(__pyx_t_1, __pyx_v_k); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_8);
     __Pyx_GIVEREF(__pyx_t_8);
     __pyx_t_8 = 0;
-    __pyx_t_8 = PyDict_New(); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(((PyObject *)__pyx_t_8));
-    __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_9 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__float64); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = PyDict_New(); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_8);
+    __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_float64); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    if (PyDict_SetItem(__pyx_t_8, ((PyObject *)__pyx_n_s__dtype), __pyx_t_9) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (PyDict_SetItem(__pyx_t_8, __pyx_n_s_dtype, __pyx_t_9) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    __pyx_t_9 = PyObject_Call(__pyx_t_4, ((PyObject *)__pyx_t_1), ((PyObject *)__pyx_t_8)); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_Call(__pyx_t_5, __pyx_t_1, __pyx_t_8); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_8)); __pyx_t_8 = 0;
-    if (!(likely(((__pyx_t_9) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_9, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
+    if (!(likely(((__pyx_t_9) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_9, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_t_17 = ((PyArrayObject *)__pyx_t_9);
     {
       __Pyx_BufFmt_StackElem __pyx_stack[1];
@@ -2454,13 +2719,13 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
         }
       }
       __pyx_pybuffernd_closest_dists_double.diminfo[0].strides = __pyx_pybuffernd_closest_dists_double.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_closest_dists_double.diminfo[0].shape = __pyx_pybuffernd_closest_dists_double.rcbuffer->pybuffer.shape[0];
-      if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 196; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 200; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_17 = 0;
     __pyx_v_closest_dists_double = ((PyArrayObject *)__pyx_t_9);
     __pyx_t_9 = 0;
 
-    /* "pykdtree/kdtree.pyx":197
+    /* "pykdtree/kdtree.pyx":201
  *         else:
  *             closest_dists_double = np.empty(num_qpoints * k, dtype=np.float64)
  *             closest_dists = closest_dists_double             # <<<<<<<<<<<<<<
@@ -2470,7 +2735,7 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
     __Pyx_INCREF(((PyObject *)__pyx_v_closest_dists_double));
     __pyx_v_closest_dists = ((PyObject *)__pyx_v_closest_dists_double);
 
-    /* "pykdtree/kdtree.pyx":198
+    /* "pykdtree/kdtree.pyx":202
  *             closest_dists_double = np.empty(num_qpoints * k, dtype=np.float64)
  *             closest_dists = closest_dists_double
  *             closest_dists_data_double = <double *>closest_dists_double.data             # <<<<<<<<<<<<<<
@@ -2479,44 +2744,44 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  */
     __pyx_v_closest_dists_data_double = ((double *)__pyx_v_closest_dists_double->data);
 
-    /* "pykdtree/kdtree.pyx":199
+    /* "pykdtree/kdtree.pyx":203
  *             closest_dists = closest_dists_double
  *             closest_dists_data_double = <double *>closest_dists_double.data
  *             query_array_double = np.ascontiguousarray(query_pts.ravel(), dtype=np.float64)             # <<<<<<<<<<<<<<
  *             query_array_data_double = <double *>query_array_double.data
  * 
  */
-    __pyx_t_9 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __pyx_t_8 = PyObject_GetAttr(__pyx_t_9, __pyx_n_s__ascontiguousarray); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_8 = __Pyx_PyObject_GetAttrStr(__pyx_t_9, __pyx_n_s_ascontiguousarray); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_8);
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    __pyx_t_9 = PyObject_GetAttr(((PyObject *)__pyx_v_query_pts), __pyx_n_s__ravel); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_query_pts), __pyx_n_s_ravel); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __pyx_t_1 = PyObject_Call(__pyx_t_9, ((PyObject *)__pyx_empty_tuple), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_9, __pyx_empty_tuple, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    __pyx_t_9 = PyTuple_New(1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = PyTuple_New(1); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
     PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_1);
     __Pyx_GIVEREF(__pyx_t_1);
     __pyx_t_1 = 0;
-    __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-    __pyx_t_4 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_1);
+    __pyx_t_5 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_5);
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_5, __pyx_n_s_float64); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_3 = PyObject_GetAttr(__pyx_t_4, __pyx_n_s__float64); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+    if (PyDict_SetItem(__pyx_t_1, __pyx_n_s_dtype, __pyx_t_4) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    if (PyDict_SetItem(__pyx_t_1, ((PyObject *)__pyx_n_s__dtype), __pyx_t_3) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_3 = PyObject_Call(__pyx_t_8, ((PyObject *)__pyx_t_9), ((PyObject *)__pyx_t_1)); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_8, __pyx_t_9, __pyx_t_1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-    if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __pyx_t_18 = ((PyArrayObject *)__pyx_t_3);
+    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    if (!(likely(((__pyx_t_4) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_4, __pyx_ptype_5numpy_ndarray))))) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_18 = ((PyArrayObject *)__pyx_t_4);
     {
       __Pyx_BufFmt_StackElem __pyx_stack[1];
       __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_query_array_double.rcbuffer->pybuffer);
@@ -2531,13 +2796,13 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
         }
       }
       __pyx_pybuffernd_query_array_double.diminfo[0].strides = __pyx_pybuffernd_query_array_double.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_query_array_double.diminfo[0].shape = __pyx_pybuffernd_query_array_double.rcbuffer->pybuffer.shape[0];
-      if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 199; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      if (unlikely(__pyx_t_12 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 203; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     }
     __pyx_t_18 = 0;
-    __pyx_v_query_array_double = ((PyArrayObject *)__pyx_t_3);
-    __pyx_t_3 = 0;
+    __pyx_v_query_array_double = ((PyArrayObject *)__pyx_t_4);
+    __pyx_t_4 = 0;
 
-    /* "pykdtree/kdtree.pyx":200
+    /* "pykdtree/kdtree.pyx":204
  *             closest_dists_data_double = <double *>closest_dists_double.data
  *             query_array_double = np.ascontiguousarray(query_pts.ravel(), dtype=np.float64)
  *             query_array_data_double = <double *>query_array_double.data             # <<<<<<<<<<<<<<
@@ -2548,103 +2813,104 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   }
   __pyx_L8:;
 
-  /* "pykdtree/kdtree.pyx":206
+  /* "pykdtree/kdtree.pyx":210
  *         cdef float dub_float
  *         cdef double dub_double
  *         if distance_upper_bound is None:             # <<<<<<<<<<<<<<
  *             if self.data_pts.dtype == np.float32:
  *                 dub_float = <float>np.finfo(np.float32).max
  */
-  __pyx_t_5 = (__pyx_v_distance_upper_bound == Py_None);
-  if (__pyx_t_5) {
+  __pyx_t_2 = (__pyx_v_distance_upper_bound == Py_None);
+  __pyx_t_6 = (__pyx_t_2 != 0);
+  if (__pyx_t_6) {
 
-    /* "pykdtree/kdtree.pyx":207
+    /* "pykdtree/kdtree.pyx":211
  *         cdef double dub_double
  *         if distance_upper_bound is None:
  *             if self.data_pts.dtype == np.float32:             # <<<<<<<<<<<<<<
  *                 dub_float = <float>np.finfo(np.float32).max
  *             else:
  */
-    __pyx_t_3 = PyObject_GetAttr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_9 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__float32); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_float32); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_1 = PyObject_RichCompare(__pyx_t_3, __pyx_t_9, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+    __pyx_t_1 = PyObject_RichCompare(__pyx_t_4, __pyx_t_9, Py_EQ); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 207; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 211; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    if (__pyx_t_5) {
+    if (__pyx_t_6) {
 
-      /* "pykdtree/kdtree.pyx":208
+      /* "pykdtree/kdtree.pyx":212
  *         if distance_upper_bound is None:
  *             if self.data_pts.dtype == np.float32:
  *                 dub_float = <float>np.finfo(np.float32).max             # <<<<<<<<<<<<<<
  *             else:
  *                 dub_double = <double>np.finfo(np.float64).max
  */
-      __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_9 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__finfo); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_finfo); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_9);
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-      __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_3 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__float32); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_float32); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_3);
-      __Pyx_GIVEREF(__pyx_t_3);
-      __pyx_t_3 = 0;
-      __pyx_t_3 = PyObject_Call(__pyx_t_9, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
+      PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_4);
+      __Pyx_GIVEREF(__pyx_t_4);
+      __pyx_t_4 = 0;
+      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_t_9, __pyx_t_1, NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-      __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__max); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_max); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_19 = __pyx_PyFloat_AsFloat(__pyx_t_1); if (unlikely((__pyx_t_19 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 208; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_19 = __pyx_PyFloat_AsFloat(__pyx_t_1); if (unlikely((__pyx_t_19 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       __pyx_v_dub_float = ((float)__pyx_t_19);
       goto __pyx_L10;
     }
     /*else*/ {
 
-      /* "pykdtree/kdtree.pyx":210
+      /* "pykdtree/kdtree.pyx":214
  *                 dub_float = <float>np.finfo(np.float32).max
  *             else:
  *                 dub_double = <double>np.finfo(np.float64).max             # <<<<<<<<<<<<<<
  *         else:
  *             if self.data_pts.dtype == np.float32:
  */
-      __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_3 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__finfo); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_finfo); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-      __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_9 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__float64); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_float64); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_9);
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_t_9);
       __Pyx_GIVEREF(__pyx_t_9);
       __pyx_t_9 = 0;
-      __pyx_t_9 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_1, NULL); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_9);
-      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-      __pyx_t_1 = PyObject_GetAttr(__pyx_t_9, __pyx_n_s__max); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+      __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_9, __pyx_n_s_max); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
       __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-      __pyx_t_20 = __pyx_PyFloat_AsDouble(__pyx_t_1); if (unlikely((__pyx_t_20 == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 210; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_20 = __pyx_PyFloat_AsDouble(__pyx_t_1); if (unlikely((__pyx_t_20 == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 214; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
       __pyx_v_dub_double = ((double)__pyx_t_20);
     }
@@ -2653,53 +2919,53 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   }
   /*else*/ {
 
-    /* "pykdtree/kdtree.pyx":212
+    /* "pykdtree/kdtree.pyx":216
  *                 dub_double = <double>np.finfo(np.float64).max
  *         else:
  *             if self.data_pts.dtype == np.float32:             # <<<<<<<<<<<<<<
  *                 dub_float = <float>(distance_upper_bound * distance_upper_bound)
  *             else:
  */
-    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_9 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __pyx_t_3 = PyObject_GetAttr(__pyx_t_9, __pyx_n_s__float32); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_9, __pyx_n_s_float32); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    __pyx_t_9 = PyObject_RichCompare(__pyx_t_1, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_9); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = PyObject_RichCompare(__pyx_t_1, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_9); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_9); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 212; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_9); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 216; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-    if (__pyx_t_5) {
+    if (__pyx_t_6) {
 
-      /* "pykdtree/kdtree.pyx":213
+      /* "pykdtree/kdtree.pyx":217
  *         else:
  *             if self.data_pts.dtype == np.float32:
  *                 dub_float = <float>(distance_upper_bound * distance_upper_bound)             # <<<<<<<<<<<<<<
  *             else:
  *                 dub_double = <double>(distance_upper_bound * distance_upper_bound)
  */
-      __pyx_t_9 = PyNumber_Multiply(__pyx_v_distance_upper_bound, __pyx_v_distance_upper_bound); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = PyNumber_Multiply(__pyx_v_distance_upper_bound, __pyx_v_distance_upper_bound); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 217; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_19 = __pyx_PyFloat_AsFloat(__pyx_t_9); if (unlikely((__pyx_t_19 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 213; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_19 = __pyx_PyFloat_AsFloat(__pyx_t_9); if (unlikely((__pyx_t_19 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 217; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
       __pyx_v_dub_float = ((float)__pyx_t_19);
       goto __pyx_L11;
     }
     /*else*/ {
 
-      /* "pykdtree/kdtree.pyx":215
+      /* "pykdtree/kdtree.pyx":219
  *                 dub_float = <float>(distance_upper_bound * distance_upper_bound)
  *             else:
  *                 dub_double = <double>(distance_upper_bound * distance_upper_bound)             # <<<<<<<<<<<<<<
  * 
  *         # Set epsilon
  */
-      __pyx_t_9 = PyNumber_Multiply(__pyx_v_distance_upper_bound, __pyx_v_distance_upper_bound); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_9 = PyNumber_Multiply(__pyx_v_distance_upper_bound, __pyx_v_distance_upper_bound); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_9);
-      __pyx_t_20 = __pyx_PyFloat_AsDouble(__pyx_t_9); if (unlikely((__pyx_t_20 == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_20 = __pyx_PyFloat_AsDouble(__pyx_t_9); if (unlikely((__pyx_t_20 == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
       __pyx_v_dub_double = ((double)__pyx_t_20);
     }
@@ -2707,48 +2973,48 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   }
   __pyx_L9:;
 
-  /* "pykdtree/kdtree.pyx":218
+  /* "pykdtree/kdtree.pyx":222
  * 
  *         # Set epsilon
  *         cdef double epsilon_float = <float>eps             # <<<<<<<<<<<<<<
  *         cdef double epsilon_double = <double>eps
  * 
  */
-  __pyx_t_19 = __pyx_PyFloat_AsFloat(__pyx_v_eps); if (unlikely((__pyx_t_19 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 218; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_19 = __pyx_PyFloat_AsFloat(__pyx_v_eps); if (unlikely((__pyx_t_19 == (float)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_epsilon_float = ((float)__pyx_t_19);
 
-  /* "pykdtree/kdtree.pyx":219
+  /* "pykdtree/kdtree.pyx":223
  *         # Set epsilon
  *         cdef double epsilon_float = <float>eps
  *         cdef double epsilon_double = <double>eps             # <<<<<<<<<<<<<<
  * 
  *         # Release GIL and query tree
  */
-  __pyx_t_20 = __pyx_PyFloat_AsDouble(__pyx_v_eps); if (unlikely((__pyx_t_20 == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_20 = __pyx_PyFloat_AsDouble(__pyx_v_eps); if (unlikely((__pyx_t_20 == (double)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 223; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_v_epsilon_double = ((double)__pyx_t_20);
 
-  /* "pykdtree/kdtree.pyx":222
+  /* "pykdtree/kdtree.pyx":226
  * 
  *         # Release GIL and query tree
  *         if self.data_pts.dtype == np.float32:             # <<<<<<<<<<<<<<
  *             with nogil:
  *                 search_tree_float(self._kdtree_float, self._data_pts_data_float,
  */
-  __pyx_t_9 = PyObject_GetAttr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 226; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_9);
-  __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_3);
-  __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__float32); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 226; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_t_4);
+  __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_float32); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 226; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  __pyx_t_3 = PyObject_RichCompare(__pyx_t_9, __pyx_t_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  __pyx_t_4 = PyObject_RichCompare(__pyx_t_9, __pyx_t_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 226; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 222; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  if (__pyx_t_5) {
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 226; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  if (__pyx_t_6) {
 
-    /* "pykdtree/kdtree.pyx":223
+    /* "pykdtree/kdtree.pyx":227
  *         # Release GIL and query tree
  *         if self.data_pts.dtype == np.float32:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -2757,22 +3023,22 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  */
     {
         #ifdef WITH_THREAD
-        PyThreadState *_save = NULL;
-        #endif
+        PyThreadState *_save;
         Py_UNBLOCK_THREADS
+        #endif
         /*try:*/ {
 
-          /* "pykdtree/kdtree.pyx":226
- *                 search_tree_float(self._kdtree_float, self._data_pts_data_float,
+          /* "pykdtree/kdtree.pyx":228
+ *         if self.data_pts.dtype == np.float32:
+ *             with nogil:
+ *                 search_tree_float(self._kdtree_float, self._data_pts_data_float,             # <<<<<<<<<<<<<<
  *                                   query_array_data_float, num_qpoints, num_n, dub_float, epsilon_float,
- *                                   closest_idxs_data, closest_dists_data_float)             # <<<<<<<<<<<<<<
- * 
- *         else:
+ *                                   closest_idxs_data, closest_dists_data_float)
  */
           search_tree_float(__pyx_v_self->_kdtree_float, __pyx_v_self->_data_pts_data_float, __pyx_v_query_array_data_float, __pyx_v_num_qpoints, __pyx_v_num_n, __pyx_v_dub_float, __pyx_v_epsilon_float, __pyx_v_closest_idxs_data, __pyx_v_closest_dists_data_float);
         }
 
-        /* "pykdtree/kdtree.pyx":223
+        /* "pykdtree/kdtree.pyx":227
  *         # Release GIL and query tree
  *         if self.data_pts.dtype == np.float32:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -2780,14 +3046,20 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  *                                   query_array_data_float, num_qpoints, num_n, dub_float, epsilon_float,
  */
         /*finally:*/ {
-          Py_BLOCK_THREADS
+          /*normal exit:*/{
+            #ifdef WITH_THREAD
+            Py_BLOCK_THREADS
+            #endif
+            goto __pyx_L15;
+          }
+          __pyx_L15:;
         }
     }
     goto __pyx_L12;
   }
   /*else*/ {
 
-    /* "pykdtree/kdtree.pyx":229
+    /* "pykdtree/kdtree.pyx":233
  * 
  *         else:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -2796,22 +3068,22 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  */
     {
         #ifdef WITH_THREAD
-        PyThreadState *_save = NULL;
-        #endif
+        PyThreadState *_save;
         Py_UNBLOCK_THREADS
+        #endif
         /*try:*/ {
 
-          /* "pykdtree/kdtree.pyx":232
- *                 search_tree_double(self._kdtree_double, self._data_pts_data_double,
+          /* "pykdtree/kdtree.pyx":234
+ *         else:
+ *             with nogil:
+ *                 search_tree_double(self._kdtree_double, self._data_pts_data_double,             # <<<<<<<<<<<<<<
  *                                   query_array_data_double, num_qpoints, num_n, dub_double, epsilon_double,
- *                                   closest_idxs_data, closest_dists_data_double)             # <<<<<<<<<<<<<<
- * 
- *         # Shape result
+ *                                   closest_idxs_data, closest_dists_data_double)
  */
           search_tree_double(__pyx_v_self->_kdtree_double, __pyx_v_self->_data_pts_data_double, __pyx_v_query_array_data_double, __pyx_v_num_qpoints, __pyx_v_num_n, __pyx_v_dub_double, __pyx_v_epsilon_double, __pyx_v_closest_idxs_data, __pyx_v_closest_dists_data_double);
         }
 
-        /* "pykdtree/kdtree.pyx":229
+        /* "pykdtree/kdtree.pyx":233
  * 
  *         else:
  *             with nogil:             # <<<<<<<<<<<<<<
@@ -2819,36 +3091,42 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  *                                   query_array_data_double, num_qpoints, num_n, dub_double, epsilon_double,
  */
         /*finally:*/ {
-          Py_BLOCK_THREADS
+          /*normal exit:*/{
+            #ifdef WITH_THREAD
+            Py_BLOCK_THREADS
+            #endif
+            goto __pyx_L18;
+          }
+          __pyx_L18:;
         }
     }
   }
   __pyx_L12:;
 
-  /* "pykdtree/kdtree.pyx":235
+  /* "pykdtree/kdtree.pyx":239
  * 
  *         # Shape result
  *         if k > 1:             # <<<<<<<<<<<<<<
  *             closest_dists_res = closest_dists.reshape(num_qpoints, k)
  *             closest_idxs_res = closest_idxs.reshape(num_qpoints, k)
  */
-  __pyx_t_3 = PyObject_RichCompare(__pyx_v_k, __pyx_int_1, Py_GT); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 235; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 235; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-  if (__pyx_t_5) {
+  __pyx_t_4 = PyObject_RichCompare(__pyx_v_k, __pyx_int_1, Py_GT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 239; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 239; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+  if (__pyx_t_6) {
 
-    /* "pykdtree/kdtree.pyx":236
+    /* "pykdtree/kdtree.pyx":240
  *         # Shape result
  *         if k > 1:
  *             closest_dists_res = closest_dists.reshape(num_qpoints, k)             # <<<<<<<<<<<<<<
  *             closest_idxs_res = closest_idxs.reshape(num_qpoints, k)
  *         else:
  */
-    __pyx_t_3 = PyObject_GetAttr(__pyx_v_closest_dists, __pyx_n_s__reshape); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 236; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_1 = __Pyx_PyInt_to_py_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 236; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_v_closest_dists, __pyx_n_s_reshape); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 240; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_1 = __Pyx_PyInt_From_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 240; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_9 = PyTuple_New(2); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 236; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = PyTuple_New(2); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 240; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
     PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_t_1);
     __Pyx_GIVEREF(__pyx_t_1);
@@ -2856,43 +3134,43 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
     PyTuple_SET_ITEM(__pyx_t_9, 1, __pyx_v_k);
     __Pyx_GIVEREF(__pyx_v_k);
     __pyx_t_1 = 0;
-    __pyx_t_1 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_9), NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 236; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_9, NULL); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 240; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_9)); __pyx_t_9 = 0;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
     __pyx_v_closest_dists_res = __pyx_t_1;
     __pyx_t_1 = 0;
 
-    /* "pykdtree/kdtree.pyx":237
+    /* "pykdtree/kdtree.pyx":241
  *         if k > 1:
  *             closest_dists_res = closest_dists.reshape(num_qpoints, k)
  *             closest_idxs_res = closest_idxs.reshape(num_qpoints, k)             # <<<<<<<<<<<<<<
  *         else:
  *             closest_dists_res = closest_dists
  */
-    __pyx_t_1 = PyObject_GetAttr(((PyObject *)__pyx_v_closest_idxs), __pyx_n_s__reshape); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 237; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_closest_idxs), __pyx_n_s_reshape); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 241; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_9 = __Pyx_PyInt_to_py_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 237; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyInt_From_uint32_t(__pyx_v_num_qpoints); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 241; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __pyx_t_3 = PyTuple_New(2); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 237; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    PyTuple_SET_ITEM(__pyx_t_3, 0, __pyx_t_9);
+    __pyx_t_4 = PyTuple_New(2); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 241; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_9);
     __Pyx_GIVEREF(__pyx_t_9);
     __Pyx_INCREF(__pyx_v_k);
-    PyTuple_SET_ITEM(__pyx_t_3, 1, __pyx_v_k);
+    PyTuple_SET_ITEM(__pyx_t_4, 1, __pyx_v_k);
     __Pyx_GIVEREF(__pyx_v_k);
     __pyx_t_9 = 0;
-    __pyx_t_9 = PyObject_Call(__pyx_t_1, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 237; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_Call(__pyx_t_1, __pyx_t_4, NULL); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 241; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     __pyx_v_closest_idxs_res = __pyx_t_9;
     __pyx_t_9 = 0;
     goto __pyx_L19;
   }
   /*else*/ {
 
-    /* "pykdtree/kdtree.pyx":239
+    /* "pykdtree/kdtree.pyx":243
  *             closest_idxs_res = closest_idxs.reshape(num_qpoints, k)
  *         else:
  *             closest_dists_res = closest_dists             # <<<<<<<<<<<<<<
@@ -2902,7 +3180,7 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
     __Pyx_INCREF(__pyx_v_closest_dists);
     __pyx_v_closest_dists_res = __pyx_v_closest_dists;
 
-    /* "pykdtree/kdtree.pyx":240
+    /* "pykdtree/kdtree.pyx":244
  *         else:
  *             closest_dists_res = closest_dists
  *             closest_idxs_res = closest_idxs             # <<<<<<<<<<<<<<
@@ -2914,140 +3192,140 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   }
   __pyx_L19:;
 
-  /* "pykdtree/kdtree.pyx":242
+  /* "pykdtree/kdtree.pyx":246
  *             closest_idxs_res = closest_idxs
  * 
  *         if distance_upper_bound is not None: # Mark out of bounds results             # <<<<<<<<<<<<<<
  *             if self.data_pts.dtype == np.float32:
  *                 idx_out = (closest_dists_res >= dub_float)
  */
-  __pyx_t_5 = (__pyx_v_distance_upper_bound != Py_None);
-  if (__pyx_t_5) {
+  __pyx_t_6 = (__pyx_v_distance_upper_bound != Py_None);
+  __pyx_t_2 = (__pyx_t_6 != 0);
+  if (__pyx_t_2) {
 
-    /* "pykdtree/kdtree.pyx":243
+    /* "pykdtree/kdtree.pyx":247
  * 
  *         if distance_upper_bound is not None: # Mark out of bounds results
  *             if self.data_pts.dtype == np.float32:             # <<<<<<<<<<<<<<
  *                 idx_out = (closest_dists_res >= dub_float)
  *             else:
  */
-    __pyx_t_9 = PyObject_GetAttr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s__dtype); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 243; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self->data_pts), __pyx_n_s_dtype); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 247; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 243; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__float32); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 243; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 247; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_float32); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 247; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_3 = PyObject_RichCompare(__pyx_t_9, __pyx_t_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 243; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __pyx_t_4 = PyObject_RichCompare(__pyx_t_9, __pyx_t_1, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 247; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 243; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    if (__pyx_t_5) {
+    __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 247; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (__pyx_t_2) {
 
-      /* "pykdtree/kdtree.pyx":244
+      /* "pykdtree/kdtree.pyx":248
  *         if distance_upper_bound is not None: # Mark out of bounds results
  *             if self.data_pts.dtype == np.float32:
  *                 idx_out = (closest_dists_res >= dub_float)             # <<<<<<<<<<<<<<
  *             else:
  *                 idx_out = (closest_dists_res >= dub_double)
  */
-      __pyx_t_3 = PyFloat_FromDouble(__pyx_v_dub_float); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_1 = PyObject_RichCompare(__pyx_v_closest_dists_res, __pyx_t_3, Py_GE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 244; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+      __pyx_t_4 = PyFloat_FromDouble(__pyx_v_dub_float); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 248; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_1 = PyObject_RichCompare(__pyx_v_closest_dists_res, __pyx_t_4, Py_GE); __Pyx_XGOTREF(__pyx_t_1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 248; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __pyx_v_idx_out = __pyx_t_1;
       __pyx_t_1 = 0;
       goto __pyx_L21;
     }
     /*else*/ {
 
