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Article #3087Re: Floating point performance
From: Frank Adams
Date: Mon, 27 Oct 1986 22:45
Date: Mon, 27 Oct 1986 22:45
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In article <253@BMS-AT.UUCP> stuart@BMS-AT.UUCP writes: >For problems unsuited to floating point, e.g. accounting, yes the >floating point hardware gets in the way. For accounting one should >use large integers: 48 bits is plenty in practice and no special hardware >is needed. 48 bits is not always adequate. One sometimes has to perform operations of the form a*(b/c), rounded to the nearest penny (integer). Doing this with integer arithmethic requires intermediate results with double the precision of the final results. With floating point, this is not necessary. Frank Adams ihnp4!philabs!pwa-b!mmintl!franka Multimate International 52 Oakland Ave North E. Hartford, CT 06108
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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!cbatt!cbosgd!wright!ncrpcd!ncrcae!ece-csc!mcnc!philabs!pwa-b!mmintl!franka From: franka@mmintl.UUCP (Frank Adams) Newsgroups: net.arch Subject: Re: Floating point performance Message-ID: <1900@mmintl.UUCP> Date: Mon, 27-Oct-86 17:45:16 EST Article-I.D.: mmintl.1900 Posted: Mon Oct 27 17:45:16 1986 Date-Received: Mon, 3-Nov-86 19:41:16 EST References: <340@euroies.UUCP> <1989@videovax.UUCP> <722@mips.UUCP> <6028@ut-sally.UUCP> <253@BMS-AT.UUCP> Reply-To: franka@mmintl.UUCP (Frank Adams) Organization: Multimate International, E. Hartford, CT Lines: 13