Bug#820429: libvigraimpex: FTBFS on kfreebsd-i386 and hurd-i386: Assertion failed: Sequence items differ at index 5

[Tobias Frost]

On Sat, 9 Apr 2016 22:32:16 +0100 Steven Chamberlain <steven at pyro.eu.or
g> wrote:
> Hi,
> 
> Emilio Pozuelo Monfort wrote:
> > Your package failed to build on hurd and kfreebsd-i386:
> > 
> > Entering test suite GraphAlgorithmTestSuite
> > 
> > Failure in GraphAlgorithmTest::testEdgeWeightComputation()
> > Assertion failed: Sequence items differ at index 5 [4.24264 !=
4.24264] (/«BUILDDIR»/libvigraimpex-
1.10.0+git20160211.167be93+dfsg/test/graph_algorithm/test.cxx:543)
> > 
> > 1 of 6 tests failed in test suite GraphAlgorithmTestSuite
> > Leaving test suite GraphAlgorithmTestSuite
> 
> Looks like an issue of i386 floating point accuracy, just as we saw
in
> ilmbase:  https://bugs.debian.org/815712#187
> 
> I'll try to provide a patch for this soon-ish.
> 
> Regards,
> -- 
> Steven Chamberlain
> steven at pyro.eu.org

Not tried, but the description rang a bell:
Maybe the same fix as in teem, #820429 could help?

--
tobi