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From: gwyn@brl-smoke.UUCP
Newsgroups: comp.lang.c
Subject: Re: fabs(x) vs. (x) < 0 ? -(x) : (x)
Message-ID: <5622@brl-smoke.ARPA>
Date: Fri, 13-Feb-87 15:59:35 EST
Article-I.D.: brl-smok.5622
Posted: Fri Feb 13 15:59:35 1987
Date-Received: Sun, 15-Feb-87 23:18:44 EST
References: <4943@mimsy.UUCP> <2550005@hpisod2.HP> <756@unc.unc.UUCP> <1315@ho95e.ATT.COM> <645@mcgill-vision.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Distribution: na
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 8

In article <645@mcgill-vision.UUCP> mouse@mcgill-vision.UUCP (der Mouse) writes:
>I would really like a C compiler that produces anything that could
>*touch* the "Kahan's magic square root" code of the 4.3 VAX libm.

The UNIX System V Release 2.0 sqrt routine, written in C, runs about
half as fast as the 4.3BSD assembly code, and is about twice as accurate.

Just for information..