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From: karsh@trifolium.esd.sgi.com (Bruce Karsh)
Newsgroups: comp.sys.sgi
Subject: Re: detecting integer overflow
Message-ID: <67702@sgi.sgi.com>
Date: 25 Aug 90 01:10:07 GMT
References: <GLOBUS.90Aug21114837@wk208.nas.nasa.gov> <67688@sgi.sgi.com>
Sender: guest@sgi.sgi.com
Reply-To: karsh@trifolium.sgi.com (Bruce Karsh)
Distribution: comp.sys.sgi
Organization: Silicon Graphics, Inc., Mountain View, CA
Lines: 14

In article <67688@sgi.sgi.com> karsh@trifolium.sgi.com (Bruce Karsh) writes:

>	if( (~a^b && a^c) < 0) handle_overflow();

This should be

 	if( (~a^b &  a^c) < 0) handle_overflow();

I.e., a single &.

Ted Wilcox at sgi pointed this out to me.

			Bruce Karsh
			karsh@sgi.com