[Numpy-discussion] Release blockers for 1.4.0 ?

Travis Oliphant oliphant@enthought....
Mon Dec 7 11:14:30 CST 2009



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Travis Oliphant
Enthought, Inc.
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http://www.enthought.com

On Dec 7, 2009, at 10:48 AM, Charles R Harris  
<charlesr.harris@gmail.com> wrote:

>
>
> On Mon, Dec 7, 2009 at 8:24 AM, David Cournapeau  
> <cournape@gmail.com> wrote:
> Hi,
>
> There are a few issues which have been found on numpy 1.4.0, which  
> worry me:
>
> # 1317: segfaults for integer division overflow
> # 1318: all FPU exceptions ignored by default
>
> #1318 worries me the most: I think it is a pretty serious regression,
> since things like this go unnoticed:
>
> x = np.array([1, 2, 3, 4]) / 0 # x is an array of 0, no warning  
> printed
>


This is the default behavior when error handling is set to ignore.   I  
don't know when that was changed.   I thought some errors were  
supposed to be printed.


>
> Hasn't that always been the case? Unless we have a way to raise  
> exceptions from ufuncs I don't know what else we can do.
>
> Chuck
>
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