[Numpy-discussion] Release blockers for 1.4.0 ?
Mon Dec 7 11:31:37 CST 2009
On Tue, Dec 8, 2009 at 1:48 AM, Charles R Harris
> On Mon, Dec 7, 2009 at 8:24 AM, David Cournapeau <firstname.lastname@example.org> wrote:
>> There are a few issues which have been found on numpy 1.4.0, which worry
>> # 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
> 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.
No, it is a consequence of errors being set to ignored in numpy.ma:
So the fix is easy - but then it shows many (> 500) invalid values,
etc... related to wrong fpu handling (most of them are limited to the
new polynomial code, though).
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