what does NaN mean out of printf?

[Cliff Marcellus]

In article <20283 at adm.BRL.MIL>, Leisner.Henr at xerox.com (Marty) writes:
> What does NaN mean out of printf?
> 

"NaN" stands for "Not a Number".  It's an error generated by various
mathlib routines, and is defined by IEEE for various binary function
operations.  (for example log10(0))

See the MATH(3M) manual page under 4.3BSD.


Cliff Marcellus                UUCP     : {any backbone}!calgary!ssg-vax-a!cliff
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