[issue27739] add math.sign/signum

[R. David Murray]

R. David Murray added the comment:

This has been previously discussed and rejected, in issue 829370.

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nosy: +r.david.murray
resolution:  -> duplicate
stage:  -> resolved
status: open -> closed
superseder:  -> math.signum(int)

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue27739>
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