test for nan
mwh at python.net
Wed Mar 31 13:20:02 CEST 2004
John Hunter <jdhunter at ace.bsd.uchicago.edu> writes:
> I have a C extension module that is returning some doubles. When the
> doubles get out of range, the numbers print as 'nan'.
> Is there a better way to test for NaN than
> where p1 is a float?
I'd hope so: that's exceeding unportable. Of course, all things to do
with nans are unportable, so you're going to have to tell us more of
I have *both* hands clapping, but I'm still not sure it's a sound.
When I tried deciding if it were a sound while clapping only one
hand, I fell off my chair.
-- Peter Hansen, Zen master, comp.lang.python
More information about the Python-list