[issue3439] create a numbits() method for int and long types
Skip Montanaro
report at bugs.python.org
Tue Dec 16 19:33:20 CET 2008
Skip Montanaro <skip at pobox.com> added the comment:
Regarding the last few posts:
* Raymond's implementation, while ugly, provides a completely orthogonal
way to test compute numbits, useful in unit tests if nothing else.
* Using x >> 1 in a reference implementation is perfectly reasonable.
If the person using the reference implementation to produce a real
C-based implementation doesn't understand the equivalence of x // 2
and x >> 1, heaven help us.
Skip
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nosy: +skip.montanaro
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