-      /* "pykdtree/kdtree.pyx":246
+      /* "pykdtree/kdtree.pyx":250
  *                 idx_out = (closest_dists_res >= dub_float)
  *             else:
  *                 idx_out = (closest_dists_res >= dub_double)             # <<<<<<<<<<<<<<
  * 
  *             closest_dists_res[idx_out] = np.Inf
  */
-      __pyx_t_1 = PyFloat_FromDouble(__pyx_v_dub_double); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 246; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_1 = PyFloat_FromDouble(__pyx_v_dub_double); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 250; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_1);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_closest_dists_res, __pyx_t_1, Py_GE); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 246; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_closest_dists_res, __pyx_t_1, Py_GE); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 250; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-      __pyx_v_idx_out = __pyx_t_3;
-      __pyx_t_3 = 0;
+      __pyx_v_idx_out = __pyx_t_4;
+      __pyx_t_4 = 0;
     }
     __pyx_L21:;
 
-    /* "pykdtree/kdtree.pyx":248
+    /* "pykdtree/kdtree.pyx":252
  *                 idx_out = (closest_dists_res >= dub_double)
  * 
  *             closest_dists_res[idx_out] = np.Inf             # <<<<<<<<<<<<<<
  *             closest_idxs_res[idx_out] = self.n
  * 
  */
-    __pyx_t_3 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 248; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_1 = PyObject_GetAttr(__pyx_t_3, __pyx_n_s__Inf); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 248; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 252; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
+    __pyx_t_1 = __Pyx_PyObject_GetAttrStr(__pyx_t_4, __pyx_n_s_Inf); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 252; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    if (PyObject_SetItem(__pyx_v_closest_dists_res, __pyx_v_idx_out, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 248; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    if (unlikely(PyObject_SetItem(__pyx_v_closest_dists_res, __pyx_v_idx_out, __pyx_t_1) < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 252; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-    /* "pykdtree/kdtree.pyx":249
+    /* "pykdtree/kdtree.pyx":253
  * 
  *             closest_dists_res[idx_out] = np.Inf
  *             closest_idxs_res[idx_out] = self.n             # <<<<<<<<<<<<<<
  * 
  *         if not sqr_dists: # Return actual cartesian distances
  */
-    __pyx_t_1 = __Pyx_PyInt_to_py_uint32_t(__pyx_v_self->n); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 249; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_PyInt_From_uint32_t(__pyx_v_self->n); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 253; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    if (PyObject_SetItem(__pyx_v_closest_idxs_res, __pyx_v_idx_out, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 249; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (unlikely(PyObject_SetItem(__pyx_v_closest_idxs_res, __pyx_v_idx_out, __pyx_t_1) < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 253; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
     goto __pyx_L20;
   }
   __pyx_L20:;
 
-  /* "pykdtree/kdtree.pyx":251
+  /* "pykdtree/kdtree.pyx":255
  *             closest_idxs_res[idx_out] = self.n
  * 
  *         if not sqr_dists: # Return actual cartesian distances             # <<<<<<<<<<<<<<
  *             closest_dists_res = np.sqrt(closest_dists_res)
  * 
  */
-  __pyx_t_5 = __Pyx_PyObject_IsTrue(__pyx_v_sqr_dists); if (unlikely(__pyx_t_5 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 251; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_t_6 = (!__pyx_t_5);
+  __pyx_t_2 = __Pyx_PyObject_IsTrue(__pyx_v_sqr_dists); if (unlikely(__pyx_t_2 < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 255; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_6 = ((!__pyx_t_2) != 0);
   if (__pyx_t_6) {
 
-    /* "pykdtree/kdtree.pyx":252
+    /* "pykdtree/kdtree.pyx":256
  * 
  *         if not sqr_dists: # Return actual cartesian distances
  *             closest_dists_res = np.sqrt(closest_dists_res)             # <<<<<<<<<<<<<<
  * 
  *         return closest_dists_res, closest_idxs_res
  */
-    __pyx_t_1 = __Pyx_GetName(__pyx_m, __pyx_n_s__np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 252; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = __Pyx_GetModuleGlobalName(__pyx_n_s_np); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
-    __pyx_t_3 = PyObject_GetAttr(__pyx_t_1, __pyx_n_s__sqrt); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 252; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
+    __pyx_t_4 = __Pyx_PyObject_GetAttrStr(__pyx_t_1, __pyx_n_s_sqrt); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_GOTREF(__pyx_t_4);
     __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
-    __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 252; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_1 = PyTuple_New(1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_1);
     __Pyx_INCREF(__pyx_v_closest_dists_res);
     PyTuple_SET_ITEM(__pyx_t_1, 0, __pyx_v_closest_dists_res);
     __Pyx_GIVEREF(__pyx_v_closest_dists_res);
-    __pyx_t_9 = PyObject_Call(__pyx_t_3, ((PyObject *)__pyx_t_1), NULL); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 252; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_9 = __Pyx_PyObject_Call(__pyx_t_4, __pyx_t_1, NULL); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 256; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_9);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
-    __Pyx_DECREF(__pyx_v_closest_dists_res);
-    __pyx_v_closest_dists_res = __pyx_t_9;
+    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+    __Pyx_DECREF_SET(__pyx_v_closest_dists_res, __pyx_t_9);
     __pyx_t_9 = 0;
     goto __pyx_L22;
   }
   __pyx_L22:;
 
-  /* "pykdtree/kdtree.pyx":254
+  /* "pykdtree/kdtree.pyx":258
  *             closest_dists_res = np.sqrt(closest_dists_res)
  * 
  *         return closest_dists_res, closest_idxs_res             # <<<<<<<<<<<<<<
@@ -3055,7 +3333,7 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
  *     def __dealloc__(KDTree self):
  */
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_9 = PyTuple_New(2); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 254; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_9 = PyTuple_New(2); if (unlikely(!__pyx_t_9)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 258; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_9);
   __Pyx_INCREF(__pyx_v_closest_dists_res);
   PyTuple_SET_ITEM(__pyx_t_9, 0, __pyx_v_closest_dists_res);
@@ -3063,16 +3341,23 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   __Pyx_INCREF(__pyx_v_closest_idxs_res);
   PyTuple_SET_ITEM(__pyx_t_9, 1, __pyx_v_closest_idxs_res);
   __Pyx_GIVEREF(__pyx_v_closest_idxs_res);
-  __pyx_r = ((PyObject *)__pyx_t_9);
+  __pyx_r = __pyx_t_9;
   __pyx_t_9 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* "pykdtree/kdtree.pyx":132
+ * 
+ * 
+ *     def query(KDTree self, np.ndarray query_pts not None, k=1, eps=0,             # <<<<<<<<<<<<<<
+ *               distance_upper_bound=None, sqr_dists=False):
+ *         """Query the kd-tree for nearest neighbors
+ */
+
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
-  __Pyx_XDECREF(__pyx_t_3);
   __Pyx_XDECREF(__pyx_t_4);
+  __Pyx_XDECREF(__pyx_t_5);
   __Pyx_XDECREF(__pyx_t_8);
   __Pyx_XDECREF(__pyx_t_9);
   { PyObject *__pyx_type, *__pyx_value, *__pyx_tb;
@@ -3107,39 +3392,41 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4query(struct __pyx_obj_8pyk
   return __pyx_r;
 }
 
+/* "pykdtree/kdtree.pyx":260
+ *         return closest_dists_res, closest_idxs_res
+ * 
+ *     def __dealloc__(KDTree self):             # <<<<<<<<<<<<<<
+ *         if self._kdtree_float != NULL:
+ *             delete_tree_float(self._kdtree_float)
+ */
+
 /* Python wrapper */
 static void __pyx_pw_8pykdtree_6kdtree_6KDTree_7__dealloc__(PyObject *__pyx_v_self); /*proto*/
 static void __pyx_pw_8pykdtree_6kdtree_6KDTree_7__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
   __pyx_pf_8pykdtree_6kdtree_6KDTree_6__dealloc__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self));
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
 }
 
-/* "pykdtree/kdtree.pyx":256
- *         return closest_dists_res, closest_idxs_res
- * 
- *     def __dealloc__(KDTree self):             # <<<<<<<<<<<<<<
- *         if self._kdtree_float != NULL:
- *             delete_tree_float(self._kdtree_float)
- */
-
 static void __pyx_pf_8pykdtree_6kdtree_6KDTree_6__dealloc__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self) {
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "pykdtree/kdtree.pyx":257
+  /* "pykdtree/kdtree.pyx":261
  * 
  *     def __dealloc__(KDTree self):
  *         if self._kdtree_float != NULL:             # <<<<<<<<<<<<<<
  *             delete_tree_float(self._kdtree_float)
  *         elif self._kdtree_double != NULL:
  */
-  __pyx_t_1 = (__pyx_v_self->_kdtree_float != NULL);
+  __pyx_t_1 = ((__pyx_v_self->_kdtree_float != NULL) != 0);
   if (__pyx_t_1) {
 
-    /* "pykdtree/kdtree.pyx":258
+    /* "pykdtree/kdtree.pyx":262
  *     def __dealloc__(KDTree self):
  *         if self._kdtree_float != NULL:
  *             delete_tree_float(self._kdtree_float)             # <<<<<<<<<<<<<<
@@ -3150,16 +3437,16 @@ static void __pyx_pf_8pykdtree_6kdtree_6KDTree_6__dealloc__(struct __pyx_obj_8py
     goto __pyx_L3;
   }
 
-  /* "pykdtree/kdtree.pyx":259
+  /* "pykdtree/kdtree.pyx":263
  *         if self._kdtree_float != NULL:
  *             delete_tree_float(self._kdtree_float)
  *         elif self._kdtree_double != NULL:             # <<<<<<<<<<<<<<
  *             delete_tree_double(self._kdtree_double)
  */
-  __pyx_t_1 = (__pyx_v_self->_kdtree_double != NULL);
+  __pyx_t_1 = ((__pyx_v_self->_kdtree_double != NULL) != 0);
   if (__pyx_t_1) {
 
-    /* "pykdtree/kdtree.pyx":260
+    /* "pykdtree/kdtree.pyx":264
  *             delete_tree_float(self._kdtree_float)
  *         elif self._kdtree_double != NULL:
  *             delete_tree_double(self._kdtree_double)             # <<<<<<<<<<<<<<
@@ -3169,9 +3456,26 @@ static void __pyx_pf_8pykdtree_6kdtree_6KDTree_6__dealloc__(struct __pyx_obj_8py
   }
   __pyx_L3:;
 
+  /* "pykdtree/kdtree.pyx":260
+ *         return closest_dists_res, closest_idxs_res
+ * 
+ *     def __dealloc__(KDTree self):             # <<<<<<<<<<<<<<
+ *         if self._kdtree_float != NULL:
+ *             delete_tree_float(self._kdtree_float)
+ */
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
 }
 
+/* "pykdtree/kdtree.pyx":79
+ *     cdef tree_float *_kdtree_float
+ *     cdef tree_double *_kdtree_double
+ *     cdef readonly np.ndarray data_pts             # <<<<<<<<<<<<<<
+ *     cdef readonly np.ndarray data
+ *     cdef float *_data_pts_data_float
+ */
+
 /* Python wrapper */
 static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_8data_pts_1__get__(PyObject *__pyx_v_self); /*proto*/
 static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_8data_pts_1__get__(PyObject *__pyx_v_self) {
@@ -3179,18 +3483,12 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_8data_pts_1__get__(PyObject
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
   __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree_8data_pts___get__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self));
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "pykdtree/kdtree.pyx":79
- *     cdef tree_float *_kdtree_float
- *     cdef tree_double *_kdtree_double
- *     cdef readonly np.ndarray data_pts             # <<<<<<<<<<<<<<
- *     cdef float *_data_pts_data_float
- *     cdef double *_data_pts_data_double
- */
-
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_8data_pts___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -3200,25 +3498,51 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_8data_pts___get__(struct __p
   __pyx_r = ((PyObject *)__pyx_v_self->data_pts);
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  /* function exit code */
   __pyx_L0:;
   __Pyx_XGIVEREF(__pyx_r);
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
+/* "pykdtree/kdtree.pyx":80
+ *     cdef tree_double *_kdtree_double
+ *     cdef readonly np.ndarray data_pts
+ *     cdef readonly np.ndarray data             # <<<<<<<<<<<<<<
+ *     cdef float *_data_pts_data_float
+ *     cdef double *_data_pts_data_double
+ */
+
 /* Python wrapper */
-static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_1n_1__get__(PyObject *__pyx_v_self); /*proto*/
-static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_1n_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_4data_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_4data_1__get__(PyObject *__pyx_v_self) {
   PyObject *__pyx_r = 0;
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
-  __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree_1n___get__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self));
+  __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree_4data___get__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self));
+
+  /* function exit code */
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
+static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4data___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self) {
+  PyObject *__pyx_r = NULL;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__", 0);
+  __Pyx_XDECREF(__pyx_r);
+  __Pyx_INCREF(((PyObject *)__pyx_v_self->data));
+  __pyx_r = ((PyObject *)__pyx_v_self->data);
+  goto __pyx_L0;
+
+  /* function exit code */
+  __pyx_L0:;
+  __Pyx_XGIVEREF(__pyx_r);
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "pykdtree/kdtree.pyx":82
+/* "pykdtree/kdtree.pyx":83
  *     cdef float *_data_pts_data_float
  *     cdef double *_data_pts_data_double
  *     cdef readonly uint32_t n             # <<<<<<<<<<<<<<
@@ -3226,6 +3550,19 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_1n_1__get__(PyObject *__pyx_
  *     cdef readonly uint32_t leafsize
  */
 
+/* Python wrapper */
+static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_1n_1__get__(PyObject *__pyx_v_self); /*proto*/
+static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_1n_1__get__(PyObject *__pyx_v_self) {
+  PyObject *__pyx_r = 0;
+  __Pyx_RefNannyDeclarations
+  __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
+  __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree_1n___get__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self));
+
+  /* function exit code */
+  __Pyx_RefNannyFinishContext();
+  return __pyx_r;
+}
+
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_1n___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -3235,14 +3572,13 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_1n___get__(struct __pyx_obj_
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __Pyx_PyInt_to_py_uint32_t(__pyx_v_self->n); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 82; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_From_uint32_t(__pyx_v_self->n); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("pykdtree.kdtree.KDTree.n.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -3253,6 +3589,14 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_1n___get__(struct __pyx_obj_
   return __pyx_r;
 }
 
+/* "pykdtree/kdtree.pyx":84
+ *     cdef double *_data_pts_data_double
+ *     cdef readonly uint32_t n
+ *     cdef readonly int8_t ndim             # <<<<<<<<<<<<<<
+ *     cdef readonly uint32_t leafsize
+ * 
+ */
+
 /* Python wrapper */
 static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_4ndim_1__get__(PyObject *__pyx_v_self); /*proto*/
 static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_4ndim_1__get__(PyObject *__pyx_v_self) {
@@ -3260,18 +3604,12 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_4ndim_1__get__(PyObject *__p
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
   __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree_4ndim___get__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self));
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "pykdtree/kdtree.pyx":83
- *     cdef double *_data_pts_data_double
- *     cdef readonly uint32_t n
- *     cdef readonly int8_t ndim             # <<<<<<<<<<<<<<
- *     cdef readonly uint32_t leafsize
- * 
- */
-
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4ndim___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -3281,14 +3619,13 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4ndim___get__(struct __pyx_o
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __Pyx_PyInt_to_py_int8_t(__pyx_v_self->ndim); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 83; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_From_int8_t(__pyx_v_self->ndim); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("pykdtree.kdtree.KDTree.ndim.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -3299,6 +3636,14 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_4ndim___get__(struct __pyx_o
   return __pyx_r;
 }
 
+/* "pykdtree/kdtree.pyx":85
+ *     cdef readonly uint32_t n
+ *     cdef readonly int8_t ndim
+ *     cdef readonly uint32_t leafsize             # <<<<<<<<<<<<<<
+ * 
+ *     def __cinit__(KDTree self):
+ */
+
 /* Python wrapper */
 static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_8leafsize_1__get__(PyObject *__pyx_v_self); /*proto*/
 static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_8leafsize_1__get__(PyObject *__pyx_v_self) {
@@ -3306,18 +3651,12 @@ static PyObject *__pyx_pw_8pykdtree_6kdtree_6KDTree_8leafsize_1__get__(PyObject
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__get__ (wrapper)", 0);
   __pyx_r = __pyx_pf_8pykdtree_6kdtree_6KDTree_8leafsize___get__(((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)__pyx_v_self));
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "pykdtree/kdtree.pyx":84
- *     cdef readonly uint32_t n
- *     cdef readonly int8_t ndim
- *     cdef readonly uint32_t leafsize             # <<<<<<<<<<<<<<
- * 
- *     def __cinit__(KDTree self):
- */
-
 static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_8leafsize___get__(struct __pyx_obj_8pykdtree_6kdtree_KDTree *__pyx_v_self) {
   PyObject *__pyx_r = NULL;
   __Pyx_RefNannyDeclarations
@@ -3327,14 +3666,13 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_8leafsize___get__(struct __p
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__get__", 0);
   __Pyx_XDECREF(__pyx_r);
-  __pyx_t_1 = __Pyx_PyInt_to_py_uint32_t(__pyx_v_self->leafsize); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 84; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_PyInt_From_uint32_t(__pyx_v_self->leafsize); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 85; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
   __pyx_r = __pyx_t_1;
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("pykdtree.kdtree.KDTree.leafsize.__get__", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -3345,6 +3683,14 @@ static PyObject *__pyx_pf_8pykdtree_6kdtree_6KDTree_8leafsize___get__(struct __p
   return __pyx_r;
 }
 
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":194
+ *         # experimental exception made for __getbuffer__ and __releasebuffer__
+ *         # -- the details of this may change.
+ *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
+ *             # This implementation of getbuffer is geared towards Cython
+ *             # requirements, and does not yet fullfill the PEP.
+ */
+
 /* Python wrapper */
 static CYTHON_UNUSED int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags); /*proto*/
 static CYTHON_UNUSED int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
@@ -3352,18 +3698,12 @@ static CYTHON_UNUSED int __pyx_pw_5numpy_7ndarray_1__getbuffer__(PyObject *__pyx
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__getbuffer__ (wrapper)", 0);
   __pyx_r = __pyx_pf_5numpy_7ndarray___getbuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info), ((int)__pyx_v_flags));
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
   return __pyx_r;
 }
 
-/* "numpy.pxd":194
- *         # experimental exception made for __getbuffer__ and __releasebuffer__
- *         # -- the details of this may change.
- *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
- *             # This implementation of getbuffer is geared towards Cython
- *             # requirements, and does not yet fullfill the PEP.
- */
-
 static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info, int __pyx_v_flags) {
   int __pyx_v_copy_shape;
   int __pyx_v_i;
@@ -3395,22 +3735,20 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
     __Pyx_GIVEREF(__pyx_v_info->obj);
   }
 
-  /* "numpy.pxd":200
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":200
  *             # of flags
  * 
  *             if info == NULL: return             # <<<<<<<<<<<<<<
  * 
  *             cdef int copy_shape, i, ndim
  */
-  __pyx_t_1 = (__pyx_v_info == NULL);
+  __pyx_t_1 = ((__pyx_v_info == NULL) != 0);
   if (__pyx_t_1) {
     __pyx_r = 0;
     goto __pyx_L0;
-    goto __pyx_L3;
   }
-  __pyx_L3:;
 
-  /* "numpy.pxd":203
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":203
  * 
  *             cdef int copy_shape, i, ndim
  *             cdef int endian_detector = 1             # <<<<<<<<<<<<<<
@@ -3419,7 +3757,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_endian_detector = 1;
 
-  /* "numpy.pxd":204
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":204
  *             cdef int copy_shape, i, ndim
  *             cdef int endian_detector = 1
  *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
@@ -3428,7 +3766,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
 
-  /* "numpy.pxd":206
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":206
  *             cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)
  * 
  *             ndim = PyArray_NDIM(self)             # <<<<<<<<<<<<<<
@@ -3437,17 +3775,17 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_ndim = PyArray_NDIM(__pyx_v_self);
 
-  /* "numpy.pxd":208
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":208
  *             ndim = PyArray_NDIM(self)
  * 
  *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
  *                 copy_shape = 1
  *             else:
  */
-  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  __pyx_t_1 = (((sizeof(npy_intp)) != (sizeof(Py_ssize_t))) != 0);
   if (__pyx_t_1) {
 
-    /* "numpy.pxd":209
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":209
  * 
  *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
  *                 copy_shape = 1             # <<<<<<<<<<<<<<
@@ -3459,7 +3797,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
   }
   /*else*/ {
 
-    /* "numpy.pxd":211
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":211
  *                 copy_shape = 1
  *             else:
  *                 copy_shape = 0             # <<<<<<<<<<<<<<
@@ -3470,87 +3808,83 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
   }
   __pyx_L4:;
 
-  /* "numpy.pxd":213
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":213
  *                 copy_shape = 0
  * 
  *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)             # <<<<<<<<<<<<<<
  *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
  *                 raise ValueError(u"ndarray is not C contiguous")
  */
-  __pyx_t_1 = ((__pyx_v_flags & PyBUF_C_CONTIGUOUS) == PyBUF_C_CONTIGUOUS);
+  __pyx_t_1 = (((__pyx_v_flags & PyBUF_C_CONTIGUOUS) == PyBUF_C_CONTIGUOUS) != 0);
   if (__pyx_t_1) {
 
-    /* "numpy.pxd":214
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":214
  * 
  *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
  *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):             # <<<<<<<<<<<<<<
  *                 raise ValueError(u"ndarray is not C contiguous")
  * 
  */
-    __pyx_t_2 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_C_CONTIGUOUS));
+    __pyx_t_2 = ((!(PyArray_CHKFLAGS(__pyx_v_self, NPY_C_CONTIGUOUS) != 0)) != 0);
     __pyx_t_3 = __pyx_t_2;
   } else {
     __pyx_t_3 = __pyx_t_1;
   }
   if (__pyx_t_3) {
 
-    /* "numpy.pxd":215
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":215
  *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
  *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
  *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
  * 
  *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
  */
-    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_16), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__7, NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_Raise(__pyx_t_4, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     {__pyx_filename = __pyx_f[1]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    goto __pyx_L5;
   }
-  __pyx_L5:;
 
-  /* "numpy.pxd":217
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":217
  *                 raise ValueError(u"ndarray is not C contiguous")
  * 
  *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)             # <<<<<<<<<<<<<<
  *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
  *                 raise ValueError(u"ndarray is not Fortran contiguous")
  */
-  __pyx_t_3 = ((__pyx_v_flags & PyBUF_F_CONTIGUOUS) == PyBUF_F_CONTIGUOUS);
+  __pyx_t_3 = (((__pyx_v_flags & PyBUF_F_CONTIGUOUS) == PyBUF_F_CONTIGUOUS) != 0);
   if (__pyx_t_3) {
 
-    /* "numpy.pxd":218
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":218
  * 
  *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
  *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):             # <<<<<<<<<<<<<<
  *                 raise ValueError(u"ndarray is not Fortran contiguous")
  * 
  */
-    __pyx_t_1 = (!PyArray_CHKFLAGS(__pyx_v_self, NPY_F_CONTIGUOUS));
+    __pyx_t_1 = ((!(PyArray_CHKFLAGS(__pyx_v_self, NPY_F_CONTIGUOUS) != 0)) != 0);
     __pyx_t_2 = __pyx_t_1;
   } else {
     __pyx_t_2 = __pyx_t_3;
   }
   if (__pyx_t_2) {
 
-    /* "numpy.pxd":219
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":219
  *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
  *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
  *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
  * 
  *             info.buf = PyArray_DATA(self)
  */
-    __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_18), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__8, NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
     __Pyx_Raise(__pyx_t_4, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
     {__pyx_filename = __pyx_f[1]; __pyx_lineno = 219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    goto __pyx_L6;
   }
-  __pyx_L6:;
 
-  /* "numpy.pxd":221
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":221
  *                 raise ValueError(u"ndarray is not Fortran contiguous")
  * 
  *             info.buf = PyArray_DATA(self)             # <<<<<<<<<<<<<<
@@ -3559,7 +3893,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_info->buf = PyArray_DATA(__pyx_v_self);
 
-  /* "numpy.pxd":222
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":222
  * 
  *             info.buf = PyArray_DATA(self)
  *             info.ndim = ndim             # <<<<<<<<<<<<<<
@@ -3568,16 +3902,17 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_info->ndim = __pyx_v_ndim;
 
-  /* "numpy.pxd":223
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":223
  *             info.buf = PyArray_DATA(self)
  *             info.ndim = ndim
  *             if copy_shape:             # <<<<<<<<<<<<<<
  *                 # Allocate new buffer for strides and shape info.
  *                 # This is allocated as one block, strides first.
  */
-  if (__pyx_v_copy_shape) {
+  __pyx_t_2 = (__pyx_v_copy_shape != 0);
+  if (__pyx_t_2) {
 
-    /* "numpy.pxd":226
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":226
  *                 # Allocate new buffer for strides and shape info.
  *                 # This is allocated as one block, strides first.
  *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)             # <<<<<<<<<<<<<<
@@ -3586,7 +3921,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     __pyx_v_info->strides = ((Py_ssize_t *)malloc((((sizeof(Py_ssize_t)) * ((size_t)__pyx_v_ndim)) * 2)));
 
-    /* "numpy.pxd":227
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":227
  *                 # This is allocated as one block, strides first.
  *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
  *                 info.shape = info.strides + ndim             # <<<<<<<<<<<<<<
@@ -3595,7 +3930,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     __pyx_v_info->shape = (__pyx_v_info->strides + __pyx_v_ndim);
 
