John J. Lee jjl at pobox.com
Mon Dec 1 12:14:53 EST 2003

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Boštjan Jerko <bostjan.jerko at mf.uni-lj.si> writes:

> I need to know if the result of math formula is nan (Not a number). 
> How can I do that?

I suppose:

NAN = any_calculation_that_returns_nan()

if some_other_calculation() is NAN:
    ...


John

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