[Python-Dev] decimal.py: == and != comparisons involving NaNs

Adam Olsen rhamph at gmail.com
Fri Nov 13 23:08:59 CET 2009


On Fri, Nov 13, 2009 at 14:52, Mark Dickinson <dickinsm at gmail.com> wrote:
> On Fri, Nov 13, 2009 at 9:50 PM, Mark Dickinson <dickinsm at gmail.com> wrote:
>> And they do:  nan != 0 returns False.  Maybe I'm missing your point
>> here?
>
> Aargh!  True!  I meant to say True!

Huh.  Somewhere along the line I lost track of how python handled NaN.
 I thought "comparisons always evaluate to false" was the rule.


-- 
Adam Olsen, aka Rhamphoryncus


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