-    /* "numpy.pxd":228
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":228
  *                 info.strides = <Py_ssize_t*>stdlib.malloc(sizeof(Py_ssize_t) * <size_t>ndim * 2)
  *                 info.shape = info.strides + ndim
  *                 for i in range(ndim):             # <<<<<<<<<<<<<<
@@ -3606,7 +3941,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
     for (__pyx_t_6 = 0; __pyx_t_6 < __pyx_t_5; __pyx_t_6+=1) {
       __pyx_v_i = __pyx_t_6;
 
-      /* "numpy.pxd":229
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":229
  *                 info.shape = info.strides + ndim
  *                 for i in range(ndim):
  *                     info.strides[i] = PyArray_STRIDES(self)[i]             # <<<<<<<<<<<<<<
@@ -3615,7 +3950,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
       (__pyx_v_info->strides[__pyx_v_i]) = (PyArray_STRIDES(__pyx_v_self)[__pyx_v_i]);
 
-      /* "numpy.pxd":230
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":230
  *                 for i in range(ndim):
  *                     info.strides[i] = PyArray_STRIDES(self)[i]
  *                     info.shape[i] = PyArray_DIMS(self)[i]             # <<<<<<<<<<<<<<
@@ -3628,7 +3963,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
   }
   /*else*/ {
 
-    /* "numpy.pxd":232
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":232
  *                     info.shape[i] = PyArray_DIMS(self)[i]
  *             else:
  *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)             # <<<<<<<<<<<<<<
@@ -3637,7 +3972,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     __pyx_v_info->strides = ((Py_ssize_t *)PyArray_STRIDES(__pyx_v_self));
 
-    /* "numpy.pxd":233
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":233
  *             else:
  *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
  *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)             # <<<<<<<<<<<<<<
@@ -3648,7 +3983,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
   }
   __pyx_L7:;
 
-  /* "numpy.pxd":234
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":234
  *                 info.strides = <Py_ssize_t*>PyArray_STRIDES(self)
  *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
  *             info.suboffsets = NULL             # <<<<<<<<<<<<<<
@@ -3657,7 +3992,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_info->suboffsets = NULL;
 
-  /* "numpy.pxd":235
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":235
  *                 info.shape = <Py_ssize_t*>PyArray_DIMS(self)
  *             info.suboffsets = NULL
  *             info.itemsize = PyArray_ITEMSIZE(self)             # <<<<<<<<<<<<<<
@@ -3666,16 +4001,16 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_info->itemsize = PyArray_ITEMSIZE(__pyx_v_self);
 
-  /* "numpy.pxd":236
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":236
  *             info.suboffsets = NULL
  *             info.itemsize = PyArray_ITEMSIZE(self)
  *             info.readonly = not PyArray_ISWRITEABLE(self)             # <<<<<<<<<<<<<<
  * 
  *             cdef int t
  */
-  __pyx_v_info->readonly = (!PyArray_ISWRITEABLE(__pyx_v_self));
+  __pyx_v_info->readonly = (!(PyArray_ISWRITEABLE(__pyx_v_self) != 0));
 
-  /* "numpy.pxd":239
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":239
  * 
  *             cdef int t
  *             cdef char* f = NULL             # <<<<<<<<<<<<<<
@@ -3684,7 +4019,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_f = NULL;
 
-  /* "numpy.pxd":240
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":240
  *             cdef int t
  *             cdef char* f = NULL
  *             cdef dtype descr = self.descr             # <<<<<<<<<<<<<<
@@ -3696,7 +4031,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
   __pyx_v_descr = ((PyArray_Descr *)__pyx_t_4);
   __pyx_t_4 = 0;
 
-  /* "numpy.pxd":244
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":244
  *             cdef int offset
  * 
  *             cdef bint hasfields = PyDataType_HASFIELDS(descr)             # <<<<<<<<<<<<<<
@@ -3705,23 +4040,23 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
   __pyx_v_hasfields = PyDataType_HASFIELDS(__pyx_v_descr);
 
-  /* "numpy.pxd":246
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":246
  *             cdef bint hasfields = PyDataType_HASFIELDS(descr)
  * 
  *             if not hasfields and not copy_shape:             # <<<<<<<<<<<<<<
  *                 # do not call releasebuffer
  *                 info.obj = None
  */
-  __pyx_t_2 = (!__pyx_v_hasfields);
+  __pyx_t_2 = ((!(__pyx_v_hasfields != 0)) != 0);
   if (__pyx_t_2) {
-    __pyx_t_3 = (!__pyx_v_copy_shape);
+    __pyx_t_3 = ((!(__pyx_v_copy_shape != 0)) != 0);
     __pyx_t_1 = __pyx_t_3;
   } else {
     __pyx_t_1 = __pyx_t_2;
   }
   if (__pyx_t_1) {
 
-    /* "numpy.pxd":248
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":248
  *             if not hasfields and not copy_shape:
  *                 # do not call releasebuffer
  *                 info.obj = None             # <<<<<<<<<<<<<<
@@ -3737,7 +4072,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
   }
   /*else*/ {
 
-    /* "numpy.pxd":251
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":251
  *             else:
  *                 # need to call releasebuffer
  *                 info.obj = self             # <<<<<<<<<<<<<<
@@ -3752,17 +4087,17 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
   }
   __pyx_L10:;
 
-  /* "numpy.pxd":253
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":253
  *                 info.obj = self
  * 
  *             if not hasfields:             # <<<<<<<<<<<<<<
  *                 t = descr.type_num
  *                 if ((descr.byteorder == c'>' and little_endian) or
  */
-  __pyx_t_1 = (!__pyx_v_hasfields);
+  __pyx_t_1 = ((!(__pyx_v_hasfields != 0)) != 0);
   if (__pyx_t_1) {
 
-    /* "numpy.pxd":254
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":254
  * 
  *             if not hasfields:
  *                 t = descr.type_num             # <<<<<<<<<<<<<<
@@ -3772,31 +4107,31 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
     __pyx_t_5 = __pyx_v_descr->type_num;
     __pyx_v_t = __pyx_t_5;
 
-    /* "numpy.pxd":255
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":255
  *             if not hasfields:
  *                 t = descr.type_num
  *                 if ((descr.byteorder == c'>' and little_endian) or             # <<<<<<<<<<<<<<
  *                     (descr.byteorder == c'<' and not little_endian)):
  *                     raise ValueError(u"Non-native byte order not supported")
  */
-    __pyx_t_1 = (__pyx_v_descr->byteorder == '>');
+    __pyx_t_1 = ((__pyx_v_descr->byteorder == '>') != 0);
     if (__pyx_t_1) {
-      __pyx_t_2 = __pyx_v_little_endian;
+      __pyx_t_2 = (__pyx_v_little_endian != 0);
     } else {
       __pyx_t_2 = __pyx_t_1;
     }
     if (!__pyx_t_2) {
 
-      /* "numpy.pxd":256
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":256
  *                 t = descr.type_num
  *                 if ((descr.byteorder == c'>' and little_endian) or
  *                     (descr.byteorder == c'<' and not little_endian)):             # <<<<<<<<<<<<<<
  *                     raise ValueError(u"Non-native byte order not supported")
  *                 if   t == NPY_BYTE:        f = "b"
  */
-      __pyx_t_1 = (__pyx_v_descr->byteorder == '<');
+      __pyx_t_1 = ((__pyx_v_descr->byteorder == '<') != 0);
       if (__pyx_t_1) {
-        __pyx_t_3 = (!__pyx_v_little_endian);
+        __pyx_t_3 = ((!(__pyx_v_little_endian != 0)) != 0);
         __pyx_t_7 = __pyx_t_3;
       } else {
         __pyx_t_7 = __pyx_t_1;
@@ -3807,271 +4142,244 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
     }
     if (__pyx_t_1) {
 
-      /* "numpy.pxd":257
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":257
  *                 if ((descr.byteorder == c'>' and little_endian) or
  *                     (descr.byteorder == c'<' and not little_endian)):
  *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
  *                 if   t == NPY_BYTE:        f = "b"
  *                 elif t == NPY_UBYTE:       f = "B"
  */
-      __pyx_t_4 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_20), NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 257; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__9, NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 257; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       __Pyx_Raise(__pyx_t_4, 0, 0, 0);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       {__pyx_filename = __pyx_f[1]; __pyx_lineno = 257; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      goto __pyx_L12;
     }
-    __pyx_L12:;
 
-    /* "numpy.pxd":258
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":274
+ *                 elif t == NPY_CDOUBLE:     f = "Zd"
+ *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
+ *                 elif t == NPY_OBJECT:      f = "O"             # <<<<<<<<<<<<<<
+ *                 else:
+ *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
+ */
+    switch (__pyx_v_t) {
+
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":258
  *                     (descr.byteorder == c'<' and not little_endian)):
  *                     raise ValueError(u"Non-native byte order not supported")
  *                 if   t == NPY_BYTE:        f = "b"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_UBYTE:       f = "B"
  *                 elif t == NPY_SHORT:       f = "h"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_BYTE);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__b;
-      goto __pyx_L13;
-    }
+      case NPY_BYTE:
+      __pyx_v_f = __pyx_k_b;
+      break;
 
-    /* "numpy.pxd":259
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":259
  *                     raise ValueError(u"Non-native byte order not supported")
  *                 if   t == NPY_BYTE:        f = "b"
  *                 elif t == NPY_UBYTE:       f = "B"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_SHORT:       f = "h"
  *                 elif t == NPY_USHORT:      f = "H"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_UBYTE);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__B;
-      goto __pyx_L13;
-    }
+      case NPY_UBYTE:
+      __pyx_v_f = __pyx_k_B;
+      break;
 
-    /* "numpy.pxd":260
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":260
  *                 if   t == NPY_BYTE:        f = "b"
  *                 elif t == NPY_UBYTE:       f = "B"
  *                 elif t == NPY_SHORT:       f = "h"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_USHORT:      f = "H"
  *                 elif t == NPY_INT:         f = "i"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_SHORT);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__h;
-      goto __pyx_L13;
-    }
+      case NPY_SHORT:
+      __pyx_v_f = __pyx_k_h;
+      break;
 
-    /* "numpy.pxd":261
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":261
  *                 elif t == NPY_UBYTE:       f = "B"
  *                 elif t == NPY_SHORT:       f = "h"
  *                 elif t == NPY_USHORT:      f = "H"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_INT:         f = "i"
  *                 elif t == NPY_UINT:        f = "I"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_USHORT);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__H;
-      goto __pyx_L13;
-    }
+      case NPY_USHORT:
+      __pyx_v_f = __pyx_k_H;
+      break;
 
-    /* "numpy.pxd":262
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":262
  *                 elif t == NPY_SHORT:       f = "h"
  *                 elif t == NPY_USHORT:      f = "H"
  *                 elif t == NPY_INT:         f = "i"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_UINT:        f = "I"
  *                 elif t == NPY_LONG:        f = "l"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_INT);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__i;
-      goto __pyx_L13;
-    }
+      case NPY_INT:
+      __pyx_v_f = __pyx_k_i;
+      break;
 
-    /* "numpy.pxd":263
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":263
  *                 elif t == NPY_USHORT:      f = "H"
  *                 elif t == NPY_INT:         f = "i"
  *                 elif t == NPY_UINT:        f = "I"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_LONG:        f = "l"
  *                 elif t == NPY_ULONG:       f = "L"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_UINT);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__I;
-      goto __pyx_L13;
-    }
+      case NPY_UINT:
+      __pyx_v_f = __pyx_k_I;
+      break;
 
-    /* "numpy.pxd":264
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":264
  *                 elif t == NPY_INT:         f = "i"
  *                 elif t == NPY_UINT:        f = "I"
  *                 elif t == NPY_LONG:        f = "l"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_ULONG:       f = "L"
  *                 elif t == NPY_LONGLONG:    f = "q"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_LONG);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__l;
-      goto __pyx_L13;
-    }
+      case NPY_LONG:
+      __pyx_v_f = __pyx_k_l;
+      break;
 
-    /* "numpy.pxd":265
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":265
  *                 elif t == NPY_UINT:        f = "I"
  *                 elif t == NPY_LONG:        f = "l"
  *                 elif t == NPY_ULONG:       f = "L"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_LONGLONG:    f = "q"
  *                 elif t == NPY_ULONGLONG:   f = "Q"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_ULONG);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__L;
-      goto __pyx_L13;
-    }
+      case NPY_ULONG:
+      __pyx_v_f = __pyx_k_L;
+      break;
 
-    /* "numpy.pxd":266
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":266
  *                 elif t == NPY_LONG:        f = "l"
  *                 elif t == NPY_ULONG:       f = "L"
  *                 elif t == NPY_LONGLONG:    f = "q"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_ULONGLONG:   f = "Q"
  *                 elif t == NPY_FLOAT:       f = "f"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_LONGLONG);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__q;
-      goto __pyx_L13;
-    }
+      case NPY_LONGLONG:
+      __pyx_v_f = __pyx_k_q;
+      break;
 
-    /* "numpy.pxd":267
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":267
  *                 elif t == NPY_ULONG:       f = "L"
  *                 elif t == NPY_LONGLONG:    f = "q"
  *                 elif t == NPY_ULONGLONG:   f = "Q"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_FLOAT:       f = "f"
  *                 elif t == NPY_DOUBLE:      f = "d"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_ULONGLONG);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__Q;
-      goto __pyx_L13;
-    }
+      case NPY_ULONGLONG:
+      __pyx_v_f = __pyx_k_Q;
+      break;
 
-    /* "numpy.pxd":268
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":268
  *                 elif t == NPY_LONGLONG:    f = "q"
  *                 elif t == NPY_ULONGLONG:   f = "Q"
  *                 elif t == NPY_FLOAT:       f = "f"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_DOUBLE:      f = "d"
  *                 elif t == NPY_LONGDOUBLE:  f = "g"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_FLOAT);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__f;
-      goto __pyx_L13;
-    }
+      case NPY_FLOAT:
+      __pyx_v_f = __pyx_k_f;
+      break;
 
-    /* "numpy.pxd":269
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":269
  *                 elif t == NPY_ULONGLONG:   f = "Q"
  *                 elif t == NPY_FLOAT:       f = "f"
  *                 elif t == NPY_DOUBLE:      f = "d"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_LONGDOUBLE:  f = "g"
  *                 elif t == NPY_CFLOAT:      f = "Zf"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_DOUBLE);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__d;
-      goto __pyx_L13;
-    }
+      case NPY_DOUBLE:
+      __pyx_v_f = __pyx_k_d;
+      break;
 
-    /* "numpy.pxd":270
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":270
  *                 elif t == NPY_FLOAT:       f = "f"
  *                 elif t == NPY_DOUBLE:      f = "d"
  *                 elif t == NPY_LONGDOUBLE:  f = "g"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_CFLOAT:      f = "Zf"
  *                 elif t == NPY_CDOUBLE:     f = "Zd"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_LONGDOUBLE);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__g;
-      goto __pyx_L13;
-    }
+      case NPY_LONGDOUBLE:
+      __pyx_v_f = __pyx_k_g;
+      break;
 
-    /* "numpy.pxd":271
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":271
  *                 elif t == NPY_DOUBLE:      f = "d"
  *                 elif t == NPY_LONGDOUBLE:  f = "g"
  *                 elif t == NPY_CFLOAT:      f = "Zf"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_CDOUBLE:     f = "Zd"
  *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_CFLOAT);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__Zf;
-      goto __pyx_L13;
-    }
+      case NPY_CFLOAT:
+      __pyx_v_f = __pyx_k_Zf;
+      break;
 
-    /* "numpy.pxd":272
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":272
  *                 elif t == NPY_LONGDOUBLE:  f = "g"
  *                 elif t == NPY_CFLOAT:      f = "Zf"
  *                 elif t == NPY_CDOUBLE:     f = "Zd"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
  *                 elif t == NPY_OBJECT:      f = "O"
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_CDOUBLE);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__Zd;
-      goto __pyx_L13;
-    }
+      case NPY_CDOUBLE:
+      __pyx_v_f = __pyx_k_Zd;
+      break;
 
-    /* "numpy.pxd":273
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":273
  *                 elif t == NPY_CFLOAT:      f = "Zf"
  *                 elif t == NPY_CDOUBLE:     f = "Zd"
  *                 elif t == NPY_CLONGDOUBLE: f = "Zg"             # <<<<<<<<<<<<<<
  *                 elif t == NPY_OBJECT:      f = "O"
  *                 else:
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_CLONGDOUBLE);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__Zg;
-      goto __pyx_L13;
-    }
+      case NPY_CLONGDOUBLE:
+      __pyx_v_f = __pyx_k_Zg;
+      break;
 
-    /* "numpy.pxd":274
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":274
  *                 elif t == NPY_CDOUBLE:     f = "Zd"
  *                 elif t == NPY_CLONGDOUBLE: f = "Zg"
  *                 elif t == NPY_OBJECT:      f = "O"             # <<<<<<<<<<<<<<
  *                 else:
  *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
  */
-    __pyx_t_1 = (__pyx_v_t == NPY_OBJECT);
-    if (__pyx_t_1) {
-      __pyx_v_f = __pyx_k__O;
-      goto __pyx_L13;
-    }
-    /*else*/ {
+      case NPY_OBJECT:
+      __pyx_v_f = __pyx_k_O;
+      break;
+      default:
 
-      /* "numpy.pxd":276
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":276
  *                 elif t == NPY_OBJECT:      f = "O"
  *                 else:
  *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
  *                 info.format = f
  *                 return
  */
-      __pyx_t_4 = PyInt_FromLong(__pyx_v_t); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = __Pyx_PyInt_From_int(__pyx_v_t); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_8 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_21), __pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(((PyObject *)__pyx_t_8));
+      __pyx_t_8 = PyUnicode_Format(__pyx_kp_u_unknown_dtype_code_in_numpy_pxd, __pyx_t_4); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_8);
       __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
-      PyTuple_SET_ITEM(__pyx_t_4, 0, ((PyObject *)__pyx_t_8));
-      __Pyx_GIVEREF(((PyObject *)__pyx_t_8));
+      PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_8);
+      __Pyx_GIVEREF(__pyx_t_8);
       __pyx_t_8 = 0;
-      __pyx_t_8 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_4), NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_8 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_t_4, NULL); if (unlikely(!__pyx_t_8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_8);
-      __Pyx_DECREF(((PyObject *)__pyx_t_4)); __pyx_t_4 = 0;
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
       __Pyx_Raise(__pyx_t_8, 0, 0, 0);
       __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
       {__pyx_filename = __pyx_f[1]; __pyx_lineno = 276; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      break;
     }
-    __pyx_L13:;
 
-    /* "numpy.pxd":277
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":277
  *                 else:
  *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
  *                 info.format = f             # <<<<<<<<<<<<<<
@@ -4080,7 +4388,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     __pyx_v_info->format = __pyx_v_f;
 
-    /* "numpy.pxd":278
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":278
  *                     raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
  *                 info.format = f
  *                 return             # <<<<<<<<<<<<<<
@@ -4089,11 +4397,10 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     __pyx_r = 0;
     goto __pyx_L0;
-    goto __pyx_L11;
   }
   /*else*/ {
 
-    /* "numpy.pxd":280
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":280
  *                 return
  *             else:
  *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)             # <<<<<<<<<<<<<<
@@ -4102,7 +4409,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     __pyx_v_info->format = ((char *)malloc(255));
 
-    /* "numpy.pxd":281
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":281
  *             else:
  *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
  *                 info.format[0] = c'^' # Native data types, manual alignment             # <<<<<<<<<<<<<<
@@ -4111,7 +4418,7 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     (__pyx_v_info->format[0]) = '^';
 
-    /* "numpy.pxd":282
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":282
  *                 info.format = <char*>stdlib.malloc(_buffer_format_string_len)
  *                 info.format[0] = c'^' # Native data types, manual alignment
  *                 offset = 0             # <<<<<<<<<<<<<<
@@ -4120,17 +4427,17 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     __pyx_v_offset = 0;
 
-    /* "numpy.pxd":285
- *                 f = _util_dtypestring(descr, info.format + 1,
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":283
+ *                 info.format[0] = c'^' # Native data types, manual alignment
+ *                 offset = 0
+ *                 f = _util_dtypestring(descr, info.format + 1,             # <<<<<<<<<<<<<<
  *                                       info.format + _buffer_format_string_len,
- *                                       &offset)             # <<<<<<<<<<<<<<
- *                 f[0] = c'\0' # Terminate format string
- * 
+ *                                       &offset)
  */
     __pyx_t_9 = __pyx_f_5numpy__util_dtypestring(__pyx_v_descr, (__pyx_v_info->format + 1), (__pyx_v_info->format + 255), (&__pyx_v_offset)); if (unlikely(__pyx_t_9 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 283; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __pyx_v_f = __pyx_t_9;
 
-    /* "numpy.pxd":286
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":286
  *                                       info.format + _buffer_format_string_len,
  *                                       &offset)
  *                 f[0] = c'\0' # Terminate format string             # <<<<<<<<<<<<<<
@@ -4139,8 +4446,16 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
  */
     (__pyx_v_f[0]) = '\x00';
   }
-  __pyx_L11:;
 
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":194
+ *         # experimental exception made for __getbuffer__ and __releasebuffer__
+ *         # -- the details of this may change.
+ *         def __getbuffer__(ndarray self, Py_buffer* info, int flags):             # <<<<<<<<<<<<<<
+ *             # This implementation of getbuffer is geared towards Cython
+ *             # requirements, and does not yet fullfill the PEP.
+ */
+
+  /* function exit code */
   __pyx_r = 0;
   goto __pyx_L0;
   __pyx_L1_error:;
@@ -4164,39 +4479,41 @@ static int __pyx_pf_5numpy_7ndarray___getbuffer__(PyArrayObject *__pyx_v_self, P
   return __pyx_r;
 }
 
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":288
+ *                 f[0] = c'\0' # Terminate format string
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ */
+
 /* Python wrapper */
 static CYTHON_UNUSED void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info); /*proto*/
 static CYTHON_UNUSED void __pyx_pw_5numpy_7ndarray_3__releasebuffer__(PyObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__releasebuffer__ (wrapper)", 0);
   __pyx_pf_5numpy_7ndarray_2__releasebuffer__(((PyArrayObject *)__pyx_v_self), ((Py_buffer *)__pyx_v_info));
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
 }
 
-/* "numpy.pxd":288
- *                 f[0] = c'\0' # Terminate format string
- * 
- *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
- *             if PyArray_HASFIELDS(self):
- *                 stdlib.free(info.format)
- */
-
 static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_self, Py_buffer *__pyx_v_info) {
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("__releasebuffer__", 0);
 
-  /* "numpy.pxd":289
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":289
  * 
  *         def __releasebuffer__(ndarray self, Py_buffer* info):
  *             if PyArray_HASFIELDS(self):             # <<<<<<<<<<<<<<
  *                 stdlib.free(info.format)
  *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
  */
-  __pyx_t_1 = PyArray_HASFIELDS(__pyx_v_self);
+  __pyx_t_1 = (PyArray_HASFIELDS(__pyx_v_self) != 0);
   if (__pyx_t_1) {
 
-    /* "numpy.pxd":290
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":290
  *         def __releasebuffer__(ndarray self, Py_buffer* info):
  *             if PyArray_HASFIELDS(self):
  *                 stdlib.free(info.format)             # <<<<<<<<<<<<<<
@@ -4208,17 +4525,17 @@ static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_s
   }
   __pyx_L3:;
 
-  /* "numpy.pxd":291
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":291
  *             if PyArray_HASFIELDS(self):
  *                 stdlib.free(info.format)
  *             if sizeof(npy_intp) != sizeof(Py_ssize_t):             # <<<<<<<<<<<<<<
  *                 stdlib.free(info.strides)
  *                 # info.shape was stored after info.strides in the same block
  */
-  __pyx_t_1 = ((sizeof(npy_intp)) != (sizeof(Py_ssize_t)));
+  __pyx_t_1 = (((sizeof(npy_intp)) != (sizeof(Py_ssize_t))) != 0);
   if (__pyx_t_1) {
 
-    /* "numpy.pxd":292
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":292
  *                 stdlib.free(info.format)
  *             if sizeof(npy_intp) != sizeof(Py_ssize_t):
  *                 stdlib.free(info.strides)             # <<<<<<<<<<<<<<
@@ -4230,10 +4547,19 @@ static void __pyx_pf_5numpy_7ndarray_2__releasebuffer__(PyArrayObject *__pyx_v_s
   }
   __pyx_L4:;
 
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":288
+ *                 f[0] = c'\0' # Terminate format string
+ * 
+ *         def __releasebuffer__(ndarray self, Py_buffer* info):             # <<<<<<<<<<<<<<
+ *             if PyArray_HASFIELDS(self):
+ *                 stdlib.free(info.format)
+ */
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
 }
 
-/* "numpy.pxd":768
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":768
  * ctypedef npy_cdouble     complex_t
  * 
  * cdef inline object PyArray_MultiIterNew1(a):             # <<<<<<<<<<<<<<
@@ -4250,7 +4576,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("PyArray_MultiIterNew1", 0);
 
-  /* "numpy.pxd":769
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":769
  * 
  * cdef inline object PyArray_MultiIterNew1(a):
  *     return PyArray_MultiIterNew(1, <void*>a)             # <<<<<<<<<<<<<<
@@ -4264,8 +4590,15 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":768
+ * ctypedef npy_cdouble     complex_t
+ * 
+ * cdef inline object PyArray_MultiIterNew1(a):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ */
+
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("numpy.PyArray_MultiIterNew1", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -4276,7 +4609,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew1(PyObject *__
   return __pyx_r;
 }
 
-/* "numpy.pxd":771
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":771
  *     return PyArray_MultiIterNew(1, <void*>a)
  * 
  * cdef inline object PyArray_MultiIterNew2(a, b):             # <<<<<<<<<<<<<<
@@ -4293,7 +4626,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("PyArray_MultiIterNew2", 0);
 
