[Numpy-discussion] ANN: NumPy 1.5.0 beta 2

Charles R Harris charlesr.harris@gmail....
Tue Aug 17 15:02:01 CDT 2010

On Tue, Aug 17, 2010 at 1:38 PM, Christoph Gohlke <cgohlke@uci.edu> wrote:

> On 8/17/2010 8:23 AM, Ralf Gommers wrote:
>> I am pleased to announce the availability of the second beta of NumPy
>> 1.5.0. This will be the first NumPy release to include support for
>> Python 3, as well as for Python 2.7.
>> Please try this beta and report any problems on the NumPy mailing list.
>> Especially with Python 3 testing will be very useful. On Linux and OS X
>> building from source should be straightforward, for Windows a binary
>> installer is provided. There is one important known issue on Windows
>> left, in fromfile and tofile (ticket 1583).
>> Binaries, sources and release notes can be found at
>> https://sourceforge.net/projects/numpy/files/
>> <https://sourceforge.net/projects/numpy/files/>
>> Enjoy,
>> Ralf
> NumPy 1.5.0 beta 2 built with msvc9/mkl for Python 2.7 and 3.1 (32 and 64
> bit) still reports many (> 200) warnings and three known test
> failures/errors. Nothing serious, but it would be nice to clean up before
> the final release.
> The warnings are of the type "Warning: invalid value encountered in" for
> the functions reduce, fmax, fmin, logaddexp, maximum, greater, less_equal,
> greater_equal, absolute, and others. I do not see any of these warnings in
> the msvc9 builds of numpy 1.4.1.
The warnings were accidentally turned off for earlier versions of Numpy. I
expect these warnings are related to nans and probably due to problems with
isnan or some such. Can you take a closer look? The fmax function should be
easy to check out.


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