[issue23185] add inf and nan to math module

[Mark Dickinson]

Mark Dickinson added the comment:

Thanks for the review comments.  Here's an updated patch taking the review comments into account (and fixing the spelling of PY_NAN, which should have been Py_NAN).

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Added file: http://bugs.python.org/file37634/math_inf_nan2.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue23185>
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