-  /* "numpy.pxd":772
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":772
  * 
  * cdef inline object PyArray_MultiIterNew2(a, b):
  *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)             # <<<<<<<<<<<<<<
@@ -4307,8 +4640,15 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":771
+ *     return PyArray_MultiIterNew(1, <void*>a)
+ * 
+ * cdef inline object PyArray_MultiIterNew2(a, b):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ */
+
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("numpy.PyArray_MultiIterNew2", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -4319,7 +4659,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew2(PyObject *__
   return __pyx_r;
 }
 
-/* "numpy.pxd":774
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":774
  *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
  * 
  * cdef inline object PyArray_MultiIterNew3(a, b, c):             # <<<<<<<<<<<<<<
@@ -4336,7 +4676,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("PyArray_MultiIterNew3", 0);
 
-  /* "numpy.pxd":775
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":775
  * 
  * cdef inline object PyArray_MultiIterNew3(a, b, c):
  *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)             # <<<<<<<<<<<<<<
@@ -4350,8 +4690,15 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":774
+ *     return PyArray_MultiIterNew(2, <void*>a, <void*>b)
+ * 
+ * cdef inline object PyArray_MultiIterNew3(a, b, c):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ */
+
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("numpy.PyArray_MultiIterNew3", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -4362,7 +4709,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew3(PyObject *__
   return __pyx_r;
 }
 
-/* "numpy.pxd":777
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":777
  *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
  * 
  * cdef inline object PyArray_MultiIterNew4(a, b, c, d):             # <<<<<<<<<<<<<<
@@ -4379,7 +4726,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("PyArray_MultiIterNew4", 0);
 
-  /* "numpy.pxd":778
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":778
  * 
  * cdef inline object PyArray_MultiIterNew4(a, b, c, d):
  *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)             # <<<<<<<<<<<<<<
@@ -4393,8 +4740,15 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":777
+ *     return PyArray_MultiIterNew(3, <void*>a, <void*>b, <void*> c)
+ * 
+ * cdef inline object PyArray_MultiIterNew4(a, b, c, d):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ */
+
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("numpy.PyArray_MultiIterNew4", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -4405,7 +4759,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew4(PyObject *__
   return __pyx_r;
 }
 
-/* "numpy.pxd":780
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":780
  *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
  * 
  * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):             # <<<<<<<<<<<<<<
@@ -4422,7 +4776,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("PyArray_MultiIterNew5", 0);
 
-  /* "numpy.pxd":781
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":781
  * 
  * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):
  *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)             # <<<<<<<<<<<<<<
@@ -4436,8 +4790,15 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__
   __pyx_t_1 = 0;
   goto __pyx_L0;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
-  goto __pyx_L0;
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":780
+ *     return PyArray_MultiIterNew(4, <void*>a, <void*>b, <void*>c, <void*> d)
+ * 
+ * cdef inline object PyArray_MultiIterNew5(a, b, c, d, e):             # <<<<<<<<<<<<<<
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ */
+
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_AddTraceback("numpy.PyArray_MultiIterNew5", __pyx_clineno, __pyx_lineno, __pyx_filename);
@@ -4448,7 +4809,7 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_PyArray_MultiIterNew5(PyObject *__
   return __pyx_r;
 }
 
-/* "numpy.pxd":783
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":783
  *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
  * 
  * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:             # <<<<<<<<<<<<<<
@@ -4470,20 +4831,19 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
   Py_ssize_t __pyx_t_2;
   PyObject *__pyx_t_3 = NULL;
   PyObject *__pyx_t_4 = NULL;
-  PyObject *__pyx_t_5 = NULL;
-  PyObject *(*__pyx_t_6)(PyObject *);
+  int __pyx_t_5;
+  int __pyx_t_6;
   int __pyx_t_7;
   int __pyx_t_8;
   int __pyx_t_9;
-  int __pyx_t_10;
-  long __pyx_t_11;
-  char *__pyx_t_12;
+  long __pyx_t_10;
+  char *__pyx_t_11;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("_util_dtypestring", 0);
 
-  /* "numpy.pxd":790
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":790
  *     cdef int delta_offset
  *     cdef tuple i
  *     cdef int endian_detector = 1             # <<<<<<<<<<<<<<
@@ -4492,7 +4852,7 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  */
   __pyx_v_endian_detector = 1;
 
-  /* "numpy.pxd":791
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":791
  *     cdef tuple i
  *     cdef int endian_detector = 1
  *     cdef bint little_endian = ((<char*>&endian_detector)[0] != 0)             # <<<<<<<<<<<<<<
@@ -4501,18 +4861,18 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  */
   __pyx_v_little_endian = ((((char *)(&__pyx_v_endian_detector))[0]) != 0);
 
-  /* "numpy.pxd":794
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":794
  *     cdef tuple fields
  * 
  *     for childname in descr.names:             # <<<<<<<<<<<<<<
  *         fields = descr.fields[childname]
  *         child, new_offset = fields
  */
-  if (unlikely(((PyObject *)__pyx_v_descr->names) == Py_None)) {
+  if (unlikely(__pyx_v_descr->names == Py_None)) {
     PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
     {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   }
-  __pyx_t_1 = ((PyObject *)__pyx_v_descr->names); __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
+  __pyx_t_1 = __pyx_v_descr->names; __Pyx_INCREF(__pyx_t_1); __pyx_t_2 = 0;
   for (;;) {
     if (__pyx_t_2 >= PyTuple_GET_SIZE(__pyx_t_1)) break;
     #if CYTHON_COMPILING_IN_CPYTHON
@@ -4520,33 +4880,31 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
     #else
     __pyx_t_3 = PySequence_ITEM(__pyx_t_1, __pyx_t_2); __pyx_t_2++; if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 794; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     #endif
-    __Pyx_XDECREF(__pyx_v_childname);
-    __pyx_v_childname = __pyx_t_3;
+    __Pyx_XDECREF_SET(__pyx_v_childname, __pyx_t_3);
     __pyx_t_3 = 0;
 
-    /* "numpy.pxd":795
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":795
  * 
  *     for childname in descr.names:
  *         fields = descr.fields[childname]             # <<<<<<<<<<<<<<
  *         child, new_offset = fields
  * 
  */
-    __pyx_t_3 = PyObject_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (!__pyx_t_3) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyObject_GetItem(__pyx_v_descr->fields, __pyx_v_childname); if (unlikely(__pyx_t_3 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
     __Pyx_GOTREF(__pyx_t_3);
-    if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected tuple, got %.200s", Py_TYPE(__pyx_t_3)->tp_name), 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_XDECREF(((PyObject *)__pyx_v_fields));
-    __pyx_v_fields = ((PyObject*)__pyx_t_3);
+    if (!(likely(PyTuple_CheckExact(__pyx_t_3))||((__pyx_t_3) == Py_None)||(PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "tuple", Py_TYPE(__pyx_t_3)->tp_name), 0))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 795; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __Pyx_XDECREF_SET(__pyx_v_fields, ((PyObject*)__pyx_t_3));
     __pyx_t_3 = 0;
 
-    /* "numpy.pxd":796
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":796
  *     for childname in descr.names:
  *         fields = descr.fields[childname]
  *         child, new_offset = fields             # <<<<<<<<<<<<<<
  * 
- *         if (end - f) - (new_offset - offset[0]) < 15:
+ *         if (end - f) - <int>(new_offset - offset[0]) < 15:
  */
-    if (likely(PyTuple_CheckExact(((PyObject *)__pyx_v_fields)))) {
-      PyObject* sequence = ((PyObject *)__pyx_v_fields);
+    if (likely(__pyx_v_fields != Py_None)) {
+      PyObject* sequence = __pyx_v_fields;
       #if CYTHON_COMPILING_IN_CPYTHON
       Py_ssize_t size = Py_SIZE(sequence);
       #else
@@ -4568,129 +4926,96 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
       __pyx_t_4 = PySequence_ITEM(sequence, 1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_GOTREF(__pyx_t_4);
       #endif
-    } else if (1) {
+    } else {
       __Pyx_RaiseNoneNotIterableError(); {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    } else
-    {
-      Py_ssize_t index = -1;
-      __pyx_t_5 = PyObject_GetIter(((PyObject *)__pyx_v_fields)); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_6 = Py_TYPE(__pyx_t_5)->tp_iternext;
-      index = 0; __pyx_t_3 = __pyx_t_6(__pyx_t_5); if (unlikely(!__pyx_t_3)) goto __pyx_L5_unpacking_failed;
-      __Pyx_GOTREF(__pyx_t_3);
-      index = 1; __pyx_t_4 = __pyx_t_6(__pyx_t_5); if (unlikely(!__pyx_t_4)) goto __pyx_L5_unpacking_failed;
-      __Pyx_GOTREF(__pyx_t_4);
-      if (__Pyx_IternextUnpackEndCheck(__pyx_t_6(__pyx_t_5), 2) < 0) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_t_6 = NULL;
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      goto __pyx_L6_unpacking_done;
-      __pyx_L5_unpacking_failed:;
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_6 = NULL;
-      if (__Pyx_IterFinish() == 0) __Pyx_RaiseNeedMoreValuesError(index);
-      {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_L6_unpacking_done:;
     }
     if (!(likely(((__pyx_t_3) == Py_None) || likely(__Pyx_TypeTest(__pyx_t_3, __pyx_ptype_5numpy_dtype))))) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 796; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_XDECREF(((PyObject *)__pyx_v_child));
-    __pyx_v_child = ((PyArray_Descr *)__pyx_t_3);
+    __Pyx_XDECREF_SET(__pyx_v_child, ((PyArray_Descr *)__pyx_t_3));
     __pyx_t_3 = 0;
-    __Pyx_XDECREF(__pyx_v_new_offset);
-    __pyx_v_new_offset = __pyx_t_4;
+    __Pyx_XDECREF_SET(__pyx_v_new_offset, __pyx_t_4);
     __pyx_t_4 = 0;
 
-    /* "numpy.pxd":798
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":798
  *         child, new_offset = fields
  * 
- *         if (end - f) - (new_offset - offset[0]) < 15:             # <<<<<<<<<<<<<<
+ *         if (end - f) - <int>(new_offset - offset[0]) < 15:             # <<<<<<<<<<<<<<
  *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
  * 
  */
-    __pyx_t_4 = PyInt_FromLong((__pyx_v_end - __pyx_v_f)); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_4 = __Pyx_PyInt_From_int((__pyx_v_offset[0])); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_4);
-    __pyx_t_3 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_3);
-    __pyx_t_5 = PyNumber_Subtract(__pyx_v_new_offset, __pyx_t_3); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_GOTREF(__pyx_t_5);
-    __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_3 = PyNumber_Subtract(__pyx_t_4, __pyx_t_5); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_3 = PyNumber_Subtract(__pyx_v_new_offset, __pyx_t_4); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
-    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    __pyx_t_5 = PyObject_RichCompare(__pyx_t_3, __pyx_int_15, Py_LT); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    __pyx_t_5 = __Pyx_PyInt_As_int(__pyx_t_3); if (unlikely((__pyx_t_5 == (int)-1) && PyErr_Occurred())) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 798; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-    if (__pyx_t_7) {
+    __pyx_t_6 = ((((__pyx_v_end - __pyx_v_f) - ((int)__pyx_t_5)) < 15) != 0);
+    if (__pyx_t_6) {
 
-      /* "numpy.pxd":799
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":799
  * 
- *         if (end - f) - (new_offset - offset[0]) < 15:
+ *         if (end - f) - <int>(new_offset - offset[0]) < 15:
  *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
  * 
  *         if ((child.byteorder == c'>' and little_endian) or
  */
-      __pyx_t_5 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_23), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeError, __pyx_tuple__10, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
       {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      goto __pyx_L7;
     }
-    __pyx_L7:;
 
-    /* "numpy.pxd":801
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":801
  *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")
  * 
  *         if ((child.byteorder == c'>' and little_endian) or             # <<<<<<<<<<<<<<
  *             (child.byteorder == c'<' and not little_endian)):
  *             raise ValueError(u"Non-native byte order not supported")
  */
-    __pyx_t_7 = (__pyx_v_child->byteorder == '>');
-    if (__pyx_t_7) {
-      __pyx_t_8 = __pyx_v_little_endian;
+    __pyx_t_6 = ((__pyx_v_child->byteorder == '>') != 0);
+    if (__pyx_t_6) {
+      __pyx_t_7 = (__pyx_v_little_endian != 0);
     } else {
-      __pyx_t_8 = __pyx_t_7;
+      __pyx_t_7 = __pyx_t_6;
     }
-    if (!__pyx_t_8) {
+    if (!__pyx_t_7) {
 
-      /* "numpy.pxd":802
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":802
  * 
  *         if ((child.byteorder == c'>' and little_endian) or
  *             (child.byteorder == c'<' and not little_endian)):             # <<<<<<<<<<<<<<
  *             raise ValueError(u"Non-native byte order not supported")
  *             # One could encode it in the format string and have Cython
  */
-      __pyx_t_7 = (__pyx_v_child->byteorder == '<');
-      if (__pyx_t_7) {
-        __pyx_t_9 = (!__pyx_v_little_endian);
-        __pyx_t_10 = __pyx_t_9;
+      __pyx_t_6 = ((__pyx_v_child->byteorder == '<') != 0);
+      if (__pyx_t_6) {
+        __pyx_t_8 = ((!(__pyx_v_little_endian != 0)) != 0);
+        __pyx_t_9 = __pyx_t_8;
       } else {
-        __pyx_t_10 = __pyx_t_7;
+        __pyx_t_9 = __pyx_t_6;
       }
-      __pyx_t_7 = __pyx_t_10;
+      __pyx_t_6 = __pyx_t_9;
     } else {
-      __pyx_t_7 = __pyx_t_8;
+      __pyx_t_6 = __pyx_t_7;
     }
-    if (__pyx_t_7) {
+    if (__pyx_t_6) {
 
-      /* "numpy.pxd":803
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":803
  *         if ((child.byteorder == c'>' and little_endian) or
  *             (child.byteorder == c'<' and not little_endian)):
  *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
  *             # One could encode it in the format string and have Cython
  *             # complain instead, BUT: < and > in format strings also imply
  */
-      __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_k_tuple_24), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __Pyx_Raise(__pyx_t_5, 0, 0, 0);
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+      __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple__11, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+      __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
       {__pyx_filename = __pyx_f[1]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      goto __pyx_L8;
     }
-    __pyx_L8:;
 
-    /* "numpy.pxd":813
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":813
  * 
  *         # Output padding bytes
  *         while offset[0] < new_offset:             # <<<<<<<<<<<<<<
@@ -4698,15 +5023,15 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  *             f += 1
  */
     while (1) {
-      __pyx_t_5 = PyInt_FromLong((__pyx_v_offset[0])); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_t_5, __pyx_v_new_offset, Py_LT); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = __Pyx_PyInt_From_int((__pyx_v_offset[0])); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_t_3, __pyx_v_new_offset, Py_LT); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (!__pyx_t_7) break;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 813; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (!__pyx_t_6) break;
 
-      /* "numpy.pxd":814
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":814
  *         # Output padding bytes
  *         while offset[0] < new_offset:
  *             f[0] = 120 # "x"; pad byte             # <<<<<<<<<<<<<<
@@ -4715,7 +5040,7 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  */
       (__pyx_v_f[0]) = 120;
 
-      /* "numpy.pxd":815
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":815
  *         while offset[0] < new_offset:
  *             f[0] = 120 # "x"; pad byte
  *             f += 1             # <<<<<<<<<<<<<<
@@ -4724,413 +5049,410 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  */
       __pyx_v_f = (__pyx_v_f + 1);
 
-      /* "numpy.pxd":816
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":816
  *             f[0] = 120 # "x"; pad byte
  *             f += 1
  *             offset[0] += 1             # <<<<<<<<<<<<<<
  * 
  *         offset[0] += child.itemsize
  */
-      __pyx_t_11 = 0;
-      (__pyx_v_offset[__pyx_t_11]) = ((__pyx_v_offset[__pyx_t_11]) + 1);
+      __pyx_t_10 = 0;
+      (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + 1);
     }
 
-    /* "numpy.pxd":818
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":818
  *             offset[0] += 1
  * 
  *         offset[0] += child.itemsize             # <<<<<<<<<<<<<<
  * 
  *         if not PyDataType_HASFIELDS(child):
  */
-    __pyx_t_11 = 0;
-    (__pyx_v_offset[__pyx_t_11]) = ((__pyx_v_offset[__pyx_t_11]) + __pyx_v_child->elsize);
+    __pyx_t_10 = 0;
+    (__pyx_v_offset[__pyx_t_10]) = ((__pyx_v_offset[__pyx_t_10]) + __pyx_v_child->elsize);
 
-    /* "numpy.pxd":820
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":820
  *         offset[0] += child.itemsize
  * 
  *         if not PyDataType_HASFIELDS(child):             # <<<<<<<<<<<<<<
  *             t = child.type_num
  *             if end - f < 5:
  */
-    __pyx_t_7 = (!PyDataType_HASFIELDS(__pyx_v_child));
-    if (__pyx_t_7) {
+    __pyx_t_6 = ((!(PyDataType_HASFIELDS(__pyx_v_child) != 0)) != 0);
+    if (__pyx_t_6) {
 
-      /* "numpy.pxd":821
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":821
  * 
  *         if not PyDataType_HASFIELDS(child):
  *             t = child.type_num             # <<<<<<<<<<<<<<
  *             if end - f < 5:
  *                 raise RuntimeError(u"Format string allocated too short.")
  */
-      __pyx_t_3 = PyInt_FromLong(__pyx_v_child->type_num); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 821; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __Pyx_XDECREF(__pyx_v_t);
-      __pyx_v_t = __pyx_t_3;
-      __pyx_t_3 = 0;
+      __pyx_t_4 = __Pyx_PyInt_From_int(__pyx_v_child->type_num); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 821; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __Pyx_XDECREF_SET(__pyx_v_t, __pyx_t_4);
+      __pyx_t_4 = 0;
 
-      /* "numpy.pxd":822
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":822
  *         if not PyDataType_HASFIELDS(child):
  *             t = child.type_num
  *             if end - f < 5:             # <<<<<<<<<<<<<<
  *                 raise RuntimeError(u"Format string allocated too short.")
  * 
  */
-      __pyx_t_7 = ((__pyx_v_end - __pyx_v_f) < 5);
-      if (__pyx_t_7) {
+      __pyx_t_6 = (((__pyx_v_end - __pyx_v_f) < 5) != 0);
+      if (__pyx_t_6) {
 
-        /* "numpy.pxd":823
+        /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":823
  *             t = child.type_num
  *             if end - f < 5:
  *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
  * 
  *             # Until ticket #99 is fixed, use integers to avoid warnings
  */
-        __pyx_t_3 = PyObject_Call(__pyx_builtin_RuntimeError, ((PyObject *)__pyx_k_tuple_26), NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_3);
-        __Pyx_Raise(__pyx_t_3, 0, 0, 0);
-        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
+        __pyx_t_4 = __Pyx_PyObject_Call(__pyx_builtin_RuntimeError, __pyx_tuple__12, NULL); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_4);
+        __Pyx_Raise(__pyx_t_4, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
         {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        goto __pyx_L12;
       }
-      __pyx_L12:;
 
-      /* "numpy.pxd":826
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":826
  * 
  *             # Until ticket #99 is fixed, use integers to avoid warnings
  *             if   t == NPY_BYTE:        f[0] =  98 #"b"             # <<<<<<<<<<<<<<
  *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
  *             elif t == NPY_SHORT:       f[0] = 104 #"h"
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_BYTE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_BYTE); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 826; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 98;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":827
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":827
  *             # Until ticket #99 is fixed, use integers to avoid warnings
  *             if   t == NPY_BYTE:        f[0] =  98 #"b"
  *             elif t == NPY_UBYTE:       f[0] =  66 #"B"             # <<<<<<<<<<<<<<
  *             elif t == NPY_SHORT:       f[0] = 104 #"h"
  *             elif t == NPY_USHORT:      f[0] =  72 #"H"
  */
-      __pyx_t_5 = PyInt_FromLong(NPY_UBYTE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(NPY_UBYTE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (__pyx_t_7) {
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 827; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 66;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":828
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":828
  *             if   t == NPY_BYTE:        f[0] =  98 #"b"
  *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
  *             elif t == NPY_SHORT:       f[0] = 104 #"h"             # <<<<<<<<<<<<<<
  *             elif t == NPY_USHORT:      f[0] =  72 #"H"
  *             elif t == NPY_INT:         f[0] = 105 #"i"
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_SHORT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_SHORT); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 828; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 104;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":829
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":829
  *             elif t == NPY_UBYTE:       f[0] =  66 #"B"
  *             elif t == NPY_SHORT:       f[0] = 104 #"h"
  *             elif t == NPY_USHORT:      f[0] =  72 #"H"             # <<<<<<<<<<<<<<
  *             elif t == NPY_INT:         f[0] = 105 #"i"
  *             elif t == NPY_UINT:        f[0] =  73 #"I"
  */
-      __pyx_t_5 = PyInt_FromLong(NPY_USHORT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(NPY_USHORT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (__pyx_t_7) {
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 829; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 72;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":830
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":830
  *             elif t == NPY_SHORT:       f[0] = 104 #"h"
  *             elif t == NPY_USHORT:      f[0] =  72 #"H"
  *             elif t == NPY_INT:         f[0] = 105 #"i"             # <<<<<<<<<<<<<<
  *             elif t == NPY_UINT:        f[0] =  73 #"I"
  *             elif t == NPY_LONG:        f[0] = 108 #"l"
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_INT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_INT); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 830; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 105;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":831
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":831
  *             elif t == NPY_USHORT:      f[0] =  72 #"H"
  *             elif t == NPY_INT:         f[0] = 105 #"i"
  *             elif t == NPY_UINT:        f[0] =  73 #"I"             # <<<<<<<<<<<<<<
  *             elif t == NPY_LONG:        f[0] = 108 #"l"
  *             elif t == NPY_ULONG:       f[0] = 76  #"L"
  */
-      __pyx_t_5 = PyInt_FromLong(NPY_UINT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(NPY_UINT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (__pyx_t_7) {
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 831; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 73;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":832
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":832
  *             elif t == NPY_INT:         f[0] = 105 #"i"
  *             elif t == NPY_UINT:        f[0] =  73 #"I"
  *             elif t == NPY_LONG:        f[0] = 108 #"l"             # <<<<<<<<<<<<<<
  *             elif t == NPY_ULONG:       f[0] = 76  #"L"
  *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_LONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_LONG); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 832; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 108;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":833
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":833
  *             elif t == NPY_UINT:        f[0] =  73 #"I"
  *             elif t == NPY_LONG:        f[0] = 108 #"l"
  *             elif t == NPY_ULONG:       f[0] = 76  #"L"             # <<<<<<<<<<<<<<
  *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
  *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
  */
-      __pyx_t_5 = PyInt_FromLong(NPY_ULONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(NPY_ULONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (__pyx_t_7) {
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 833; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 76;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":834
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":834
  *             elif t == NPY_LONG:        f[0] = 108 #"l"
  *             elif t == NPY_ULONG:       f[0] = 76  #"L"
  *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"             # <<<<<<<<<<<<<<
  *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
  *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_LONGLONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_LONGLONG); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 834; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 113;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":835
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":835
  *             elif t == NPY_ULONG:       f[0] = 76  #"L"
  *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
  *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"             # <<<<<<<<<<<<<<
  *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
  *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
  */
-      __pyx_t_5 = PyInt_FromLong(NPY_ULONGLONG); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(NPY_ULONGLONG); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (__pyx_t_7) {
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 835; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 81;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":836
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":836
  *             elif t == NPY_LONGLONG:    f[0] = 113 #"q"
  *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
  *             elif t == NPY_FLOAT:       f[0] = 102 #"f"             # <<<<<<<<<<<<<<
  *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
  *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_FLOAT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_FLOAT); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 836; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 102;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":837
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":837
  *             elif t == NPY_ULONGLONG:   f[0] = 81  #"Q"
  *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
  *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"             # <<<<<<<<<<<<<<
  *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
  *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
  */
-      __pyx_t_5 = PyInt_FromLong(NPY_DOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(NPY_DOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (__pyx_t_7) {
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 837; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 100;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":838
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":838
  *             elif t == NPY_FLOAT:       f[0] = 102 #"f"
  *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
  *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"             # <<<<<<<<<<<<<<
  *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
  *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_LONGDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_LONGDOUBLE); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 838; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 103;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":839
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":839
  *             elif t == NPY_DOUBLE:      f[0] = 100 #"d"
  *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
  *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf             # <<<<<<<<<<<<<<
  *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
  *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
  */
-      __pyx_t_5 = PyInt_FromLong(NPY_CFLOAT); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(NPY_CFLOAT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (__pyx_t_7) {
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 839; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 90;
         (__pyx_v_f[1]) = 102;
         __pyx_v_f = (__pyx_v_f + 1);
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":840
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":840
  *             elif t == NPY_LONGDOUBLE:  f[0] = 103 #"g"
  *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
  *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd             # <<<<<<<<<<<<<<
  *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
  *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_CDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_CDOUBLE); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 840; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 90;
         (__pyx_v_f[1]) = 100;
         __pyx_v_f = (__pyx_v_f + 1);
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":841
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":841
  *             elif t == NPY_CFLOAT:      f[0] = 90; f[1] = 102; f += 1 # Zf
  *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
  *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg             # <<<<<<<<<<<<<<
  *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
  *             else:
  */
-      __pyx_t_5 = PyInt_FromLong(NPY_CLONGDOUBLE); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_5);
-      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_5, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_3 = PyInt_FromLong(NPY_CLONGDOUBLE); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_3);
+      __pyx_t_4 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_4); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      if (__pyx_t_7) {
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_4); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 841; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 90;
         (__pyx_v_f[1]) = 103;
         __pyx_v_f = (__pyx_v_f + 1);
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
 
