[SciPy-Dev] segfault in test_qhull.TestRidgeIter2D.test_complicated

Zbyszek Szmek zbyszek@in.waw...
Tue Nov 16 10:14:50 CST 2010

On Tue, Nov 16, 2010 at 01:48:43AM +0000, Pauli Virtanen wrote:
> On Mon, 15 Nov 2010 17:39:45 -0800, Matthew Brett wrote:
> [clip]
> >> Ok, source code level "fix" here:
> >>
> >> https://github.com/pv/scipy-work/commit/8efed6e403597783243f476c7bdb1c506d99f22b
Justed tested it: works perfectly.

> > Thank you - the comments explaining the change are particularly complete
> > and helpful.   Maybe it would be good to point to these comments in the
> > source code for the change?
The comment is enlightening.


> I just noticed a similar fix is in upstream, in a new release of Qhull.
> Oh well, maybe we'll just upgrade the bundled library.
> Although it might still be good to add -fno-strict-aliasing flags to
> the compilation, as the upstream cautions that on gcc < 4.4 there might
> be problems (although I don't see how they can come from the same source).
> I however have no idea how to do this with distutils only for gcc.

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