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Article #41532Re: gcc fails Paranoia (numeric) test under Linux
From: Thomas Koenig
Date: Mon, 18 Mar 1996 00:00
Date: Mon, 18 Mar 1996 00:00
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1295 bytes
In comp.os.linux.misc, anlauf@crunch.ikp.physik.th-darmstadt.de (Harald Anlauf) wrote:
>Even when I insert explicit casts,
> save = (double) divby3(dividend);
> if (save == (double) divby3(dividend))
>and
>double divby3(double value)
>{
> return (double) (value / 3.0);
>}
>the comparison still fails. I am not aware of any gcc switch that
>makes the comparison true.
Have you tried the '-ffloat-store' option?
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 11318c,fbe8ee8d82a9766b X-Google-Attributes: gid11318c,public X-Google-Thread: 1103af,fbe8ee8d82a9766b X-Google-Attributes: gid1103af,public From: ig25@fg70.rz.uni-karlsruhe.de (Thomas Koenig) Subject: Re: gcc fails Paranoia (numeric) test under Linux Date: 1996/03/18 Message-ID: <4ik0mv$l0j@fg70.rz.uni-karlsruhe.de> X-Deja-AN: 143058364 references: <4hn916$ejs@news.ccit.arizona.edu> <ub20mx45l5.fsf@crunch.ikp.physik.th-darmstadt.de> <4idvos$72b@harbinger.cc.monash.edu.au> <ubyboyctk5.fsf@crunch.ikp.physik.th-darmstadt.de> content-type: text/plain; charset=iso-8859-1 organization: Universität Karlsruhe (TH), Germany mime-version: 1.0 reply-to: Thomas.Koenig@ciw.uni-karlsruhe.de newsgroups: gnu.gcc.help,comp.os.linux.misc nntp-posting-user: ig25