-      /* "numpy.pxd":842
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":842
  *             elif t == NPY_CDOUBLE:     f[0] = 90; f[1] = 100; f += 1 # Zd
  *             elif t == NPY_CLONGDOUBLE: f[0] = 90; f[1] = 103; f += 1 # Zg
  *             elif t == NPY_OBJECT:      f[0] = 79 #"O"             # <<<<<<<<<<<<<<
  *             else:
  *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
  */
-      __pyx_t_3 = PyInt_FromLong(NPY_OBJECT); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_GOTREF(__pyx_t_3);
-      __pyx_t_5 = PyObject_RichCompare(__pyx_v_t, __pyx_t_3, Py_EQ); __Pyx_XGOTREF(__pyx_t_5); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_t_4 = PyInt_FromLong(NPY_OBJECT); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_GOTREF(__pyx_t_4);
+      __pyx_t_3 = PyObject_RichCompare(__pyx_v_t, __pyx_t_4, Py_EQ); __Pyx_XGOTREF(__pyx_t_3); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+      __pyx_t_6 = __Pyx_PyObject_IsTrue(__pyx_t_3); if (unlikely(__pyx_t_6 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-      __pyx_t_7 = __Pyx_PyObject_IsTrue(__pyx_t_5); if (unlikely(__pyx_t_7 < 0)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 842; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
-      if (__pyx_t_7) {
+      if (__pyx_t_6) {
         (__pyx_v_f[0]) = 79;
-        goto __pyx_L13;
+        goto __pyx_L11;
       }
       /*else*/ {
 
-        /* "numpy.pxd":844
+        /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":844
  *             elif t == NPY_OBJECT:      f[0] = 79 #"O"
  *             else:
  *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)             # <<<<<<<<<<<<<<
  *             f += 1
  *         else:
  */
-        __pyx_t_5 = PyNumber_Remainder(((PyObject *)__pyx_kp_u_21), __pyx_v_t); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(((PyObject *)__pyx_t_5));
-        __pyx_t_3 = PyTuple_New(1); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __pyx_t_3 = PyUnicode_Format(__pyx_kp_u_unknown_dtype_code_in_numpy_pxd, __pyx_v_t); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
         __Pyx_GOTREF(__pyx_t_3);
-        PyTuple_SET_ITEM(__pyx_t_3, 0, ((PyObject *)__pyx_t_5));
-        __Pyx_GIVEREF(((PyObject *)__pyx_t_5));
-        __pyx_t_5 = 0;
-        __pyx_t_5 = PyObject_Call(__pyx_builtin_ValueError, ((PyObject *)__pyx_t_3), NULL); if (unlikely(!__pyx_t_5)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-        __Pyx_GOTREF(__pyx_t_5);
-        __Pyx_DECREF(((PyObject *)__pyx_t_3)); __pyx_t_3 = 0;
-        __Pyx_Raise(__pyx_t_5, 0, 0, 0);
-        __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
+        __pyx_t_4 = PyTuple_New(1); if (unlikely(!__pyx_t_4)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_4);
+        PyTuple_SET_ITEM(__pyx_t_4, 0, __pyx_t_3);
+        __Pyx_GIVEREF(__pyx_t_3);
+        __pyx_t_3 = 0;
+        __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_t_4, NULL); if (unlikely(!__pyx_t_3)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+        __Pyx_GOTREF(__pyx_t_3);
+        __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+        __Pyx_Raise(__pyx_t_3, 0, 0, 0);
+        __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
         {__pyx_filename = __pyx_f[1]; __pyx_lineno = 844; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
       }
-      __pyx_L13:;
+      __pyx_L11:;
 
-      /* "numpy.pxd":845
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":845
  *             else:
  *                 raise ValueError(u"unknown dtype code in numpy.pxd (%d)" % t)
  *             f += 1             # <<<<<<<<<<<<<<
@@ -5138,25 +5460,25 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
  *             # Cython ignores struct boundary information ("T{...}"),
  */
       __pyx_v_f = (__pyx_v_f + 1);
-      goto __pyx_L11;
+      goto __pyx_L9;
     }
     /*else*/ {
 
-      /* "numpy.pxd":849
+      /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":849
  *             # Cython ignores struct boundary information ("T{...}"),
  *             # so don't output it
  *             f = _util_dtypestring(child, f, end, offset)             # <<<<<<<<<<<<<<
  *     return f
  * 
  */
-      __pyx_t_12 = __pyx_f_5numpy__util_dtypestring(__pyx_v_child, __pyx_v_f, __pyx_v_end, __pyx_v_offset); if (unlikely(__pyx_t_12 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 849; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-      __pyx_v_f = __pyx_t_12;
+      __pyx_t_11 = __pyx_f_5numpy__util_dtypestring(__pyx_v_child, __pyx_v_f, __pyx_v_end, __pyx_v_offset); if (unlikely(__pyx_t_11 == NULL)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 849; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+      __pyx_v_f = __pyx_t_11;
     }
-    __pyx_L11:;
+    __pyx_L9:;
   }
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "numpy.pxd":850
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":850
  *             # so don't output it
  *             f = _util_dtypestring(child, f, end, offset)
  *     return f             # <<<<<<<<<<<<<<
@@ -5166,13 +5488,19 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
   __pyx_r = __pyx_v_f;
   goto __pyx_L0;
 
-  __pyx_r = 0;
-  goto __pyx_L0;
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":783
+ *     return PyArray_MultiIterNew(5, <void*>a, <void*>b, <void*>c, <void*> d, <void*> e)
+ * 
+ * cdef inline char* _util_dtypestring(dtype descr, char* f, char* end, int* offset) except NULL:             # <<<<<<<<<<<<<<
+ *     # Recursive utility function used in __getbuffer__ to get format
+ *     # string. The new location in the format string is returned.
+ */
+
+  /* function exit code */
   __pyx_L1_error:;
   __Pyx_XDECREF(__pyx_t_1);
   __Pyx_XDECREF(__pyx_t_3);
   __Pyx_XDECREF(__pyx_t_4);
-  __Pyx_XDECREF(__pyx_t_5);
   __Pyx_AddTraceback("numpy._util_dtypestring", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = NULL;
   __pyx_L0:;
@@ -5185,7 +5513,7 @@ static CYTHON_INLINE char *__pyx_f_5numpy__util_dtypestring(PyArray_Descr *__pyx
   return __pyx_r;
 }
 
-/* "numpy.pxd":965
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":966
  * 
  * 
  * cdef inline void set_array_base(ndarray arr, object base):             # <<<<<<<<<<<<<<
@@ -5197,9 +5525,10 @@ static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_a
   PyObject *__pyx_v_baseptr;
   __Pyx_RefNannyDeclarations
   int __pyx_t_1;
+  int __pyx_t_2;
   __Pyx_RefNannySetupContext("set_array_base", 0);
 
-  /* "numpy.pxd":967
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":968
  * cdef inline void set_array_base(ndarray arr, object base):
  *      cdef PyObject* baseptr
  *      if base is None:             # <<<<<<<<<<<<<<
@@ -5207,9 +5536,10 @@ static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_a
  *      else:
  */
   __pyx_t_1 = (__pyx_v_base == Py_None);
-  if (__pyx_t_1) {
+  __pyx_t_2 = (__pyx_t_1 != 0);
+  if (__pyx_t_2) {
 
-    /* "numpy.pxd":968
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":969
  *      cdef PyObject* baseptr
  *      if base is None:
  *          baseptr = NULL             # <<<<<<<<<<<<<<
@@ -5221,7 +5551,7 @@ static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_a
   }
   /*else*/ {
 
-    /* "numpy.pxd":970
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":971
  *          baseptr = NULL
  *      else:
  *          Py_INCREF(base) # important to do this before decref below!             # <<<<<<<<<<<<<<
@@ -5230,7 +5560,7 @@ static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_a
  */
     Py_INCREF(__pyx_v_base);
 
-    /* "numpy.pxd":971
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":972
  *      else:
  *          Py_INCREF(base) # important to do this before decref below!
  *          baseptr = <PyObject*>base             # <<<<<<<<<<<<<<
@@ -5241,7 +5571,7 @@ static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_a
   }
   __pyx_L3:;
 
-  /* "numpy.pxd":972
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":973
  *          Py_INCREF(base) # important to do this before decref below!
  *          baseptr = <PyObject*>base
  *      Py_XDECREF(arr.base)             # <<<<<<<<<<<<<<
@@ -5250,7 +5580,7 @@ static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_a
  */
   Py_XDECREF(__pyx_v_arr->base);
 
-  /* "numpy.pxd":973
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":974
  *          baseptr = <PyObject*>base
  *      Py_XDECREF(arr.base)
  *      arr.base = baseptr             # <<<<<<<<<<<<<<
@@ -5259,10 +5589,19 @@ static CYTHON_INLINE void __pyx_f_5numpy_set_array_base(PyArrayObject *__pyx_v_a
  */
   __pyx_v_arr->base = __pyx_v_baseptr;
 
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":966
+ * 
+ * 
+ * cdef inline void set_array_base(ndarray arr, object base):             # <<<<<<<<<<<<<<
+ *      cdef PyObject* baseptr
+ *      if base is None:
+ */
+
+  /* function exit code */
   __Pyx_RefNannyFinishContext();
 }
 
-/* "numpy.pxd":975
+/* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":976
  *      arr.base = baseptr
  * 
  * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
@@ -5276,17 +5615,17 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__py
   int __pyx_t_1;
   __Pyx_RefNannySetupContext("get_array_base", 0);
 
-  /* "numpy.pxd":976
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":977
  * 
  * cdef inline object get_array_base(ndarray arr):
  *     if arr.base is NULL:             # <<<<<<<<<<<<<<
  *         return None
  *     else:
  */
-  __pyx_t_1 = (__pyx_v_arr->base == NULL);
+  __pyx_t_1 = ((__pyx_v_arr->base == NULL) != 0);
   if (__pyx_t_1) {
 
-    /* "numpy.pxd":977
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":978
  * cdef inline object get_array_base(ndarray arr):
  *     if arr.base is NULL:
  *         return None             # <<<<<<<<<<<<<<
@@ -5297,11 +5636,10 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__py
     __Pyx_INCREF(Py_None);
     __pyx_r = Py_None;
     goto __pyx_L0;
-    goto __pyx_L3;
   }
   /*else*/ {
 
-    /* "numpy.pxd":979
+    /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":980
  *         return None
  *     else:
  *         return <object>arr.base             # <<<<<<<<<<<<<<
@@ -5311,9 +5649,16 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__py
     __pyx_r = ((PyObject *)__pyx_v_arr->base);
     goto __pyx_L0;
   }
-  __pyx_L3:;
 
-  __pyx_r = Py_None; __Pyx_INCREF(Py_None);
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":976
+ *      arr.base = baseptr
+ * 
+ * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
+ *     if arr.base is NULL:
+ *         return None
+ */
+
+  /* function exit code */
   __pyx_L0:;
   __Pyx_XGIVEREF(__pyx_r);
   __Pyx_RefNannyFinishContext();
@@ -5322,11 +5667,17 @@ static CYTHON_INLINE PyObject *__pyx_f_5numpy_get_array_base(PyArrayObject *__py
 
 static PyObject *__pyx_tp_new_8pykdtree_6kdtree_KDTree(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
   struct __pyx_obj_8pykdtree_6kdtree_KDTree *p;
-  PyObject *o = (*t->tp_alloc)(t, 0);
-  if (!o) return 0;
+  PyObject *o;
+  if (likely((t->tp_flags & Py_TPFLAGS_IS_ABSTRACT) == 0)) {
+    o = (*t->tp_alloc)(t, 0);
+  } else {
+    o = (PyObject *) PyBaseObject_Type.tp_new(t, __pyx_empty_tuple, 0);
+  }
+  if (unlikely(!o)) return 0;
   p = ((struct __pyx_obj_8pykdtree_6kdtree_KDTree *)o);
   p->data_pts = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
-  if (__pyx_pw_8pykdtree_6kdtree_6KDTree_1__cinit__(o, __pyx_empty_tuple, NULL) < 0) {
+  p->data = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
+  if (unlikely(__pyx_pw_8pykdtree_6kdtree_6KDTree_1__cinit__(o, __pyx_empty_tuple, NULL) < 0)) {
     Py_DECREF(o); o = 0;
   }
   return o;
@@ -5334,18 +5685,22 @@ static PyObject *__pyx_tp_new_8pykdtree_6kdtree_KDTree(PyTypeObject *t, CYTHON_U
 
 static void __pyx_tp_dealloc_8pykdtree_6kdtree_KDTree(PyObject *o) {
   struct __pyx_obj_8pykdtree_6kdtree_KDTree *p = (struct __pyx_obj_8pykdtree_6kdtree_KDTree *)o;
+  #if PY_VERSION_HEX >= 0x030400a1
+  if (unlikely(Py_TYPE(o)->tp_finalize) && !_PyGC_FINALIZED(o)) {
+    if (PyObject_CallFinalizerFromDealloc(o)) return;
+  }
+  #endif
   PyObject_GC_UnTrack(o);
   {
     PyObject *etype, *eval, *etb;
     PyErr_Fetch(&etype, &eval, &etb);
     ++Py_REFCNT(o);
     __pyx_pw_8pykdtree_6kdtree_6KDTree_7__dealloc__(o);
-    if (PyErr_Occurred()) PyErr_WriteUnraisable(o);
     --Py_REFCNT(o);
     PyErr_Restore(etype, eval, etb);
   }
   Py_CLEAR(p->data_pts);
-  PyObject_GC_Track(o);
+  Py_CLEAR(p->data);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -5355,15 +5710,21 @@ static int __pyx_tp_traverse_8pykdtree_6kdtree_KDTree(PyObject *o, visitproc v,
   if (p->data_pts) {
     e = (*v)(((PyObject*)p->data_pts), a); if (e) return e;
   }
+  if (p->data) {
+    e = (*v)(((PyObject*)p->data), a); if (e) return e;
+  }
   return 0;
 }
 
 static int __pyx_tp_clear_8pykdtree_6kdtree_KDTree(PyObject *o) {
-  struct __pyx_obj_8pykdtree_6kdtree_KDTree *p = (struct __pyx_obj_8pykdtree_6kdtree_KDTree *)o;
   PyObject* tmp;
+  struct __pyx_obj_8pykdtree_6kdtree_KDTree *p = (struct __pyx_obj_8pykdtree_6kdtree_KDTree *)o;
   tmp = ((PyObject*)p->data_pts);
   p->data_pts = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
   Py_XDECREF(tmp);
+  tmp = ((PyObject*)p->data);
+  p->data = ((PyArrayObject *)Py_None); Py_INCREF(Py_None);
+  Py_XDECREF(tmp);
   return 0;
 }
 
@@ -5371,6 +5732,10 @@ static PyObject *__pyx_getprop_8pykdtree_6kdtree_6KDTree_data_pts(PyObject *o, C
   return __pyx_pw_8pykdtree_6kdtree_6KDTree_8data_pts_1__get__(o);
 }
 
+static PyObject *__pyx_getprop_8pykdtree_6kdtree_6KDTree_data(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_8pykdtree_6kdtree_6KDTree_4data_1__get__(o);
+}
+
 static PyObject *__pyx_getprop_8pykdtree_6kdtree_6KDTree_n(PyObject *o, CYTHON_UNUSED void *x) {
   return __pyx_pw_8pykdtree_6kdtree_6KDTree_1n_1__get__(o);
 }
@@ -5390,110 +5755,13 @@ static PyMethodDef __pyx_methods_8pykdtree_6kdtree_KDTree[] = {
 
 static struct PyGetSetDef __pyx_getsets_8pykdtree_6kdtree_KDTree[] = {
   {(char *)"data_pts", __pyx_getprop_8pykdtree_6kdtree_6KDTree_data_pts, 0, 0, 0},
+  {(char *)"data", __pyx_getprop_8pykdtree_6kdtree_6KDTree_data, 0, 0, 0},
   {(char *)"n", __pyx_getprop_8pykdtree_6kdtree_6KDTree_n, 0, 0, 0},
   {(char *)"ndim", __pyx_getprop_8pykdtree_6kdtree_6KDTree_ndim, 0, 0, 0},
   {(char *)"leafsize", __pyx_getprop_8pykdtree_6kdtree_6KDTree_leafsize, 0, 0, 0},
   {0, 0, 0, 0, 0}
 };
 
-static PyNumberMethods __pyx_tp_as_number_KDTree = {
-  0, /*nb_add*/
-  0, /*nb_subtract*/
-  0, /*nb_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_divide*/
-  #endif
-  0, /*nb_remainder*/
-  0, /*nb_divmod*/
-  0, /*nb_power*/
-  0, /*nb_negative*/
-  0, /*nb_positive*/
-  0, /*nb_absolute*/
-  0, /*nb_nonzero*/
-  0, /*nb_invert*/
-  0, /*nb_lshift*/
-  0, /*nb_rshift*/
-  0, /*nb_and*/
-  0, /*nb_xor*/
-  0, /*nb_or*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_coerce*/
-  #endif
-  0, /*nb_int*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_long*/
-  #else
-  0, /*reserved*/
-  #endif
-  0, /*nb_float*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_oct*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_hex*/
-  #endif
-  0, /*nb_inplace_add*/
-  0, /*nb_inplace_subtract*/
-  0, /*nb_inplace_multiply*/
-  #if PY_MAJOR_VERSION < 3
-  0, /*nb_inplace_divide*/
-  #endif
-  0, /*nb_inplace_remainder*/
-  0, /*nb_inplace_power*/
-  0, /*nb_inplace_lshift*/
-  0, /*nb_inplace_rshift*/
-  0, /*nb_inplace_and*/
-  0, /*nb_inplace_xor*/
-  0, /*nb_inplace_or*/
-  0, /*nb_floor_divide*/
-  0, /*nb_true_divide*/
-  0, /*nb_inplace_floor_divide*/
-  0, /*nb_inplace_true_divide*/
-  #if PY_VERSION_HEX >= 0x02050000
-  0, /*nb_index*/
-  #endif
-};
-
-static PySequenceMethods __pyx_tp_as_sequence_KDTree = {
-  0, /*sq_length*/
-  0, /*sq_concat*/
-  0, /*sq_repeat*/
-  0, /*sq_item*/
-  0, /*sq_slice*/
-  0, /*sq_ass_item*/
-  0, /*sq_ass_slice*/
-  0, /*sq_contains*/
-  0, /*sq_inplace_concat*/
-  0, /*sq_inplace_repeat*/
-};
-
-static PyMappingMethods __pyx_tp_as_mapping_KDTree = {
-  0, /*mp_length*/
-  0, /*mp_subscript*/
-  0, /*mp_ass_subscript*/
-};
-
-static PyBufferProcs __pyx_tp_as_buffer_KDTree = {
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getreadbuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getwritebuffer*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getsegcount*/
-  #endif
-  #if PY_MAJOR_VERSION < 3
-  0, /*bf_getcharbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_getbuffer*/
-  #endif
-  #if PY_VERSION_HEX >= 0x02060000
-  0, /*bf_releasebuffer*/
-  #endif
-};
-
 static PyTypeObject __pyx_type_8pykdtree_6kdtree_KDTree = {
   PyVarObject_HEAD_INIT(0, 0)
   __Pyx_NAMESTR("pykdtree.kdtree.KDTree"), /*tp_name*/
@@ -5509,16 +5777,16 @@ static PyTypeObject __pyx_type_8pykdtree_6kdtree_KDTree = {
   0, /*reserved*/
   #endif
   0, /*tp_repr*/
-  &__pyx_tp_as_number_KDTree, /*tp_as_number*/
-  &__pyx_tp_as_sequence_KDTree, /*tp_as_sequence*/
-  &__pyx_tp_as_mapping_KDTree, /*tp_as_mapping*/
+  0, /*tp_as_number*/
+  0, /*tp_as_sequence*/
+  0, /*tp_as_mapping*/
   0, /*tp_hash*/
   0, /*tp_call*/
   0, /*tp_str*/
   0, /*tp_getattro*/
   0, /*tp_setattro*/
-  &__pyx_tp_as_buffer_KDTree, /*tp_as_buffer*/
-  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
+  0, /*tp_as_buffer*/
+  Py_TPFLAGS_DEFAULT|Py_TPFLAGS_HAVE_VERSION_TAG|Py_TPFLAGS_CHECKTYPES|Py_TPFLAGS_HAVE_NEWBUFFER|Py_TPFLAGS_BASETYPE|Py_TPFLAGS_HAVE_GC, /*tp_flags*/
   __Pyx_DOCSTR("kd-tree for fast nearest-neighbour lookup.\n    The interface is made to resemble the scipy.spatial kd-tree except\n    only Euclidean distance measure is supported.\n    \n    :Parameters:\n    data_pts : numpy array\n        Data points with shape (n , dims)\n    leafsize : int, optional\n        Maximum number of data points in tree leaf\n    "), /*tp_doc*/
   __pyx_tp_traverse_8pykdtree_6kdtree_KDTree, /*tp_traverse*/
   __pyx_tp_clear_8pykdtree_6kdtree_KDTree, /*tp_clear*/
@@ -5548,6 +5816,9 @@ static PyTypeObject __pyx_type_8pykdtree_6kdtree_KDTree = {
   #if PY_VERSION_HEX >= 0x02060000
   0, /*tp_version_tag*/
   #endif
+  #if PY_VERSION_HEX >= 0x030400a1
+  0, /*tp_finalize*/
+  #endif
 };
 
 static PyMethodDef __pyx_methods[] = {
@@ -5573,52 +5844,55 @@ static struct PyModuleDef __pyx_moduledef = {
 #endif
 
