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From: brianc@hpvcla.HP.COM (Brian Cripe)
Newsgroups: comp.lang.c
Subject: Re: Floating point equality
Message-ID: <4030001@hpvcla.HP.COM>
Date: Mon, 16-Mar-87 16:26:21 EST
Article-I.D.: hpvcla.4030001
Posted: Mon Mar 16 16:26:21 1987
Date-Received: Fri, 20-Mar-87 00:42:27 EST
References: <4915@brl-adm.ARPA>
Organization: Hewlett Packard, Vancouver, WA
Lines: 11

> For your example, you should have written 
>     if (fabs(x-y) < EPSILON)

Actually, I think the following is better:

#define FLOAT_EQUAL(a, b) (fabs((a) - (b)) < EPSILON)

if (FLOAT_EQUAL(x, y))

Brian Cripe
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