Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!ubc-cs!alberta!calgary!cpsc!cliff
From: cliff@cpsc.ucalgary.ca (Cliff Marcellus)
Newsgroups: comp.unix.wizards
Subject: Re: what does NaN mean out of printf?
Summary: NaN revisited
Message-ID: <1629@cs-spool.calgary.UUCP>
Date: 19 Jul 89 13:21:59 GMT
References: <20283@adm.BRL.MIL>
Sender: news@calgary.UUCP
Lines: 15

In article <20283@adm.BRL.MIL>, Leisner.Henr@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
Institute for Space Research   DOMAIN   : cliff@ssg-vax-a.phys.UCalgary.CA
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