 static __Pyx_StringTabEntry __pyx_string_tab[] = {
-  {&__pyx_kp_s_1, __pyx_k_1, sizeof(__pyx_k_1), 0, 0, 1, 0},
-  {&__pyx_kp_s_11, __pyx_k_11, sizeof(__pyx_k_11), 0, 0, 1, 0},
-  {&__pyx_kp_s_13, __pyx_k_13, sizeof(__pyx_k_13), 0, 0, 1, 0},
-  {&__pyx_kp_u_15, __pyx_k_15, sizeof(__pyx_k_15), 0, 1, 0, 0},
-  {&__pyx_kp_u_17, __pyx_k_17, sizeof(__pyx_k_17), 0, 1, 0, 0},
-  {&__pyx_kp_u_19, __pyx_k_19, sizeof(__pyx_k_19), 0, 1, 0, 0},
-  {&__pyx_kp_u_21, __pyx_k_21, sizeof(__pyx_k_21), 0, 1, 0, 0},
-  {&__pyx_kp_u_22, __pyx_k_22, sizeof(__pyx_k_22), 0, 1, 0, 0},
-  {&__pyx_kp_u_25, __pyx_k_25, sizeof(__pyx_k_25), 0, 1, 0, 0},
-  {&__pyx_n_s_3, __pyx_k_3, sizeof(__pyx_k_3), 0, 0, 1, 1},
-  {&__pyx_kp_s_5, __pyx_k_5, sizeof(__pyx_k_5), 0, 0, 1, 0},
-  {&__pyx_kp_s_7, __pyx_k_7, sizeof(__pyx_k_7), 0, 0, 1, 0},
-  {&__pyx_kp_s_9, __pyx_k_9, sizeof(__pyx_k_9), 0, 0, 1, 0},
-  {&__pyx_n_s__Inf, __pyx_k__Inf, sizeof(__pyx_k__Inf), 0, 0, 1, 1},
-  {&__pyx_n_s__RuntimeError, __pyx_k__RuntimeError, sizeof(__pyx_k__RuntimeError), 0, 0, 1, 1},
-  {&__pyx_n_s__TypeError, __pyx_k__TypeError, sizeof(__pyx_k__TypeError), 0, 0, 1, 1},
-  {&__pyx_n_s__ValueError, __pyx_k__ValueError, sizeof(__pyx_k__ValueError), 0, 0, 1, 1},
-  {&__pyx_n_s____main__, __pyx_k____main__, sizeof(__pyx_k____main__), 0, 0, 1, 1},
-  {&__pyx_n_s____test__, __pyx_k____test__, sizeof(__pyx_k____test__), 0, 0, 1, 1},
-  {&__pyx_n_s__ascontiguousarray, __pyx_k__ascontiguousarray, sizeof(__pyx_k__ascontiguousarray), 0, 0, 1, 1},
-  {&__pyx_n_s__data_pts, __pyx_k__data_pts, sizeof(__pyx_k__data_pts), 0, 0, 1, 1},
-  {&__pyx_n_s__dtype, __pyx_k__dtype, sizeof(__pyx_k__dtype), 0, 0, 1, 1},
-  {&__pyx_n_s__empty, __pyx_k__empty, sizeof(__pyx_k__empty), 0, 0, 1, 1},
-  {&__pyx_n_s__eps, __pyx_k__eps, sizeof(__pyx_k__eps), 0, 0, 1, 1},
-  {&__pyx_n_s__finfo, __pyx_k__finfo, sizeof(__pyx_k__finfo), 0, 0, 1, 1},
-  {&__pyx_n_s__float32, __pyx_k__float32, sizeof(__pyx_k__float32), 0, 0, 1, 1},
-  {&__pyx_n_s__float64, __pyx_k__float64, sizeof(__pyx_k__float64), 0, 0, 1, 1},
-  {&__pyx_n_s__k, __pyx_k__k, sizeof(__pyx_k__k), 0, 0, 1, 1},
-  {&__pyx_n_s__leafsize, __pyx_k__leafsize, sizeof(__pyx_k__leafsize), 0, 0, 1, 1},
-  {&__pyx_n_s__max, __pyx_k__max, sizeof(__pyx_k__max), 0, 0, 1, 1},
-  {&__pyx_n_s__np, __pyx_k__np, sizeof(__pyx_k__np), 0, 0, 1, 1},
-  {&__pyx_n_s__numpy, __pyx_k__numpy, sizeof(__pyx_k__numpy), 0, 0, 1, 1},
-  {&__pyx_n_s__query_pts, __pyx_k__query_pts, sizeof(__pyx_k__query_pts), 0, 0, 1, 1},
-  {&__pyx_n_s__range, __pyx_k__range, sizeof(__pyx_k__range), 0, 0, 1, 1},
-  {&__pyx_n_s__ravel, __pyx_k__ravel, sizeof(__pyx_k__ravel), 0, 0, 1, 1},
-  {&__pyx_n_s__reshape, __pyx_k__reshape, sizeof(__pyx_k__reshape), 0, 0, 1, 1},
-  {&__pyx_n_s__sqr_dists, __pyx_k__sqr_dists, sizeof(__pyx_k__sqr_dists), 0, 0, 1, 1},
-  {&__pyx_n_s__sqrt, __pyx_k__sqrt, sizeof(__pyx_k__sqrt), 0, 0, 1, 1},
-  {&__pyx_n_s__uint32, __pyx_k__uint32, sizeof(__pyx_k__uint32), 0, 0, 1, 1},
+  {&__pyx_kp_s_Data_and_query_points_must_have, __pyx_k_Data_and_query_points_must_have, sizeof(__pyx_k_Data_and_query_points_must_have), 0, 0, 1, 0},
+  {&__pyx_kp_u_Format_string_allocated_too_shor, __pyx_k_Format_string_allocated_too_shor, sizeof(__pyx_k_Format_string_allocated_too_shor), 0, 1, 0, 0},
+  {&__pyx_kp_u_Format_string_allocated_too_shor_2, __pyx_k_Format_string_allocated_too_shor_2, sizeof(__pyx_k_Format_string_allocated_too_shor_2), 0, 1, 0, 0},
+  {&__pyx_n_s_Inf, __pyx_k_Inf, sizeof(__pyx_k_Inf), 0, 0, 1, 1},
+  {&__pyx_kp_u_Non_native_byte_order_not_suppor, __pyx_k_Non_native_byte_order_not_suppor, sizeof(__pyx_k_Non_native_byte_order_not_suppor), 0, 1, 0, 0},
+  {&__pyx_kp_s_Number_of_neighbours_must_be_gre, __pyx_k_Number_of_neighbours_must_be_gre, sizeof(__pyx_k_Number_of_neighbours_must_be_gre), 0, 0, 1, 0},
+  {&__pyx_n_s_RuntimeError, __pyx_k_RuntimeError, sizeof(__pyx_k_RuntimeError), 0, 0, 1, 1},
+  {&__pyx_n_s_TypeError, __pyx_k_TypeError, sizeof(__pyx_k_TypeError), 0, 0, 1, 1},
+  {&__pyx_kp_s_Type_mismatch_query_points_must, __pyx_k_Type_mismatch_query_points_must, sizeof(__pyx_k_Type_mismatch_query_points_must), 0, 0, 1, 0},
+  {&__pyx_n_s_ValueError, __pyx_k_ValueError, sizeof(__pyx_k_ValueError), 0, 0, 1, 1},
+  {&__pyx_n_s_ascontiguousarray, __pyx_k_ascontiguousarray, sizeof(__pyx_k_ascontiguousarray), 0, 0, 1, 1},
+  {&__pyx_n_s_data_pts, __pyx_k_data_pts, sizeof(__pyx_k_data_pts), 0, 0, 1, 1},
+  {&__pyx_n_s_distance_upper_bound, __pyx_k_distance_upper_bound, sizeof(__pyx_k_distance_upper_bound), 0, 0, 1, 1},
+  {&__pyx_kp_s_distance_upper_bound_must_be_non, __pyx_k_distance_upper_bound_must_be_non, sizeof(__pyx_k_distance_upper_bound_must_be_non), 0, 0, 1, 0},
+  {&__pyx_n_s_dtype, __pyx_k_dtype, sizeof(__pyx_k_dtype), 0, 0, 1, 1},
+  {&__pyx_n_s_empty, __pyx_k_empty, sizeof(__pyx_k_empty), 0, 0, 1, 1},
+  {&__pyx_n_s_eps, __pyx_k_eps, sizeof(__pyx_k_eps), 0, 0, 1, 1},
+  {&__pyx_kp_s_eps_must_be_non_negative, __pyx_k_eps_must_be_non_negative, sizeof(__pyx_k_eps_must_be_non_negative), 0, 0, 1, 0},
+  {&__pyx_n_s_finfo, __pyx_k_finfo, sizeof(__pyx_k_finfo), 0, 0, 1, 1},
+  {&__pyx_n_s_float32, __pyx_k_float32, sizeof(__pyx_k_float32), 0, 0, 1, 1},
+  {&__pyx_n_s_float64, __pyx_k_float64, sizeof(__pyx_k_float64), 0, 0, 1, 1},
+  {&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
+  {&__pyx_n_s_k, __pyx_k_k, sizeof(__pyx_k_k), 0, 0, 1, 1},
+  {&__pyx_n_s_leafsize, __pyx_k_leafsize, sizeof(__pyx_k_leafsize), 0, 0, 1, 1},
+  {&__pyx_kp_s_leafsize_must_be_greater_than_ze, __pyx_k_leafsize_must_be_greater_than_ze, sizeof(__pyx_k_leafsize_must_be_greater_than_ze), 0, 0, 1, 0},
+  {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
+  {&__pyx_n_s_max, __pyx_k_max, sizeof(__pyx_k_max), 0, 0, 1, 1},
+  {&__pyx_kp_u_ndarray_is_not_C_contiguous, __pyx_k_ndarray_is_not_C_contiguous, sizeof(__pyx_k_ndarray_is_not_C_contiguous), 0, 1, 0, 0},
+  {&__pyx_kp_u_ndarray_is_not_Fortran_contiguou, __pyx_k_ndarray_is_not_Fortran_contiguou, sizeof(__pyx_k_ndarray_is_not_Fortran_contiguou), 0, 1, 0, 0},
+  {&__pyx_n_s_np, __pyx_k_np, sizeof(__pyx_k_np), 0, 0, 1, 1},
+  {&__pyx_n_s_numpy, __pyx_k_numpy, sizeof(__pyx_k_numpy), 0, 0, 1, 1},
+  {&__pyx_n_s_pyx_getbuffer, __pyx_k_pyx_getbuffer, sizeof(__pyx_k_pyx_getbuffer), 0, 0, 1, 1},
+  {&__pyx_n_s_pyx_releasebuffer, __pyx_k_pyx_releasebuffer, sizeof(__pyx_k_pyx_releasebuffer), 0, 0, 1, 1},
+  {&__pyx_n_s_query_pts, __pyx_k_query_pts, sizeof(__pyx_k_query_pts), 0, 0, 1, 1},
+  {&__pyx_n_s_range, __pyx_k_range, sizeof(__pyx_k_range), 0, 0, 1, 1},
+  {&__pyx_n_s_ravel, __pyx_k_ravel, sizeof(__pyx_k_ravel), 0, 0, 1, 1},
+  {&__pyx_n_s_reshape, __pyx_k_reshape, sizeof(__pyx_k_reshape), 0, 0, 1, 1},
+  {&__pyx_n_s_sqr_dists, __pyx_k_sqr_dists, sizeof(__pyx_k_sqr_dists), 0, 0, 1, 1},
+  {&__pyx_n_s_sqrt, __pyx_k_sqrt, sizeof(__pyx_k_sqrt), 0, 0, 1, 1},
+  {&__pyx_n_s_test, __pyx_k_test, sizeof(__pyx_k_test), 0, 0, 1, 1},
+  {&__pyx_n_s_uint32, __pyx_k_uint32, sizeof(__pyx_k_uint32), 0, 0, 1, 1},
+  {&__pyx_kp_u_unknown_dtype_code_in_numpy_pxd, __pyx_k_unknown_dtype_code_in_numpy_pxd, sizeof(__pyx_k_unknown_dtype_code_in_numpy_pxd), 0, 1, 0, 0},
   {0, 0, 0, 0, 0, 0, 0}
 };
 static int __Pyx_InitCachedBuiltins(void) {
-  __pyx_builtin_ValueError = __Pyx_GetName(__pyx_b, __pyx_n_s__ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_TypeError = __Pyx_GetName(__pyx_b, __pyx_n_s__TypeError); if (!__pyx_builtin_TypeError) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_range = __Pyx_GetName(__pyx_b, __pyx_n_s__range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 228; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __pyx_builtin_RuntimeError = __Pyx_GetName(__pyx_b, __pyx_n_s__RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_ValueError = __Pyx_GetBuiltinName(__pyx_n_s_ValueError); if (!__pyx_builtin_ValueError) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_TypeError = __Pyx_GetBuiltinName(__pyx_n_s_TypeError); if (!__pyx_builtin_TypeError) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_range = __Pyx_GetBuiltinName(__pyx_n_s_range); if (!__pyx_builtin_range) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 228; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_builtin_RuntimeError = __Pyx_GetBuiltinName(__pyx_n_s_RuntimeError); if (!__pyx_builtin_RuntimeError) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   return 0;
   __pyx_L1_error:;
   return -1;
@@ -5628,137 +5902,137 @@ static int __Pyx_InitCachedConstants(void) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
 
-  /* "pykdtree/kdtree.pyx":94
+  /* "pykdtree/kdtree.pyx":95
  *         # Check arguments
  *         if leafsize < 1:
  *             raise ValueError('leafsize must be greater than zero')             # <<<<<<<<<<<<<<
  * 
  *         # Get data content
  */
-  __pyx_k_tuple_2 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_s_1)); if (unlikely(!__pyx_k_tuple_2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 94; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_2);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_2));
+  __pyx_tuple_ = PyTuple_Pack(1, __pyx_kp_s_leafsize_must_be_greater_than_ze); if (unlikely(!__pyx_tuple_)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 95; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple_);
+  __Pyx_GIVEREF(__pyx_tuple_);
 
-  /* "pykdtree/kdtree.pyx":151
+  /* "pykdtree/kdtree.pyx":155
  *         # Check arguments
  *         if k < 1:
  *             raise ValueError('Number of neighbours must be greater than zero')             # <<<<<<<<<<<<<<
  *         elif eps < 0:
  *             raise ValueError('eps must be non-negative')
  */
-  __pyx_k_tuple_6 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_s_5)); if (unlikely(!__pyx_k_tuple_6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 151; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_6);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_6));
+  __pyx_tuple__2 = PyTuple_Pack(1, __pyx_kp_s_Number_of_neighbours_must_be_gre); if (unlikely(!__pyx_tuple__2)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 155; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__2);
+  __Pyx_GIVEREF(__pyx_tuple__2);
 
-  /* "pykdtree/kdtree.pyx":153
+  /* "pykdtree/kdtree.pyx":157
  *             raise ValueError('Number of neighbours must be greater than zero')
  *         elif eps < 0:
  *             raise ValueError('eps must be non-negative')             # <<<<<<<<<<<<<<
  *         elif distance_upper_bound is not None:
  *             if distance_upper_bound < 0:
  */
-  __pyx_k_tuple_8 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_s_7)); if (unlikely(!__pyx_k_tuple_8)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 153; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_8);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_8));
+  __pyx_tuple__3 = PyTuple_Pack(1, __pyx_kp_s_eps_must_be_non_negative); if (unlikely(!__pyx_tuple__3)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 157; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__3);
+  __Pyx_GIVEREF(__pyx_tuple__3);
 
-  /* "pykdtree/kdtree.pyx":156
+  /* "pykdtree/kdtree.pyx":160
  *         elif distance_upper_bound is not None:
  *             if distance_upper_bound < 0:
  *                 raise ValueError('distance_upper_bound must be non negative')             # <<<<<<<<<<<<<<
  * 
  *         # Check dimensions
  */
-  __pyx_k_tuple_10 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_s_9)); if (unlikely(!__pyx_k_tuple_10)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 156; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_10);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_10));
+  __pyx_tuple__4 = PyTuple_Pack(1, __pyx_kp_s_distance_upper_bound_must_be_non); if (unlikely(!__pyx_tuple__4)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 160; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__4);
+  __Pyx_GIVEREF(__pyx_tuple__4);
 
-  /* "pykdtree/kdtree.pyx":165
+  /* "pykdtree/kdtree.pyx":169
  * 
  *         if self.ndim != q_ndim:
  *             raise ValueError('Data and query points must have same dimensions')             # <<<<<<<<<<<<<<
  * 
  *         if self.data_pts.dtype == np.float32 and query_pts.dtype != np.float32:
  */
-  __pyx_k_tuple_12 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_s_11)); if (unlikely(!__pyx_k_tuple_12)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 165; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_12);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_12));
+  __pyx_tuple__5 = PyTuple_Pack(1, __pyx_kp_s_Data_and_query_points_must_have); if (unlikely(!__pyx_tuple__5)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 169; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__5);
+  __Pyx_GIVEREF(__pyx_tuple__5);
 
-  /* "pykdtree/kdtree.pyx":168
+  /* "pykdtree/kdtree.pyx":172
  * 
  *         if self.data_pts.dtype == np.float32 and query_pts.dtype != np.float32:
  *             raise TypeError('Type mismatch. query points must be of type float32 when data points are of type float32')             # <<<<<<<<<<<<<<
  * 
  *         # Get query info
  */
-  __pyx_k_tuple_14 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_s_13)); if (unlikely(!__pyx_k_tuple_14)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 168; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_14);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_14));
+  __pyx_tuple__6 = PyTuple_Pack(1, __pyx_kp_s_Type_mismatch_query_points_must); if (unlikely(!__pyx_tuple__6)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 172; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__6);
+  __Pyx_GIVEREF(__pyx_tuple__6);
 
-  /* "numpy.pxd":215
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":215
  *             if ((flags & pybuf.PyBUF_C_CONTIGUOUS == pybuf.PyBUF_C_CONTIGUOUS)
  *                 and not PyArray_CHKFLAGS(self, NPY_C_CONTIGUOUS)):
  *                 raise ValueError(u"ndarray is not C contiguous")             # <<<<<<<<<<<<<<
  * 
  *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
  */
-  __pyx_k_tuple_16 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_u_15)); if (unlikely(!__pyx_k_tuple_16)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_16);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_16));
+  __pyx_tuple__7 = PyTuple_Pack(1, __pyx_kp_u_ndarray_is_not_C_contiguous); if (unlikely(!__pyx_tuple__7)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 215; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__7);
+  __Pyx_GIVEREF(__pyx_tuple__7);
 
-  /* "numpy.pxd":219
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":219
  *             if ((flags & pybuf.PyBUF_F_CONTIGUOUS == pybuf.PyBUF_F_CONTIGUOUS)
  *                 and not PyArray_CHKFLAGS(self, NPY_F_CONTIGUOUS)):
  *                 raise ValueError(u"ndarray is not Fortran contiguous")             # <<<<<<<<<<<<<<
  * 
  *             info.buf = PyArray_DATA(self)
  */
-  __pyx_k_tuple_18 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_u_17)); if (unlikely(!__pyx_k_tuple_18)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_18);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_18));
+  __pyx_tuple__8 = PyTuple_Pack(1, __pyx_kp_u_ndarray_is_not_Fortran_contiguou); if (unlikely(!__pyx_tuple__8)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 219; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__8);
+  __Pyx_GIVEREF(__pyx_tuple__8);
 
-  /* "numpy.pxd":257
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":257
  *                 if ((descr.byteorder == c'>' and little_endian) or
  *                     (descr.byteorder == c'<' and not little_endian)):
  *                     raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
  *                 if   t == NPY_BYTE:        f = "b"
  *                 elif t == NPY_UBYTE:       f = "B"
  */
-  __pyx_k_tuple_20 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_u_19)); if (unlikely(!__pyx_k_tuple_20)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 257; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_20);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_20));
+  __pyx_tuple__9 = PyTuple_Pack(1, __pyx_kp_u_Non_native_byte_order_not_suppor); if (unlikely(!__pyx_tuple__9)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 257; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__9);
+  __Pyx_GIVEREF(__pyx_tuple__9);
 
-  /* "numpy.pxd":799
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":799
  * 
- *         if (end - f) - (new_offset - offset[0]) < 15:
+ *         if (end - f) - <int>(new_offset - offset[0]) < 15:
  *             raise RuntimeError(u"Format string allocated too short, see comment in numpy.pxd")             # <<<<<<<<<<<<<<
  * 
  *         if ((child.byteorder == c'>' and little_endian) or
  */
-  __pyx_k_tuple_23 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_u_22)); if (unlikely(!__pyx_k_tuple_23)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_23);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_23));
+  __pyx_tuple__10 = PyTuple_Pack(1, __pyx_kp_u_Format_string_allocated_too_shor); if (unlikely(!__pyx_tuple__10)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 799; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__10);
+  __Pyx_GIVEREF(__pyx_tuple__10);
 
-  /* "numpy.pxd":803
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":803
  *         if ((child.byteorder == c'>' and little_endian) or
  *             (child.byteorder == c'<' and not little_endian)):
  *             raise ValueError(u"Non-native byte order not supported")             # <<<<<<<<<<<<<<
  *             # One could encode it in the format string and have Cython
  *             # complain instead, BUT: < and > in format strings also imply
  */
-  __pyx_k_tuple_24 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_u_19)); if (unlikely(!__pyx_k_tuple_24)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_24);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_24));
+  __pyx_tuple__11 = PyTuple_Pack(1, __pyx_kp_u_Non_native_byte_order_not_suppor); if (unlikely(!__pyx_tuple__11)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 803; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__11);
+  __Pyx_GIVEREF(__pyx_tuple__11);
 
-  /* "numpy.pxd":823
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":823
  *             t = child.type_num
  *             if end - f < 5:
  *                 raise RuntimeError(u"Format string allocated too short.")             # <<<<<<<<<<<<<<
  * 
  *             # Until ticket #99 is fixed, use integers to avoid warnings
  */
-  __pyx_k_tuple_26 = PyTuple_Pack(1, ((PyObject *)__pyx_kp_u_25)); if (unlikely(!__pyx_k_tuple_26)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_k_tuple_26);
-  __Pyx_GIVEREF(((PyObject *)__pyx_k_tuple_26));
+  __pyx_tuple__12 = PyTuple_Pack(1, __pyx_kp_u_Format_string_allocated_too_shor_2); if (unlikely(!__pyx_tuple__12)) {__pyx_filename = __pyx_f[1]; __pyx_lineno = 823; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_GOTREF(__pyx_tuple__12);
+  __Pyx_GIVEREF(__pyx_tuple__12);
   __Pyx_RefNannyFinishContext();
   return 0;
   __pyx_L1_error:;
@@ -5768,9 +6042,8 @@ static int __Pyx_InitCachedConstants(void) {
 
 static int __Pyx_InitGlobals(void) {
   if (__Pyx_InitStrings(__pyx_string_tab) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
-  __pyx_int_0 = PyInt_FromLong(0); if (unlikely(!__pyx_int_0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
-  __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
-  __pyx_int_15 = PyInt_FromLong(15); if (unlikely(!__pyx_int_15)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  __pyx_int_0 = PyInt_FromLong(0); if (unlikely(!__pyx_int_0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_int_1 = PyInt_FromLong(1); if (unlikely(!__pyx_int_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   return 0;
   __pyx_L1_error:;
   return -1;
@@ -5785,6 +6058,9 @@ PyMODINIT_FUNC PyInit_kdtree(void)
 #endif
 {
   PyObject *__pyx_t_1 = NULL;
+  int __pyx_lineno = 0;
+  const char *__pyx_filename = NULL;
+  int __pyx_clineno = 0;
   __Pyx_RefNannyDeclarations
   #if CYTHON_REFNANNY
   __Pyx_RefNanny = __Pyx_RefNannyImportAPI("refnanny");
@@ -5822,14 +6098,8 @@ PyMODINIT_FUNC PyInit_kdtree(void)
   __pyx_m = PyModule_Create(&__pyx_moduledef);
   #endif
   if (unlikely(!__pyx_m)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  #if PY_MAJOR_VERSION >= 3
-  {
-    PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    if (!PyDict_GetItemString(modules, "pykdtree.kdtree")) {
-      if (unlikely(PyDict_SetItemString(modules, "pykdtree.kdtree", __pyx_m) < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-    }
-  }
-  #endif
+  __pyx_d = PyModule_GetDict(__pyx_m); if (unlikely(!__pyx_d)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  Py_INCREF(__pyx_d);
   __pyx_b = PyImport_AddModule(__Pyx_NAMESTR(__Pyx_BUILTIN_MODULE_NAME)); if (unlikely(!__pyx_b)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   #if CYTHON_COMPILING_IN_PYPY
   Py_INCREF(__pyx_b);
@@ -5837,9 +6107,20 @@ PyMODINIT_FUNC PyInit_kdtree(void)
   if (__Pyx_SetAttrString(__pyx_m, "__builtins__", __pyx_b) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
   /*--- Initialize various global constants etc. ---*/
   if (unlikely(__Pyx_InitGlobals() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #if PY_MAJOR_VERSION < 3 && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
+  if (__Pyx_init_sys_getdefaultencoding_params() < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  #endif
   if (__pyx_module_is_main_pykdtree__kdtree) {
-    if (__Pyx_SetAttrString(__pyx_m, "__name__", __pyx_n_s____main__) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+    if (__Pyx_SetAttrString(__pyx_m, "__name__", __pyx_n_s_main) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;};
+  }
+  #if PY_MAJOR_VERSION >= 3
+  {
+    PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    if (!PyDict_GetItemString(modules, "pykdtree.kdtree")) {
+      if (unlikely(PyDict_SetItemString(modules, "pykdtree.kdtree", __pyx_m) < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+    }
   }
+  #endif
   /*--- Builtin init code ---*/
   if (unlikely(__Pyx_InitCachedBuiltins() < 0)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   /*--- Constants init code ---*/
@@ -5849,6 +6130,7 @@ PyMODINIT_FUNC PyInit_kdtree(void)
   /*--- Function export code ---*/
   /*--- Type init code ---*/
   if (PyType_Ready(&__pyx_type_8pykdtree_6kdtree_KDTree) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_type_8pykdtree_6kdtree_KDTree.tp_print = 0;
   if (__Pyx_SetAttrString(__pyx_m, "KDTree", (PyObject *)&__pyx_type_8pykdtree_6kdtree_KDTree) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __pyx_ptype_8pykdtree_6kdtree_KDTree = &__pyx_type_8pykdtree_6kdtree_KDTree;
   /*--- Type import code ---*/
@@ -5869,41 +6151,28 @@ PyMODINIT_FUNC PyInit_kdtree(void)
   /*--- Execution code ---*/
 
   /* "pykdtree/kdtree.pyx":18
- * #along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ * # with this program.  If not, see <http://www.gnu.org/licenses/>.
  * 
  * import numpy as np             # <<<<<<<<<<<<<<
  * cimport numpy as np
  * from libc.stdint cimport uint32_t, int8_t
  */
-  __pyx_t_1 = __Pyx_Import(((PyObject *)__pyx_n_s__numpy), 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __pyx_t_1 = __Pyx_Import(__pyx_n_s_numpy, 0, -1); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_GOTREF(__pyx_t_1);
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s__np, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_np, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 18; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "pykdtree/kdtree.pyx":129
- * 
- *     def query(KDTree self, np.ndarray query_pts not None, k=1, eps=0,
- *               distance_upper_bound=None, sqr_dists=False):             # <<<<<<<<<<<<<<
- *         """Query the kd-tree for nearest neighbors
- * 
- */
-  __pyx_t_1 = __Pyx_PyBool_FromLong(0); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 129; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(__pyx_t_1);
-  __pyx_k_4 = __pyx_t_1;
-  __Pyx_GIVEREF(__pyx_t_1);
-  __pyx_t_1 = 0;
-
   /* "pykdtree/kdtree.pyx":1
  * #pykdtree, Fast kd-tree implementation with OpenMP-enabled queries             # <<<<<<<<<<<<<<
  * #
- * #Copyright (C) 2013  Esben S. Nielsen
+ * #Copyright (C) 2013 - present  Esben S. Nielsen
  */
   __pyx_t_1 = PyDict_New(); if (unlikely(!__pyx_t_1)) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_GOTREF(((PyObject *)__pyx_t_1));
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s____test__, ((PyObject *)__pyx_t_1)) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
-  __Pyx_DECREF(((PyObject *)__pyx_t_1)); __pyx_t_1 = 0;
+  __Pyx_GOTREF(__pyx_t_1);
+  if (PyDict_SetItem(__pyx_d, __pyx_n_s_test, __pyx_t_1) < 0) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 1; __pyx_clineno = __LINE__; goto __pyx_L1_error;}
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "numpy.pxd":975
+  /* "/usr/lib/python2.7/dist-packages/Cython/Includes/numpy/__init__.pxd":976
  *      arr.base = baseptr
  * 
  * cdef inline object get_array_base(ndarray arr):             # <<<<<<<<<<<<<<
@@ -5945,17 +6214,15 @@ end:
 }
 #endif /* CYTHON_REFNANNY */
 
