[issue1640] Enhancements for mathmodule

[Christian Heimes]

Christian Heimes added the comment:

Guido van Rossum wrote:
> Good idea. Since you seem to like providing patches, can you create
> one for math.copysign()?

Don't forget it's copysign() on Unix but _copysign() on Windows.

#if defined(MS_WINDOWS) || defined(HAVE_COPYSIGN)
#ifdef MS_WINDOWS
FUNC2(copysign, _copysign,
#else
FUNC2(copysign, copysign,
#endif
    "doc");
#endif

should work on all systems.

Christian

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<http://bugs.python.org/issue1640>
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