Felipe Almeida Lessa <felipe.lessa at gmail.com> writes:
> Em Sex, 2006-05-05 às 16:37 -0400, Ivan Vinogradov escreveu:
> > This works to catch NaN on OSX and Linux:
> >
> > # assuming x is a number
> > if x+1==x or x!=x:
> > #x is NaN
>
> This works everywhere:
>
> nan = float('nan')
>
> .
> .
> .
>
> if x == nan:
> # x is not a number
No it doesn't.
'as