-static PyObject *__Pyx_GetName(PyObject *dict, PyObject *name) {
-    PyObject *result;
-    result = PyObject_GetAttr(dict, name);
-    if (!result) {
-        if (dict != __pyx_b) {
-            PyErr_Clear();
-            result = PyObject_GetAttr(__pyx_b, name);
-        }
-        if (!result) {
-            PyErr_SetObject(PyExc_NameError, name);
-        }
+static PyObject *__Pyx_GetBuiltinName(PyObject *name) {
+    PyObject* result = __Pyx_PyObject_GetAttrStr(__pyx_b, name);
+    if (unlikely(!result)) {
+        PyErr_Format(PyExc_NameError,
+#if PY_MAJOR_VERSION >= 3
+            "name '%U' is not defined", name);
+#else
+            "name '%.200s' is not defined", PyString_AS_STRING(name));
+#endif
     }
     return result;
 }
@@ -5980,7 +6247,7 @@ static void __Pyx_RaiseArgtupleInvalid(
         more_or_less = "exactly";
     }
     PyErr_Format(PyExc_TypeError,
-                 "%s() takes %s %" CYTHON_FORMAT_SSIZE_T "d positional argument%s (%" CYTHON_FORMAT_SSIZE_T "d given)",
+                 "%.200s() takes %.8s %" CYTHON_FORMAT_SSIZE_T "d positional argument%.1s (%" CYTHON_FORMAT_SSIZE_T "d given)",
                  func_name, more_or_less, num_expected,
                  (num_expected == 1) ? "" : "s", num_found);
 }
@@ -6009,13 +6276,13 @@ static CYTHON_INLINE int __Pyx_CheckKeywordStrings(
     return 1;
 invalid_keyword_type:
     PyErr_Format(PyExc_TypeError,
-        "%s() keywords must be strings", function_name);
+        "%.200s() keywords must be strings", function_name);
     return 0;
 #endif
 invalid_keyword:
     PyErr_Format(PyExc_TypeError,
     #if PY_MAJOR_VERSION < 3
-        "%s() got an unexpected keyword argument '%s'",
+        "%.200s() got an unexpected keyword argument '%.200s'",
         function_name, PyString_AsString(key));
     #else
         "%s() got an unexpected keyword argument '%U'",
@@ -6123,12 +6390,12 @@ arg_passed_twice:
     goto bad;
 invalid_keyword_type:
     PyErr_Format(PyExc_TypeError,
-        "%s() keywords must be strings", function_name);
+        "%.200s() keywords must be strings", function_name);
     goto bad;
 invalid_keyword:
     PyErr_Format(PyExc_TypeError,
     #if PY_MAJOR_VERSION < 3
-        "%s() got an unexpected keyword argument '%s'",
+        "%.200s() got an unexpected keyword argument '%.200s'",
         function_name, PyString_AsString(key));
     #else
         "%s() got an unexpected keyword argument '%U'",
@@ -6138,26 +6405,55 @@ bad:
     return -1;
 }
 
-static int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
+static void __Pyx_RaiseArgumentTypeInvalid(const char* name, PyObject *obj, PyTypeObject *type) {
+    PyErr_Format(PyExc_TypeError,
+        "Argument '%.200s' has incorrect type (expected %.200s, got %.200s)",
+        name, type->tp_name, Py_TYPE(obj)->tp_name);
+}
+static CYTHON_INLINE int __Pyx_ArgTypeTest(PyObject *obj, PyTypeObject *type, int none_allowed,
     const char *name, int exact)
 {
-    if (!type) {
-        PyErr_Format(PyExc_SystemError, "Missing type object");
+    if (unlikely(!type)) {
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
         return 0;
     }
     if (none_allowed && obj == Py_None) return 1;
     else if (exact) {
-        if (Py_TYPE(obj) == type) return 1;
+        if (likely(Py_TYPE(obj) == type)) return 1;
+        #if PY_MAJOR_VERSION == 2
+        else if ((type == &PyBaseString_Type) && likely(__Pyx_PyBaseString_CheckExact(obj))) return 1;
+        #endif
     }
     else {
-        if (PyObject_TypeCheck(obj, type)) return 1;
+        if (likely(PyObject_TypeCheck(obj, type))) return 1;
     }
-    PyErr_Format(PyExc_TypeError,
-        "Argument '%s' has incorrect type (expected %s, got %s)",
-        name, type->tp_name, Py_TYPE(obj)->tp_name);
+    __Pyx_RaiseArgumentTypeInvalid(name, obj, type);
     return 0;
 }
 
+#if CYTHON_COMPILING_IN_CPYTHON
+static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
+    PyObject *result;
+    ternaryfunc call = func->ob_type->tp_call;
+    if (unlikely(!call))
+        return PyObject_Call(func, arg, kw);
+#if PY_VERSION_HEX >= 0x02060000
+    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
+        return NULL;
+#endif
+    result = (*call)(func, arg, kw);
+#if PY_VERSION_HEX >= 0x02060000
+    Py_LeaveRecursiveCall();
+#endif
+    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
+        PyErr_SetString(
+            PyExc_SystemError,
+            "NULL result without error in PyObject_Call");
+    }
+    return result;
+}
+#endif
+
 static CYTHON_INLINE void __Pyx_ErrRestore(PyObject *type, PyObject *value, PyObject *tb) {
 #if CYTHON_COMPILING_IN_CPYTHON
     PyObject *tmp_type, *tmp_value, *tmp_tb;
@@ -6227,24 +6523,23 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
         }
         value = type;
         #if PY_VERSION_HEX < 0x02050000
-            if (PyInstance_Check(type)) {
-                type = (PyObject*) ((PyInstanceObject*)type)->in_class;
-                Py_INCREF(type);
-            }
-            else {
-                type = 0;
-                PyErr_SetString(PyExc_TypeError,
-                    "raise: exception must be an old-style class or instance");
-                goto raise_error;
-            }
-        #else
-            type = (PyObject*) Py_TYPE(type);
+        if (PyInstance_Check(type)) {
+            type = (PyObject*) ((PyInstanceObject*)type)->in_class;
             Py_INCREF(type);
-            if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-                PyErr_SetString(PyExc_TypeError,
-                    "raise: exception class must be a subclass of BaseException");
-                goto raise_error;
-            }
+        } else {
+            type = 0;
+            PyErr_SetString(PyExc_TypeError,
+                "raise: exception must be an old-style class or instance");
+            goto raise_error;
+        }
+        #else
+        type = (PyObject*) Py_TYPE(type);
+        Py_INCREF(type);
+        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
+            PyErr_SetString(PyExc_TypeError,
+                "raise: exception class must be a subclass of BaseException");
+            goto raise_error;
+        }
         #endif
     }
     __Pyx_ErrRestore(type, value, tb);
@@ -6276,46 +6571,62 @@ static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject
         value = type;
         type = (PyObject*) Py_TYPE(value);
     } else if (PyExceptionClass_Check(type)) {
-        PyObject *args;
-        if (!value)
-            args = PyTuple_New(0);
-        else if (PyTuple_Check(value)) {
-            Py_INCREF(value);
-            args = value;
+        PyObject *instance_class = NULL;
+        if (value && PyExceptionInstance_Check(value)) {
+            instance_class = (PyObject*) Py_TYPE(value);
+            if (instance_class != type) {
+                if (PyObject_IsSubclass(instance_class, type)) {
+                    type = instance_class;
+                } else {
+                    instance_class = NULL;
+                }
+            }
         }
-        else
-            args = PyTuple_Pack(1, value);
-        if (!args)
-            goto bad;
-        owned_instance = PyEval_CallObject(type, args);
-        Py_DECREF(args);
-        if (!owned_instance)
-            goto bad;
-        value = owned_instance;
-        if (!PyExceptionInstance_Check(value)) {
-            PyErr_Format(PyExc_TypeError,
-                         "calling %R should have returned an instance of "
-                         "BaseException, not %R",
-                         type, Py_TYPE(value));
-            goto bad;
+        if (!instance_class) {
+            PyObject *args;
+            if (!value)
+                args = PyTuple_New(0);
+            else if (PyTuple_Check(value)) {
+                Py_INCREF(value);
+                args = value;
+            } else
+                args = PyTuple_Pack(1, value);
+            if (!args)
+                goto bad;
+            owned_instance = PyObject_Call(type, args, NULL);
+            Py_DECREF(args);
+            if (!owned_instance)
+                goto bad;
+            value = owned_instance;
+            if (!PyExceptionInstance_Check(value)) {
+                PyErr_Format(PyExc_TypeError,
+                             "calling %R should have returned an instance of "
+                             "BaseException, not %R",
+                             type, Py_TYPE(value));
+                goto bad;
+            }
         }
     } else {
         PyErr_SetString(PyExc_TypeError,
             "raise: exception class must be a subclass of BaseException");
         goto bad;
     }
+#if PY_VERSION_HEX >= 0x03030000
+    if (cause) {
+#else
     if (cause && cause != Py_None) {
+#endif
         PyObject *fixed_cause;
-        if (PyExceptionClass_Check(cause)) {
+        if (cause == Py_None) {
+            fixed_cause = NULL;
+        } else if (PyExceptionClass_Check(cause)) {
             fixed_cause = PyObject_CallObject(cause, NULL);
             if (fixed_cause == NULL)
                 goto bad;
-        }
-        else if (PyExceptionInstance_Check(cause)) {
+        } else if (PyExceptionInstance_Check(cause)) {
             fixed_cause = cause;
             Py_INCREF(fixed_cause);
-        }
-        else {
+        } else {
             PyErr_SetString(PyExc_TypeError,
                             "exception causes must derive from "
                             "BaseException");
@@ -6339,9 +6650,26 @@ bad:
 }
 #endif
 
+static CYTHON_INLINE PyObject *__Pyx_GetModuleGlobalName(PyObject *name) {
+    PyObject *result;
+#if CYTHON_COMPILING_IN_CPYTHON
+    result = PyDict_GetItem(__pyx_d, name);
+    if (result) {
+        Py_INCREF(result);
+    } else {
+#else
+    result = PyObject_GetItem(__pyx_d, name);
+    if (!result) {
+        PyErr_Clear();
+#endif
+        result = __Pyx_GetBuiltinName(name);
+    }
+    return result;
+}
+
 static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
     if (unlikely(!type)) {
-        PyErr_Format(PyExc_SystemError, "Missing type object");
+        PyErr_SetString(PyExc_SystemError, "Missing type object");
         return 0;
     }
     if (likely(PyObject_TypeCheck(obj, type)))
@@ -6691,8 +7019,10 @@ __pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
     }
     if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
     while (*ts && *ts != ')') {
-        if (isspace(*ts))
-            continue;
+        switch (*ts) {
+            case ' ': case '\f': case '\r': case '\n': case '\t': case '\v':  continue;
+            default:  break;  /* not a 'break' in the loop */
+        }
         number = __Pyx_BufFmt_ExpectNumber(&ts);
         if (number == -1) return NULL;
         if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
@@ -6732,10 +7062,10 @@ static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const cha
           __Pyx_BufFmt_RaiseExpected(ctx);
           return NULL;
         }
-                return ts;
+        return ts;
       case ' ':
-      case 10:
-      case 13:
+      case '\r':
+      case '\n':
         ++ts;
         break;
       case '<':
@@ -6811,21 +7141,25 @@ static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const cha
         if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
           __Pyx_BufFmt_RaiseUnexpectedChar('Z');
           return NULL;
-        }        /* fall through */
+        }
       case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
       case 'l': case 'L': case 'q': case 'Q':
       case 'f': case 'd': case 'g':
-      case 'O': case 's': case 'p':
+      case 'O': case 'p':
         if (ctx->enc_type == *ts && got_Z == ctx->is_complex &&
             ctx->enc_packmode == ctx->new_packmode) {
           ctx->enc_count += ctx->new_count;
-        } else {
-          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
-          ctx->enc_count = ctx->new_count;
-          ctx->enc_packmode = ctx->new_packmode;
-          ctx->enc_type = *ts;
-          ctx->is_complex = got_Z;
+          ctx->new_count = 1;
+          got_Z = 0;
+          ++ts;
+          break;
         }
+      case 's':
+        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
+        ctx->enc_count = ctx->new_count;
+        ctx->enc_packmode = ctx->new_packmode;
+        ctx->enc_type = *ts;
+        ctx->is_complex = got_Z;
         ++ts;
         ctx->new_count = 1;
         got_Z = 0;
@@ -6895,7 +7229,7 @@ static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
 }
 
 static void __Pyx_RaiseBufferFallbackError(void) {
-  PyErr_Format(PyExc_ValueError,
+  PyErr_SetString(PyExc_ValueError,
      "Buffer acquisition failed on assignment; and then reacquiring the old buffer failed too!");
 }
 
@@ -6906,7 +7240,7 @@ static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) {
 
 static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) {
     PyErr_Format(PyExc_ValueError,
-                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%s to unpack",
+                 "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack",
                  index, (index == 1) ? "" : "s");
 }
 
@@ -6914,96 +7248,53 @@ static CYTHON_INLINE void __Pyx_RaiseNoneNotIterableError(void) {
     PyErr_SetString(PyExc_TypeError, "'NoneType' object is not iterable");
 }
 
-static CYTHON_INLINE int __Pyx_IterFinish(void) {
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyThreadState *tstate = PyThreadState_GET();
-    PyObject* exc_type = tstate->curexc_type;
-    if (unlikely(exc_type)) {
-        if (likely(exc_type == PyExc_StopIteration) || PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration)) {
-            PyObject *exc_value, *exc_tb;
-            exc_value = tstate->curexc_value;
-            exc_tb = tstate->curexc_traceback;
-            tstate->curexc_type = 0;
-            tstate->curexc_value = 0;
-            tstate->curexc_traceback = 0;
-            Py_DECREF(exc_type);
-            Py_XDECREF(exc_value);
-            Py_XDECREF(exc_tb);
-            return 0;
-        } else {
-            return -1;
-        }
-    }
-    return 0;
-#else
-    if (unlikely(PyErr_Occurred())) {
-        if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) {
-            PyErr_Clear();
-            return 0;
-        } else {
-            return -1;
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_uint32_t(uint32_t value) {
+    const uint32_t neg_one = (uint32_t) -1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(uint32_t) < sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(uint32_t) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+        } else if (sizeof(uint32_t) <= sizeof(unsigned long long)) {
+            return PyLong_FromUnsignedLongLong((unsigned long long) value);
         }
-    }
-    return 0;
-#endif
-}
-
-static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) {
-    if (unlikely(retval)) {
-        Py_DECREF(retval);
-        __Pyx_RaiseTooManyValuesError(expected);
-        return -1;
     } else {
-        return __Pyx_IterFinish();
+        if (sizeof(uint32_t) <= sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(uint32_t) <= sizeof(long long)) {
+            return PyLong_FromLongLong((long long) value);
+        }
     }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_uint32_t(uint32_t val) {
-    const uint32_t neg_one = (uint32_t)-1, const_zero = (uint32_t)0;
-    const int is_unsigned = const_zero < neg_one;
-    if ((sizeof(uint32_t) == sizeof(char))  ||
-        (sizeof(uint32_t) == sizeof(short))) {
-        return PyInt_FromLong((long)val);
-    } else if ((sizeof(uint32_t) == sizeof(int)) ||
-               (sizeof(uint32_t) == sizeof(long))) {
-        if (is_unsigned)
-            return PyLong_FromUnsignedLong((unsigned long)val);
-        else
-            return PyInt_FromLong((long)val);
-    } else if (sizeof(uint32_t) == sizeof(PY_LONG_LONG)) {
-        if (is_unsigned)
-            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG)val);
-        else
-            return PyLong_FromLongLong((PY_LONG_LONG)val);
-    } else {
+    {
         int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&val;
+        unsigned char *bytes = (unsigned char *)&value;
         return _PyLong_FromByteArray(bytes, sizeof(uint32_t),
                                      little, !is_unsigned);
     }
 }
 
-static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_int8_t(int8_t val) {
-    const int8_t neg_one = (int8_t)-1, const_zero = (int8_t)0;
-    const int is_unsigned = const_zero < neg_one;
-    if ((sizeof(int8_t) == sizeof(char))  ||
-        (sizeof(int8_t) == sizeof(short))) {
-        return PyInt_FromLong((long)val);
-    } else if ((sizeof(int8_t) == sizeof(int)) ||
-               (sizeof(int8_t) == sizeof(long))) {
-        if (is_unsigned)
-            return PyLong_FromUnsignedLong((unsigned long)val);
-        else
-            return PyInt_FromLong((long)val);
-    } else if (sizeof(int8_t) == sizeof(PY_LONG_LONG)) {
-        if (is_unsigned)
-            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG)val);
-        else
-            return PyLong_FromLongLong((PY_LONG_LONG)val);
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int8_t(int8_t value) {
+    const int8_t neg_one = (int8_t) -1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+    if (is_unsigned) {
+        if (sizeof(int8_t) < sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(int8_t) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+        } else if (sizeof(int8_t) <= sizeof(unsigned long long)) {
+            return PyLong_FromUnsignedLongLong((unsigned long long) value);
+        }
     } else {
+        if (sizeof(int8_t) <= sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(int8_t) <= sizeof(long long)) {
+            return PyLong_FromLongLong((long long) value);
+        }
+    }
+    {
         int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&val;
+        unsigned char *bytes = (unsigned char *)&value;
         return _PyLong_FromByteArray(bytes, sizeof(int8_t),
                                      little, !is_unsigned);
     }
@@ -7011,30 +7302,26 @@ static CYTHON_INLINE PyObject *__Pyx_PyInt_to_py_int8_t(int8_t val) {
 
 #if PY_MAJOR_VERSION < 3
 static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
-    CYTHON_UNUSED PyObject *getbuffer_cobj;
   #if PY_VERSION_HEX >= 0x02060000
     if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
   #endif
         if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) return __pyx_pw_5numpy_7ndarray_1__getbuffer__(obj, view, flags);
   #if PY_VERSION_HEX < 0x02060000
-    if (obj->ob_type->tp_dict &&
-        (getbuffer_cobj = PyMapping_GetItemString(obj->ob_type->tp_dict,
-                                             "__pyx_getbuffer"))) {
-        getbufferproc func;
-      #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION == 0)
-        func = (getbufferproc) PyCapsule_GetPointer(getbuffer_cobj, "getbuffer(obj, view, flags)");
-      #else
-        func = (getbufferproc) PyCObject_AsVoidPtr(getbuffer_cobj);
-      #endif
-        Py_DECREF(getbuffer_cobj);
-        if (!func)
-            goto fail;
-        return func(obj, view, flags);
-    } else {
-        PyErr_Clear();
+    if (obj->ob_type->tp_dict) {
+        PyObject *getbuffer_cobj = PyObject_GetItem(
+            obj->ob_type->tp_dict, __pyx_n_s_pyx_getbuffer);
+        if (getbuffer_cobj) {
+            getbufferproc func = (getbufferproc) PyCObject_AsVoidPtr(getbuffer_cobj);
+            Py_DECREF(getbuffer_cobj);
+            if (!func)
+                goto fail;
+            return func(obj, view, flags);
+        } else {
+            PyErr_Clear();
+        }
     }
   #endif
-    PyErr_Format(PyExc_TypeError, "'%100s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
+    PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
 #if PY_VERSION_HEX < 0x02060000
 fail:
 #endif
@@ -7042,7 +7329,6 @@ fail:
 }
 static void __Pyx_ReleaseBuffer(Py_buffer *view) {
     PyObject *obj = view->obj;
-    CYTHON_UNUSED PyObject *releasebuffer_cobj;
     if (!obj) return;
   #if PY_VERSION_HEX >= 0x02060000
     if (PyObject_CheckBuffer(obj)) {
@@ -7052,22 +7338,19 @@ static void __Pyx_ReleaseBuffer(Py_buffer *view) {
   #endif
         if (PyObject_TypeCheck(obj, __pyx_ptype_5numpy_ndarray)) { __pyx_pw_5numpy_7ndarray_3__releasebuffer__(obj, view); return; }
   #if PY_VERSION_HEX < 0x02060000
-    if (obj->ob_type->tp_dict &&
-        (releasebuffer_cobj = PyMapping_GetItemString(obj->ob_type->tp_dict,
-                                                      "__pyx_releasebuffer"))) {
-        releasebufferproc func;
-      #if PY_VERSION_HEX >= 0x02070000 && !(PY_MAJOR_VERSION == 3 && PY_MINOR_VERSION == 0)
-        func = (releasebufferproc) PyCapsule_GetPointer(releasebuffer_cobj, "releasebuffer(obj, view)");
-      #else
-        func = (releasebufferproc) PyCObject_AsVoidPtr(releasebuffer_cobj);
-      #endif
-        Py_DECREF(releasebuffer_cobj);
-        if (!func)
-            goto fail;
-        func(obj, view);
-        return;
-    } else {
-        PyErr_Clear();
+    if (obj->ob_type->tp_dict) {
+        PyObject *releasebuffer_cobj = PyObject_GetItem(
+            obj->ob_type->tp_dict, __pyx_n_s_pyx_releasebuffer);
+        if (releasebuffer_cobj) {
+            releasebufferproc func = (releasebufferproc) PyCObject_AsVoidPtr(releasebuffer_cobj);
+            Py_DECREF(releasebuffer_cobj);
+            if (!func)
+                goto fail;
+            func(obj, view);
+            return;
+        } else {
+            PyErr_Clear();
+        }
     }
   #endif
     goto nofail;
@@ -7082,15 +7365,15 @@ nofail:
 #endif /*  PY_MAJOR_VERSION < 3 */
 
 
-    static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
+        static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
     PyObject *empty_list = 0;
     PyObject *module = 0;
     PyObject *global_dict = 0;
     PyObject *empty_dict = 0;
     PyObject *list;
     #if PY_VERSION_HEX < 0x03030000
-    PyObject *py_import = 0;
-    py_import = __Pyx_GetAttrString(__pyx_b, "__import__");
+    PyObject *py_import;
+    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
     if (!py_import)
         goto bad;
     #endif
@@ -7164,68 +7447,227 @@ bad:
     return module;
 }
 
-static CYTHON_INLINE uint32_t __Pyx_PyInt_from_py_uint32_t(PyObject* x) {
-    const uint32_t neg_one = (uint32_t)-1, const_zero = (uint32_t)0;
-    const int is_unsigned = const_zero < neg_one;
-    if (sizeof(uint32_t) == sizeof(char)) {
-        if (is_unsigned)
-            return (uint32_t)__Pyx_PyInt_AsUnsignedChar(x);
-        else
-            return (uint32_t)__Pyx_PyInt_AsSignedChar(x);
-    } else if (sizeof(uint32_t) == sizeof(short)) {
-        if (is_unsigned)
-            return (uint32_t)__Pyx_PyInt_AsUnsignedShort(x);
-        else
-            return (uint32_t)__Pyx_PyInt_AsSignedShort(x);
-    } else if (sizeof(uint32_t) == sizeof(int)) {
-        if (is_unsigned)
-            return (uint32_t)__Pyx_PyInt_AsUnsignedInt(x);
-        else
-            return (uint32_t)__Pyx_PyInt_AsSignedInt(x);
-    } else if (sizeof(uint32_t) == sizeof(long)) {
-        if (is_unsigned)
-            return (uint32_t)__Pyx_PyInt_AsUnsignedLong(x);
-        else
-            return (uint32_t)__Pyx_PyInt_AsSignedLong(x);
-    } else if (sizeof(uint32_t) == sizeof(PY_LONG_LONG)) {
-        if (is_unsigned)
-            return (uint32_t)__Pyx_PyInt_AsUnsignedLongLong(x);
-        else
-            return (uint32_t)__Pyx_PyInt_AsSignedLongLong(x);
-    }  else {
-        #if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-        PyErr_SetString(PyExc_RuntimeError,
-                        "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-        #else
-        uint32_t val;
-        PyObject *v = __Pyx_PyNumber_Int(x);
-        #if PY_VERSION_HEX < 0x03000000
-        if (likely(v) && !PyLong_Check(v)) {
-            PyObject *tmp = v;
-            v = PyNumber_Long(tmp);
-            Py_DECREF(tmp);
-        }
-        #endif
-        if (likely(v)) {
-            int one = 1; int is_little = (int)*(unsigned char *)&one;
-            unsigned char *bytes = (unsigned char *)&val;
-            int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                          bytes, sizeof(val),
-                                          is_little, !is_unsigned);
-            Py_DECREF(v);
-            if (likely(!ret))
-                return val;
+#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func)             \
+    {                                                                     \
+        func_type value = func(x);                                        \
+        if (sizeof(target_type) < sizeof(func_type)) {                    \
+            if (unlikely(value != (func_type) (target_type) value)) {     \
+                func_type zero = 0;                                       \
+                PyErr_SetString(PyExc_OverflowError,                      \
+                    (is_unsigned && unlikely(value < zero)) ?             \
+                    "can't convert negative value to " #target_type :     \
+                    "value too large to convert to " #target_type);       \
+                return (target_type) -1;                                  \
+            }                                                             \
+        }                                                                 \
+        return (target_type) value;                                       \
+    }
+
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+  #include "longintrepr.h"
+ #endif
+#endif
+static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
+    const int neg_one = (int) -1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_MAJOR_VERSION < 3
+    if (likely(PyInt_Check(x))) {
+        if (sizeof(int) < sizeof(long)) {
+            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG)
+        } else {
+            long val = PyInt_AS_LONG(x);
+            if (is_unsigned && unlikely(val < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to int");
+                return (int) -1;
+            }
+            return (int) val;
         }
-        #endif
-        return (uint32_t)-1;
-    }
-}
-
-#if CYTHON_CCOMPLEX
-  #ifdef __cplusplus
-    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
-      return ::std::complex< float >(x, y);
-    }
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(int)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return (int) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
+#endif
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to int");
+                return (int) -1;
+            }
+            if (sizeof(int) <= sizeof(unsigned long)) {
+                __PYX_VERIFY_RETURN_INT(int, unsigned long, PyLong_AsUnsignedLong)
+            } else if (sizeof(int) <= sizeof(unsigned long long)) {
+                __PYX_VERIFY_RETURN_INT(int, unsigned long long, PyLong_AsUnsignedLongLong)
+            }
+        } else {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(int)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return +(int) ((PyLongObject*)x)->ob_digit[0];
+                    case -1: return -(int) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
+#endif
+            if (sizeof(int) <= sizeof(long)) {
+                __PYX_VERIFY_RETURN_INT(int, long, PyLong_AsLong)
+            } else if (sizeof(int) <= sizeof(long long)) {
+                __PYX_VERIFY_RETURN_INT(int, long long, PyLong_AsLongLong)
+            }
+        }
+        {
+#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
+            PyErr_SetString(PyExc_RuntimeError,
+                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
+#else
+            int val;
+            PyObject *v = __Pyx_PyNumber_Int(x);
+ #if PY_MAJOR_VERSION < 3
+            if (likely(v) && !PyLong_Check(v)) {
+                PyObject *tmp = v;
+                v = PyNumber_Long(tmp);
+                Py_DECREF(tmp);
+            }
+ #endif
+            if (likely(v)) {
+                int one = 1; int is_little = (int)*(unsigned char *)&one;
+                unsigned char *bytes = (unsigned char *)&val;
+                int ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                              bytes, sizeof(val),
+                                              is_little, !is_unsigned);
+                Py_DECREF(v);
+                if (likely(!ret))
+                    return val;
+            }
+#endif
+            return (int) -1;
+        }
+    } else {
+        int val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (int) -1;
+        val = __Pyx_PyInt_As_int(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+  #include "longintrepr.h"
+ #endif
+#endif
+static CYTHON_INLINE uint32_t __Pyx_PyInt_As_uint32_t(PyObject *x) {
+    const uint32_t neg_one = (uint32_t) -1, const_zero = 0;
+    const int is_unsigned = neg_one > const_zero;
+#if PY_MAJOR_VERSION < 3
+    if (likely(PyInt_Check(x))) {
+        if (sizeof(uint32_t) < sizeof(long)) {
+            __PYX_VERIFY_RETURN_INT(uint32_t, long, PyInt_AS_LONG)
+        } else {
+            long val = PyInt_AS_LONG(x);
+            if (is_unsigned && unlikely(val < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to uint32_t");
+                return (uint32_t) -1;
+            }
+            return (uint32_t) val;
+        }
+    } else
+#endif
+    if (likely(PyLong_Check(x))) {
+        if (is_unsigned) {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(uint32_t)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return (uint32_t) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
+#endif
+            if (unlikely(Py_SIZE(x) < 0)) {
+                PyErr_SetString(PyExc_OverflowError,
+                                "can't convert negative value to uint32_t");
+                return (uint32_t) -1;
+            }
+            if (sizeof(uint32_t) <= sizeof(unsigned long)) {
+                __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long, PyLong_AsUnsignedLong)
+            } else if (sizeof(uint32_t) <= sizeof(unsigned long long)) {
+                __PYX_VERIFY_RETURN_INT(uint32_t, unsigned long long, PyLong_AsUnsignedLongLong)
+            }
+        } else {
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(uint32_t)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return +(uint32_t) ((PyLongObject*)x)->ob_digit[0];
+                    case -1: return -(uint32_t) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
+#endif
+            if (sizeof(uint32_t) <= sizeof(long)) {
+                __PYX_VERIFY_RETURN_INT(uint32_t, long, PyLong_AsLong)
+            } else if (sizeof(uint32_t) <= sizeof(long long)) {
+                __PYX_VERIFY_RETURN_INT(uint32_t, long long, PyLong_AsLongLong)
+            }
+        }
+        {
+#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
+            PyErr_SetString(PyExc_RuntimeError,
+                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
+#else
+            uint32_t val;
+            PyObject *v = __Pyx_PyNumber_Int(x);
+ #if PY_MAJOR_VERSION < 3
+            if (likely(v) && !PyLong_Check(v)) {
+                PyObject *tmp = v;
+                v = PyNumber_Long(tmp);
+                Py_DECREF(tmp);
+            }
+ #endif
+            if (likely(v)) {
+                int one = 1; int is_little = (int)*(unsigned char *)&one;
+                unsigned char *bytes = (unsigned char *)&val;
+                int ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                              bytes, sizeof(val),
+                                              is_little, !is_unsigned);
+                Py_DECREF(v);
+                if (likely(!ret))
+                    return val;
+            }
+#endif
+            return (uint32_t) -1;
+        }
+    } else {
+        uint32_t val;
+        PyObject *tmp = __Pyx_PyNumber_Int(x);
+        if (!tmp) return (uint32_t) -1;
+        val = __Pyx_PyInt_As_uint32_t(tmp);
+        Py_DECREF(tmp);
+        return val;
+    }
+}
+
+#if CYTHON_CCOMPLEX
+  #ifdef __cplusplus
+    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
+      return ::std::complex< float >(x, y);
+    }
   #else
     static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
       return x + y*(__pyx_t_float_complex)_Complex_I;
@@ -7461,401 +7903,153 @@ static CYTHON_INLINE uint32_t __Pyx_PyInt_from_py_uint32_t(PyObject* x) {
     #endif
 #endif
 
