Article View: comp.sys.atari.st
Article #27307Re: More ST Floating Point Performance - (nf)
From: Joe Knapp
Date: Mon, 22 Jun 1987 03:09
Date: Mon, 22 Jun 1987 03:09
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In article <19400004@qtecmuc.UUCP> ger@qtecmuc.UUCP (Gerhard Pehland) writes: >'all floating point arithmetic in C is carried out in double >precision'. Therefore, if manx on the AMIGA really uses one longword >for floating point evaluations it simply isn't real C and benchmarks >with this compiler are pure nonsens if compared with 'correct' >C-Compilers using 64bit double precision. A quick note: the earlier benchmark results for Manx did not suffer from a misdefined PI, as was suggested. It was correct to many decimal places. Based on what others have said here recently, it appears that the MFFP library is at fault for the lack of precision. Joe Knapp ihnp4!asr2!jmk
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!rutgers!clyde!cbosgd!asr2!jmk From: jmk@asr2.UUCP (Joe Knapp) Newsgroups: comp.sys.atari.st Subject: Re: More ST Floating Point Performance - (nf) Message-ID: <108@asr2.UUCP> Date: Sun, 21-Jun-87 23:09:00 EDT Article-I.D.: asr2.108 Posted: Sun Jun 21 23:09:00 1987 Date-Received: Tue, 23-Jun-87 01:27:09 EDT References: <1959@trwrb.UUCP> <19400004@qtecmuc.UUCP> Reply-To: jmk@asr2.UUCP (Joe Knapp) Organization: AT&T Conversant Systems, Columbus, OH Lines: 15