A.M. Kuchling added the comment:
Actually ISTM the 'if x is NaN' sentence can also go; it seems to just copy the
sign bit no matter what x and y are.
>>> from math import *
>>> nan = float('nan')
>>> neg = -nan
>>> copysign(+1, copysign(nan, neg))
-1.0
----------
_______________________________________
Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue12211>
_______________________________________
_______________________________________________
Python-bugs-list mailing list
Unsubscribe:
https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
