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From: eggert@twinsun.com (Paul Eggert)
Newsgroups: comp.sources.wanted
Subject: Re: need isnan and isinf
Message-ID: <1991May4.013457.15508@twinsun.com>
Date: 4 May 91 01:34:57 GMT
References: <1991May3.205034.17085@solo.csci.unt.edu>
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int isnan(x) double x; { return x != x; }
int isinf(x) double x; { return x  &&  x == 4*x; }