-static CYTHON_INLINE unsigned char __Pyx_PyInt_AsUnsignedChar(PyObject* x) {
-    const unsigned char neg_one = (unsigned char)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(unsigned char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(unsigned char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to unsigned char" :
-                    "value too large to convert to unsigned char");
-            }
-            return (unsigned char)-1;
-        }
-        return (unsigned char)val;
-    }
-    return (unsigned char)__Pyx_PyInt_AsUnsignedLong(x);
-}
-
-static CYTHON_INLINE unsigned short __Pyx_PyInt_AsUnsignedShort(PyObject* x) {
-    const unsigned short neg_one = (unsigned short)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(unsigned short) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(unsigned short)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to unsigned short" :
-                    "value too large to convert to unsigned short");
-            }
-            return (unsigned short)-1;
-        }
-        return (unsigned short)val;
-    }
-    return (unsigned short)__Pyx_PyInt_AsUnsignedLong(x);
-}
-
-static CYTHON_INLINE unsigned int __Pyx_PyInt_AsUnsignedInt(PyObject* x) {
-    const unsigned int neg_one = (unsigned int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(unsigned int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(unsigned int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to unsigned int" :
-                    "value too large to convert to unsigned int");
-            }
-            return (unsigned int)-1;
-        }
-        return (unsigned int)val;
-    }
-    return (unsigned int)__Pyx_PyInt_AsUnsignedLong(x);
-}
-
-static CYTHON_INLINE char __Pyx_PyInt_AsChar(PyObject* x) {
-    const char neg_one = (char)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to char" :
-                    "value too large to convert to char");
-            }
-            return (char)-1;
-        }
-        return (char)val;
-    }
-    return (char)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE short __Pyx_PyInt_AsShort(PyObject* x) {
-    const short neg_one = (short)-1, const_zero = 0;
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
+    const int neg_one = (int) -1, const_zero = 0;
     const int is_unsigned = neg_one > const_zero;
-    if (sizeof(short) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(short)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to short" :
-                    "value too large to convert to short");
-            }
-            return (short)-1;
+    if (is_unsigned) {
+        if (sizeof(int) < sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(int) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+        } else if (sizeof(int) <= sizeof(unsigned long long)) {
+            return PyLong_FromUnsignedLongLong((unsigned long long) value);
         }
-        return (short)val;
-    }
-    return (short)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE int __Pyx_PyInt_AsInt(PyObject* x) {
-    const int neg_one = (int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to int" :
-                    "value too large to convert to int");
-            }
-            return (int)-1;
+    } else {
+        if (sizeof(int) <= sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(int) <= sizeof(long long)) {
+            return PyLong_FromLongLong((long long) value);
         }
-        return (int)val;
     }
-    return (int)__Pyx_PyInt_AsLong(x);
-}
-
-static CYTHON_INLINE signed char __Pyx_PyInt_AsSignedChar(PyObject* x) {
-    const signed char neg_one = (signed char)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed char) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed char)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed char" :
-                    "value too large to convert to signed char");
-            }
-            return (signed char)-1;
-        }
-        return (signed char)val;
+    {
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&value;
+        return _PyLong_FromByteArray(bytes, sizeof(int),
+                                     little, !is_unsigned);
     }
-    return (signed char)__Pyx_PyInt_AsSignedLong(x);
 }
 
-static CYTHON_INLINE signed short __Pyx_PyInt_AsSignedShort(PyObject* x) {
-    const signed short neg_one = (signed short)-1, const_zero = 0;
+static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
+    const long neg_one = (long) -1, const_zero = 0;
     const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed short) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed short)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed short" :
-                    "value too large to convert to signed short");
-            }
-            return (signed short)-1;
+    if (is_unsigned) {
+        if (sizeof(long) < sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(long) <= sizeof(unsigned long)) {
+            return PyLong_FromUnsignedLong((unsigned long) value);
+        } else if (sizeof(long) <= sizeof(unsigned long long)) {
+            return PyLong_FromUnsignedLongLong((unsigned long long) value);
         }
-        return (signed short)val;
-    }
-    return (signed short)__Pyx_PyInt_AsSignedLong(x);
-}
-
-static CYTHON_INLINE signed int __Pyx_PyInt_AsSignedInt(PyObject* x) {
-    const signed int neg_one = (signed int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(signed int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(signed int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to signed int" :
-                    "value too large to convert to signed int");
-            }
-            return (signed int)-1;
+    } else {
+        if (sizeof(long) <= sizeof(long)) {
+            return PyInt_FromLong((long) value);
+        } else if (sizeof(long) <= sizeof(long long)) {
+            return PyLong_FromLongLong((long long) value);
         }
-        return (signed int)val;
     }
-    return (signed int)__Pyx_PyInt_AsSignedLong(x);
-}
-
-static CYTHON_INLINE int __Pyx_PyInt_AsLongDouble(PyObject* x) {
-    const int neg_one = (int)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-    if (sizeof(int) < sizeof(long)) {
-        long val = __Pyx_PyInt_AsLong(x);
-        if (unlikely(val != (long)(int)val)) {
-            if (!unlikely(val == -1 && PyErr_Occurred())) {
-                PyErr_SetString(PyExc_OverflowError,
-                    (is_unsigned && unlikely(val < 0)) ?
-                    "can't convert negative value to int" :
-                    "value too large to convert to int");
-            }
-            return (int)-1;
-        }
-        return (int)val;
+    {
+        int one = 1; int little = (int)*(unsigned char *)&one;
+        unsigned char *bytes = (unsigned char *)&value;
+        return _PyLong_FromByteArray(bytes, sizeof(long),
+                                     little, !is_unsigned);
     }
-    return (int)__Pyx_PyInt_AsLong(x);
 }
 
-static CYTHON_INLINE unsigned long __Pyx_PyInt_AsUnsignedLong(PyObject* x) {
-    const unsigned long neg_one = (unsigned long)-1, const_zero = 0;
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+  #include "longintrepr.h"
+ #endif
+#endif
+static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
+    const long neg_one = (long) -1, const_zero = 0;
     const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
+#if PY_MAJOR_VERSION < 3
     if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to unsigned long");
-            return (unsigned long)-1;
-        }
-        return (unsigned long)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
+        if (sizeof(long) < sizeof(long)) {
+            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG)
+        } else {
+            long val = PyInt_AS_LONG(x);
+            if (is_unsigned && unlikely(val < 0)) {
                 PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to unsigned long");
-                return (unsigned long)-1;
+                                "can't convert negative value to long");
+                return (long) -1;
             }
-            return (unsigned long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (unsigned long)PyLong_AsLong(x);
-        }
-    } else {
-        unsigned long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (unsigned long)-1;
-        val = __Pyx_PyInt_AsUnsignedLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE unsigned PY_LONG_LONG __Pyx_PyInt_AsUnsignedLongLong(PyObject* x) {
-    const unsigned PY_LONG_LONG neg_one = (unsigned PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to unsigned PY_LONG_LONG");
-            return (unsigned PY_LONG_LONG)-1;
+            return (long) val;
         }
-        return (unsigned PY_LONG_LONG)val;
     } else
 #endif
     if (likely(PyLong_Check(x))) {
         if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to unsigned PY_LONG_LONG");
-                return (unsigned PY_LONG_LONG)-1;
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(long)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return (long) ((PyLongObject*)x)->ob_digit[0];
+                }
             }
-            return (unsigned PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
-        } else {
-            return (unsigned PY_LONG_LONG)PyLong_AsLongLong(x);
-        }
-    } else {
-        unsigned PY_LONG_LONG val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (unsigned PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsUnsignedLongLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE long __Pyx_PyInt_AsLong(PyObject* x) {
-    const long neg_one = (long)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to long");
-            return (long)-1;
-        }
-        return (long)val;
-    } else
+ #endif
 #endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
             if (unlikely(Py_SIZE(x) < 0)) {
                 PyErr_SetString(PyExc_OverflowError,
                                 "can't convert negative value to long");
-                return (long)-1;
+                return (long) -1;
             }
-            return (long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (long)PyLong_AsLong(x);
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (long)-1;
-        val = __Pyx_PyInt_AsLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE PY_LONG_LONG __Pyx_PyInt_AsLongLong(PyObject* x) {
-    const PY_LONG_LONG neg_one = (PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to PY_LONG_LONG");
-            return (PY_LONG_LONG)-1;
-        }
-        return (PY_LONG_LONG)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to PY_LONG_LONG");
-                return (PY_LONG_LONG)-1;
+            if (sizeof(long) <= sizeof(unsigned long)) {
+                __PYX_VERIFY_RETURN_INT(long, unsigned long, PyLong_AsUnsignedLong)
+            } else if (sizeof(long) <= sizeof(unsigned long long)) {
+                __PYX_VERIFY_RETURN_INT(long, unsigned long long, PyLong_AsUnsignedLongLong)
             }
-            return (PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
         } else {
-            return (PY_LONG_LONG)PyLong_AsLongLong(x);
-        }
-    } else {
-        PY_LONG_LONG val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsLongLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE signed long __Pyx_PyInt_AsSignedLong(PyObject* x) {
-    const signed long neg_one = (signed long)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to signed long");
-            return (signed long)-1;
-        }
-        return (signed long)val;
-    } else
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+            if (sizeof(digit) <= sizeof(long)) {
+                switch (Py_SIZE(x)) {
+                    case  0: return 0;
+                    case  1: return +(long) ((PyLongObject*)x)->ob_digit[0];
+                    case -1: return -(long) ((PyLongObject*)x)->ob_digit[0];
+                }
+            }
+ #endif
 #endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to signed long");
-                return (signed long)-1;
+            if (sizeof(long) <= sizeof(long)) {
+                __PYX_VERIFY_RETURN_INT(long, long, PyLong_AsLong)
+            } else if (sizeof(long) <= sizeof(long long)) {
+                __PYX_VERIFY_RETURN_INT(long, long long, PyLong_AsLongLong)
             }
-            return (signed long)PyLong_AsUnsignedLong(x);
-        } else {
-            return (signed long)PyLong_AsLong(x);
         }
-    } else {
-        signed long val;
-        PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (signed long)-1;
-        val = __Pyx_PyInt_AsSignedLong(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-}
-
-static CYTHON_INLINE signed PY_LONG_LONG __Pyx_PyInt_AsSignedLongLong(PyObject* x) {
-    const signed PY_LONG_LONG neg_one = (signed PY_LONG_LONG)-1, const_zero = 0;
-    const int is_unsigned = neg_one > const_zero;
-#if PY_VERSION_HEX < 0x03000000
-    if (likely(PyInt_Check(x))) {
-        long val = PyInt_AS_LONG(x);
-        if (is_unsigned && unlikely(val < 0)) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "can't convert negative value to signed PY_LONG_LONG");
-            return (signed PY_LONG_LONG)-1;
-        }
-        return (signed PY_LONG_LONG)val;
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-            if (unlikely(Py_SIZE(x) < 0)) {
-                PyErr_SetString(PyExc_OverflowError,
-                                "can't convert negative value to signed PY_LONG_LONG");
-                return (signed PY_LONG_LONG)-1;
+        {
+#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
+            PyErr_SetString(PyExc_RuntimeError,
+                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
+#else
+            long val;
+            PyObject *v = __Pyx_PyNumber_Int(x);
+ #if PY_MAJOR_VERSION < 3
+            if (likely(v) && !PyLong_Check(v)) {
+                PyObject *tmp = v;
+                v = PyNumber_Long(tmp);
+                Py_DECREF(tmp);
             }
-            return (signed PY_LONG_LONG)PyLong_AsUnsignedLongLong(x);
-        } else {
-            return (signed PY_LONG_LONG)PyLong_AsLongLong(x);
+ #endif
+            if (likely(v)) {
+                int one = 1; int is_little = (int)*(unsigned char *)&one;
+                unsigned char *bytes = (unsigned char *)&val;
+                int ret = _PyLong_AsByteArray((PyLongObject *)v,
+                                              bytes, sizeof(val),
+                                              is_little, !is_unsigned);
+                Py_DECREF(v);
+                if (likely(!ret))
+                    return val;
+            }
+#endif
+            return (long) -1;
         }
     } else {
-        signed PY_LONG_LONG val;
+        long val;
         PyObject *tmp = __Pyx_PyNumber_Int(x);
-        if (!tmp) return (signed PY_LONG_LONG)-1;
-        val = __Pyx_PyInt_AsSignedLongLong(tmp);
+        if (!tmp) return (long) -1;
+        val = __Pyx_PyInt_As_long(tmp);
         Py_DECREF(tmp);
         return val;
     }
@@ -7925,7 +8119,7 @@ static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class
         goto bad;
     if (!PyType_Check(result)) {
         PyErr_Format(PyExc_TypeError,
-            "%s.%s is not a type object",
+            "%.200s.%.200s is not a type object",
             module_name, class_name);
         goto bad;
     }
@@ -7953,7 +8147,7 @@ static PyTypeObject *__Pyx_ImportType(const char *module_name, const char *class
     }
     else if ((size_t)basicsize != size) {
         PyErr_Format(PyExc_ValueError,
-            "%s.%s has the wrong size, try recompiling",
+            "%.200s.%.200s has the wrong size, try recompiling",
             module_name, class_name);
         goto bad;
     }
@@ -8157,6 +8351,73 @@ static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
     return 0;
 }
 
+static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
+    return __Pyx_PyUnicode_FromStringAndSize(c_str, strlen(c_str));
+}
+static CYTHON_INLINE char* __Pyx_PyObject_AsString(PyObject* o) {
+    Py_ssize_t ignore;
+    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
+}
+static CYTHON_INLINE char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
+    if (
+#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+            __Pyx_sys_getdefaultencoding_not_ascii &&
+#endif
+            PyUnicode_Check(o)) {
+#if PY_VERSION_HEX < 0x03030000
+        char* defenc_c;
+        PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
+        if (!defenc) return NULL;
+        defenc_c = PyBytes_AS_STRING(defenc);
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+        {
+            char* end = defenc_c + PyBytes_GET_SIZE(defenc);
+            char* c;
+            for (c = defenc_c; c < end; c++) {
+                if ((unsigned char) (*c) >= 128) {
+                    PyUnicode_AsASCIIString(o);
+                    return NULL;
+                }
+            }
+        }
+#endif /*__PYX_DEFAULT_STRING_ENCODING_IS_ASCII*/
+        *length = PyBytes_GET_SIZE(defenc);
+        return defenc_c;
+#else /* PY_VERSION_HEX < 0x03030000 */
+        if (PyUnicode_READY(o) == -1) return NULL;
+#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
+        if (PyUnicode_IS_ASCII(o)) {
+            *length = PyUnicode_GET_LENGTH(o);
+            return PyUnicode_AsUTF8(o);
+        } else {
+            PyUnicode_AsASCIIString(o);
+            return NULL;
+        }
+#else /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
+        return PyUnicode_AsUTF8AndSize(o, length);
+#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII */
+#endif /* PY_VERSION_HEX < 0x03030000 */
+    } else
+#endif /* __PYX_DEFAULT_STRING_ENCODING_IS_ASCII  || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT */
+#if !CYTHON_COMPILING_IN_PYPY
+#if PY_VERSION_HEX >= 0x02060000
+    if (PyByteArray_Check(o)) {
+        *length = PyByteArray_GET_SIZE(o);
+        return PyByteArray_AS_STRING(o);
+    } else
+#endif
+#endif
+    {
+        char* result;
+        int r = PyBytes_AsStringAndSize(o, &result, length);
+        if (unlikely(r < 0)) {
+            return NULL;
+        } else {
+            return result;
+        }
+    }
+}
 static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
    int is_true = x == Py_True;
    if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
@@ -8166,14 +8427,14 @@ static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
   PyNumberMethods *m;
   const char *name = NULL;
   PyObject *res = NULL;
-#if PY_VERSION_HEX < 0x03000000
+#if PY_MAJOR_VERSION < 3
   if (PyInt_Check(x) || PyLong_Check(x))
 #else
   if (PyLong_Check(x))
 #endif
     return Py_INCREF(x), x;
   m = Py_TYPE(x)->tp_as_number;
-#if PY_VERSION_HEX < 0x03000000
+#if PY_MAJOR_VERSION < 3
   if (m && m->nb_int) {
     name = "int";
     res = PyNumber_Int(x);
@@ -8189,13 +8450,13 @@ static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
   }
 #endif
   if (res) {
-#if PY_VERSION_HEX < 0x03000000
+#if PY_MAJOR_VERSION < 3
     if (!PyInt_Check(res) && !PyLong_Check(res)) {
 #else
     if (!PyLong_Check(res)) {
 #endif
       PyErr_Format(PyExc_TypeError,
-                   "__%s__ returned non-%s (type %.200s)",
+                   "__%.4s__ returned non-%.4s (type %.200s)",
                    name, name, Py_TYPE(res)->tp_name);
       Py_DECREF(res);
       return NULL;
@@ -8207,9 +8468,35 @@ static CYTHON_INLINE PyObject* __Pyx_PyNumber_Int(PyObject* x) {
   }
   return res;
 }
+#if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+ #if CYTHON_USE_PYLONG_INTERNALS
+  #include "longintrepr.h"
+ #endif
+#endif
 static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
   Py_ssize_t ival;
-  PyObject* x = PyNumber_Index(b);
+  PyObject *x;
+#if PY_MAJOR_VERSION < 3
+  if (likely(PyInt_CheckExact(b)))
+      return PyInt_AS_LONG(b);
+#endif
+  if (likely(PyLong_CheckExact(b))) {
+    #if CYTHON_COMPILING_IN_CPYTHON && PY_MAJOR_VERSION >= 3
+     #if CYTHON_USE_PYLONG_INTERNALS
+       switch (Py_SIZE(b)) {
+       case -1: return -(sdigit)((PyLongObject*)b)->ob_digit[0];
+       case  0: return 0;
+       case  1: return ((PyLongObject*)b)->ob_digit[0];
+       }
+     #endif
+    #endif
+  #if PY_VERSION_HEX < 0x02060000
+    return PyInt_AsSsize_t(b);
+  #else
+    return PyLong_AsSsize_t(b);
+  #endif
+  }
+  x = PyNumber_Index(b);
   if (!x) return -1;
   ival = PyInt_AsSsize_t(x);
   Py_DECREF(x);
@@ -8228,17 +8515,6 @@ static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
    return PyInt_FromSize_t(ival);
 #endif
 }
-static CYTHON_INLINE size_t __Pyx_PyInt_AsSize_t(PyObject* x) {
-   unsigned PY_LONG_LONG val = __Pyx_PyInt_AsUnsignedLongLong(x);
-   if (unlikely(val == (unsigned PY_LONG_LONG)-1 && PyErr_Occurred())) {
-       return (size_t)-1;
-   } else if (unlikely(val != (unsigned PY_LONG_LONG)(size_t)val)) {
-       PyErr_SetString(PyExc_OverflowError,
-                       "value too large to convert to size_t");
-       return (size_t)-1;
-   }
-   return (size_t)val;
-}
 
 
 #endif /* Py_PYTHON_H */
diff --git a/pykdtree/test_tree.py b/pykdtree/test_tree.py
index 2c00e5b..df89775 100644
--- a/pykdtree/test_tree.py
+++ b/pykdtree/test_tree.py
@@ -268,5 +268,14 @@ def test3d_8n_ub_eps():
     
     assert np.array_equal(idx, exp_idx)
     assert np.allclose(dist, exp_dist)
+
+def test_scipy_comp():
     
+    query_pts = np.array([[  787014.438,  -340616.906,  6313018.],
+                          [751763.125, -59925.969, 6326205.5],
+                          [769957.188, -202418.125, 6321069.5]])
+                          
+    kdtree = KDTree(data_pts_real)
+    assert id(kdtree.data) == id(kdtree.data_pts)
+
 
diff --git a/setup.py b/setup.py
index 8e7e6cf..3706921 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,6 @@
 import os
 from setuptools import setup, Extension
 from setuptools.command.build_ext import build_ext
-import numpy
 
 # Get OpenMP setting from environment  
 try:
@@ -46,21 +45,34 @@ class build_ext_subclass(build_ext):
         self.extensions[0].extra_compile_args = extra_compile_args
         self.extensions[0].extra_link_args = extra_link_args
         build_ext.build_extensions(self)
+
+    def finalize_options(self):
+        '''
+        In order to avoid premature import of numpy before it gets installed as a dependency
+        get numpy include directories during the extensions building process
+	http://stackoverflow.com/questions/19919905/how-to-bootstrap-numpy-installation-in-setup-py
+        '''
+        build_ext.finalize_options(self)
+        # Prevent numpy from thinking it is still in its setup process:
+        __builtins__.__NUMPY_SETUP__ = False
+        import numpy
+        self.include_dirs.append(numpy.get_include())
  
         
 setup(
     name='pykdtree',
-    version='1.0',
+    version='1.1.1',
     description='Fast kd-tree implementation with OpenMP-enabled queries',
     author='Esben S. Nielsen',
     author_email='storpipfugl at gmail.com',
     packages = ['pykdtree'],
     install_requires=['numpy'],
+    setup_requires=['numpy'],
+    tests_require=['nose'],
     zip_safe=False,
     test_suite = 'nose.collector',
     ext_modules = [Extension('pykdtree.kdtree', 
-                             ['pykdtree/kdtree.c', 'pykdtree/_kdtree_core.c'],
-                             include_dirs=[numpy.get_include()])], 
+                             ['pykdtree/kdtree.c', 'pykdtree/_kdtree_core.c'])],
     cmdclass = {'build_ext': build_ext_subclass },
     classifiers=[
       'Development Status :: 5 - Production/Stable',

-- 
Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-grass/pykdtree.git



More information about the Pkg-grass-devel mailing list