Article View: comp.lang.fortran
Article #6538Re: True probabilistic rounding [was Re: Precision ...]
From: G.F. Thomas
Date: Tue, 30 Sep 2003 13:14
Date: Tue, 30 Sep 2003 13:14
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"Nick Maclaren" <nmm1@cus.cam.ac.uk> wrote in message news:blbmni$g2$1@pegasus.csx.cam.ac.uk... > > In article <QEbeb.377802$2x.116648@rwcrnsc52.ops.asp.att.net>, > "Glen Herrmannsfeldt" <gah@ugcs.caltech.edu> writes: > |> > |> > But note that means TRUE probabilistic rounding - accept no > |> > imitations! > |> [...] See DS Parker et al., "Monte Carlo Arithmetic; exploiting randomness in floating-point arithmetic," Computing in Science and Engineering pp. 58-68 July 2000. -- Ciao, Gerry T. ______ "Competent engineers rightly distrust all numerical computations and seek corroboration from alternative numerical methods, from scale models, from prototypes, from experience... ." W.V. Kahan.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fd4af,7830916812112af0 X-Google-Attributes: gidfd4af,public X-Google-Thread: 1094ba,7830916812112af0 X-Google-Attributes: gid1094ba,public X-Google-Thread: 102b75,7830916812112af0 X-Google-Attributes: gid102b75,public X-Google-ArrivalTime: 2003-09-30 06:24:40 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!in.100proofnews.com!in.100proofnews.com!cycny01.gnilink.net!cyclone1.gnilink.net!chi1.webusenet.com!news.webusenet.com!snoopy.risq.qc.ca!news.uunet.ca!nf3.bellglobal.com!nf1.bellglobal.com!nf2.bellglobal.com!news20.bellglobal.com.POSTED!not-for-mail From: "G.F. Thomas" <gfthomas@sympatico.ca> Newsgroups: comp.lang.fortran,comp.arch,bit.listserv.ibm-main References: <dG4db.598668$uu5.97984@sccrnsc04> <xrXdb.631209$Ho3.121609@sccrnsc03> <bl9ild$abv$1@pegasus.csx.cam.ac.uk> <Rh0eb.632709$Ho3.121617@sccrnsc03> <bla4k2$nas$1@pegasus.csx.cam.ac.uk> <FR0eb.637973$uu5.101567@sccrnsc04> <r%0eb.163529$3o3.11771639@bgtnsc05-news.ops.worldnet.att.net> <bY1eb.633341$Ho3.121512@sccrnsc03> <Zs2eb.157980$0v4.11847973@bgtnsc04-news.ops.worldnet.att.net> <blbcjf$lrn$1@pegasus.csx.cam.ac.uk> <QEbeb.377802$2x.116648@rwcrnsc52.ops.asp.att.net> <blbmni$g2$1@pegasus.csx.cam.ac.uk> Subject: Re: True probabilistic rounding [was Re: Precision ...] Lines: 26 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Message-ID: <cgfeb.2249$Tu2.411549@news20.bellglobal.com> Date: Tue, 30 Sep 2003 09:14:07 -0400 NNTP-Posting-Host: 65.95.112.175 X-Complaints-To: abuse@sympatico.ca X-Trace: news20.bellglobal.com 1064927368 65.95.112.175 (Tue, 30 Sep 2003 09:09:28 EDT) NNTP-Posting-Date: Tue, 30 Sep 2003 09:09:28 EDT Organization: Bell Sympatico