[Cython] [cython-users] Re: Cython 0.17 beta 1 released

Robert Bradshaw robertwb at gmail.com
Tue Jul 31 19:24:05 CEST 2012


On Tue, Jul 31, 2012 at 7:24 AM, Stefan Behnel <stefan_ml at behnel.de> wrote:
> mark florisson, 28.07.2012 14:04:
>> On 27 July 2012 23:30, Bradley Froehle wrote:
>>> Thanks to the work of Yaroslav Halchenko, there is an experimental Debian
>>> package for Cython 0.17.beta1 -- http://packages.qa.debian.org/c/cython.html
>>>
>>> However, the builds are showing a lot of test failures on non-amd64 sytems.
>>> See https://buildd.debian.org/status/package.php?p=cython&suite=experimental
>>> Many of the errors seem related to assumptions made about the sizes of
>>> various integers (int vs. long vs long long).  Ideally we'll be able to
>>> clean up these failures before the final release.
>>
>> Thanks, I think it's mostly the tests that are wrong. I'll try to get
>> it fixed on linux 32 bit.
>
> I'm not sure the it's only the tests. The "char" vs. "unsigned char" errors
> hint at platform specific differences, which might trigger bugs (aka.
> incorrect assumptions) in the generated memory view code. Specifically,
> plain "char" is unsigned at least on ARM and PowerPC, both of which fail
> with this error.

Yes, I think somewhere we're assuming char is signed, but wasn't able
to see where in my quick investigations.

On another note, I updated jenkins to the latest release of Sage (5.2)
and all seems well.

- Robert


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