[Numpy-discussion] int64 wierdness

Vincent Schut schut at sarvision.nl
Wed Jun 28 09:03:55 CDT 2006


Andrew Straw wrote:
> An SVN checkout from a week or two ago looks OK on my amd64 machine:
>
> astraw at hdmg:~$ python
> Python 2.4.3 (#2, Apr 27 2006, 14:43:32)
> [GCC 4.0.3 (Ubuntu 4.0.3-1ubuntu5)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>  >>> import numpy
>  >>> numpy.__version__
> '0.9.9.2631'
>  >>> numpy.int64(9)**2
> 81
>  >>>
>   
Confirmed to be fixed on my gentoo amd64 machine, numpy svn of couple of
days ago:
>>> numpy.int64(9)**2
81
>>> numpy.__version__
'0.9.9.2665'

Cheers,
Vincent.
>
> EI wrote:
>
>   
>> numpy.__version__ says 0.9.8.
>>
>> Python 2.4.2, GCC 4.1, OpenSuSE 10.1 (x86_64).
>>
>> Thanks Travis,
>> Eugene
>>
>> On 6/27/06, *Travis Oliphant* < oliphant.travis at ieee.org 
>> <mailto:oliphant.travis at ieee.org>> wrote:
>>
>>     EI wrote:
>>     > Hi,
>>     >
>>     > I'm running python 2.4 on a 64bit linux and get strange results:
>>     > (int(9))**2 is equal to 81, as it should, but
>>     > (int64(9))**2 is equal to 0
>>
>>     Thanks for the bug-report.  Please provide the version of NumPy
>>     you are
>>     using so we can track it down, or suggest an upgrade.
>>
>>     -Travis
>>
>>
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