On 10/17/07, David A. Wheeler <[EMAIL PROTECTED]> wrote:
> class NumberMixinCmp(ComparisonMixin):
...
> def cmp(self, other):
> if self.x == other.x: return 0
> return (-1 if self.x < other.x else 1)
In the common case the == test will be false. About ~1/2 of the
tests will be be <, and half >. It's better then to do:
if self.x < other.x:
return -1
elif self.x > other.x:
return 1
else:
return 0
This almost halves the time difference, as you would expect.
--
Adam Hupp | http://hupp.org/adam/
_______________________________________________
Python-3000 mailing list
[email protected]
http://mail.python.org/mailman/listinfo/python-3000
Unsubscribe:
http://mail.python.org/mailman/options/python-3000/archive%40mail-archive.com
