Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!iuvax!rutgers!phri!roy
From: roy@phri.UUCP (Roy Smith)
Newsgroups: comp.unix.wizards
Subject: Re: what does NaN mean out of printf?
Message-ID: <3876@phri.UUCP>
Date: 19 Jul 89 01:34:31 GMT
References: <20283@adm.BRL.MIL>
Reply-To: roy@phri.UUCP (Roy Smith)
Organization: Public Health Research Inst. (NY, NY)
Lines: 13

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

	You're on a machine which supports IEEE-754 arithmetic (for
example, a Sun, but there are many, many modern machines which fit this
description).  NaN means Not A Number.  NaN is the result of some illegal
arithmetic operation (division by zero, square root of a negative number,
etc).
-- 
Roy Smith, Public Health Research Institute
455 First Avenue, New York, NY 10016
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