[Python-Dev] Rich comparisons

Neil Schemenauer nas-python at python.ca
Fri Mar 19 11:52:48 EST 2004


On Fri, Mar 19, 2004 at 12:01:31PM +0000, Michael Hudson wrote:
> >>> float('nan')
> nan
> >>> _ == _
> False

Would it help if each NaN instance was a separate object?  The above
code would still return True but code like:

    compute_something() == compute_something_else('nan')

would always return False if they both returned NaN as a result of
math operations.

  Neil



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