float("nan") in set or as key

Sat Jun 4 06:20:19 EDT 2011

Steven D'Aprano <steve+comp.lang.python at pearwood.info> writes:
> What makes you think that Python supports IEEE-754 for floats?

That would be an easy impression to get from this long rambling thread.
The argument that Python's ‘float’ type is not meant to be anything
*but* an IEEE 754 floating point type has been made several times.
What would you say Python's ‘float’ type is intended to be, if not an
IEEE 754 floating point type?
-- 
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Ben Finney