Christian Heimes added the comment:
Noam Raphael wrote:
> * nan is an object of type float, which behaves like None, that is:
> "nan == nan" is true, but "nan < nan" and "nan < 3" will raise an
> exception.
No, that's not correct. The standard defines that nan is always unequal
to nan.
False
>>> float("inf") == float("inf")
True
>>> float("inf") == -1*float("-inf")
True
The float module could gain three singletons nan, inf an neginf so you
can do
True
Christian
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Tracker <[EMAIL PROTECTED]>
<http://bugs.python.org/issue1580>
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