[Numpy-discussion] making the distinction between -0.0 and 0.0..

[Christopher Barker]

josef.pktd at gmail.com wrote:
> WindowsXP:
> 
> Python 2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit
> (Intel)] on win32
>>>> struct.pack('>d', -0.0)
> '\x80\x00\x00\x00\x00\x00\x00\x00'
>>>> struct.pack('<d', -0.0)
> '\x00\x00\x00\x00\x00\x00\x00\x80'
> 
> Python 2.4.3 (#69, Mar 29 2006, 17:35:34) [MSC v.1310 32 bit (Intel)] on win32
>>>> struct.pack('>d', -0.0)
> '\x00\x00\x00\x00\x00\x00\x00\x00'
>>>> struct.pack('<d', -0.0)
> '\x00\x00\x00\x00\x00\x00\x00\x00'
> 
> whatever that means,

It means this is a Python, not a compiler issue, and it was fixed 
between versions 2.4.3 and 2.5.2.

Water under the bridge...

-Chris





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Christopher Barker, Ph.D.
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