comparing nan "number"

[John J. Lee]

Michael Hudson <mwh at python.net> writes:

> jjl at pobox.com (John J. Lee) writes:
[...]
> > I suppose:
> > 
> > NAN = any_calculation_that_returns_nan()
> > 
> > if some_other_calculation() is NAN:
> >     ...
> 
> I wouldn't expect that to work.  Unfortunately, I don't think there is
> a reliable way.
[...]

Yeah, I forgot nan is a floating point value, not a special Python
thingy like None, duh (thanks Alexander).


John