[Numpy-discussion] Request for testing

Charles R Harris charlesr.harris@gmail....
Sun Feb 21 10:05:51 CST 2010


On Sun, Feb 21, 2010 at 3:33 AM, David Cournapeau <cournape@gmail.com>wrote:

> On Sun, Feb 21, 2010 at 7:30 PM, Charles R Harris
> <charlesr.harris@gmail.com> wrote:
> > Hi All,
> >
> > I would be much obliged if some folks would run the attached script and
> > report the output, numpy version, and python version. It just runs
> > np.isinf(np.inf), which raises an "invalid value" warning with current
> > numpy. As far as I can see the function itself hasn't changed since
> > numpy1.3, yet numpy1.3 & python2.5 gives no such warning.
>
> This is most likely a bug in isinf or how we use it - the warning is
> not new, but was hidden before because of the FPU error stage set to
> ignore instead of warning. I am afraid dealing with this correctly
> cannot be done in a short time frame: the issues are quite subtle, and
> very platform dependent.
>
>
The script enables the warning so the difference shouldn't depend on the
recent change in the warnings default. I was thinking it more likely had
something to do with the build environment/python version/compiler
flags/.etc.

Chuck
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