[issue3724] math.log(x, 10) gives different result than math.log10(x)

[Raymond Hettinger]

Raymond Hettinger <rhettinger at users.sourceforge.net> added the comment:

+1 on a log2 function, especially one that has been generalized to work
with long integers.  It would help with the "numbits" problem that
comes-up all the time.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue3724>
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