Bug#996336: pygalmesh: autopkgtest regression on i386

[Adrian Bunk]

Source: pygalmesh
Version: 0.10.5-1
Severity: serious

https://ci.debian.net/data/autopkgtest/testing/i386/p/pygalmesh/15928897/log.gz

...
=================================== FAILURES ===================================
________________________________ test_rectangle ________________________________

    def test_rectangle():
        points = np.array([[0.0, 0.0], [1.0, 0.0], [1.0, 1.0], [0.0, 1.0]])
        constraints = [[0, 1], [1, 2], [2, 3], [3, 0]]
    
        mesh = pygalmesh.generate_2d(
            points, constraints, max_edge_size=1.0e-1, num_lloyd_steps=10
        )
    
>       assert mesh.points.shape == (276, 2)
E       assert (279, 2) == (276, 2)
E         At index 0 diff: 279 != 276
E         Use -v to get the full diff

tests/test_2d.py:15: AssertionError
_________________________________ test_extrude _________________________________

    def test_extrude():
        p = pygalmesh.Polygon2D([[-0.5, -0.3], [0.5, -0.3], [0.0, 0.5]])
        domain = pygalmesh.Extrude(p, [0.0, 0.3, 1.0])
        mesh = pygalmesh.generate_mesh(
            domain,
            max_cell_circumradius=0.1,
            max_edge_size_at_feature_edges=0.1,
            verbose=False,
        )
    
        tol = 1.0e-3
        assert abs(max(mesh.points[:, 0]) - 0.5) < tol
        assert abs(min(mesh.points[:, 0]) + 0.5) < tol
        assert abs(max(mesh.points[:, 1]) - 0.8) < tol
        assert abs(min(mesh.points[:, 1]) + 0.3) < tol
        # Relax tolerance for debian, see <https://github.com/nschloe/pygalmesh/pull/47>
        assert abs(max(mesh.points[:, 2]) - 1.0) < 1.1e-3
>       assert abs(min(mesh.points[:, 2]) + 0.0) < tol
E       assert 0.0010112326126545668 < 0.001
E        +  where 0.0010112326126545668 = abs((-0.0010112326 + 0.0))
E        +    where -0.0010112326 = min(array([ 0.00000000e+00,  1.00000000e+00,  0.00000000e+00,  1.00000000e+00,\n        0.00000000e+00,  1.00000000e+00,  0...-01,\n        4.62765425e-01,  8.98388922e-02,  3.73478711e-01,  4.52255577e-01,\n        9.99695361e-01], dtype=float32))

tests/test_volume_mesh.py:486: AssertionError
=========================== short test summary info ============================
FAILED tests/test_2d.py::test_rectangle - assert (279, 2) == (276, 2)
FAILED tests/test_volume_mesh.py::test_extrude - assert 0.0010112326126545668...
======================== 2 failed, 29 passed in 41.69s =========================
autopkgtest [21:44:46]: test command1: -----------------------]
autopkgtest [21:44:46]: test command1:  - - - - - - - - - - results - - - - - - - - - -
command1             FAIL non-zero exit status 1