From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,c4cb2c432feebd9d X-Google-Thread: 1094ba,c4cb2c432feebd9d X-Google-Thread: 101deb,15c6ed4b761968e6 X-Google-Attributes: gid103376,gid1094ba,gid101deb,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed00.sul.t-online.de!t-online.de!feeder.news-service.com!feed.xsnews.nl!feeder.xsnews.nl!138.199.65.86.MISMATCH!sn-xt-ams-06!sn-xt-ams-03!sn-ams!sn-feed-ams-02!sn-post-ams-02!sn-post-sjc-01!supernews.com!corp.supernews.com!not-for-mail From: "Shmuel (Seymour J.) Metz" Newsgroups: comp.lang.ada,comp.lang.fortran,comp.lang.pl1 Subject: Re: ONES COMPLEMENT (was: Ada vs Fortran for scientific applications) Date: Wed, 19 Jul 2006 16:40:01 -0300 Organization: Atid/2 Message-ID: <44be98a1$38$fuzhry+tra$mr2ice@news.patriot.net> References: <0ugu4e.4i7.ln@hunter.axlog.fr> <%P_cg.155733$eR6.26337@bgtnsc04-news.ops.worldnet.att.net> <6H9dg.10258$S7.9150@news-server.bigpond.net.au> <1hfv5wb.1x4ab1tbdzk7eN%nospam@see.signature> <20060712.7A4E6E0.D028@mojaveg.lsan.sisna <20060717.7A4ADD0.10B1A@mojaveg.lsan.sisna.com> <44bceab6$29$fuzhry+tra$mr2ice@news.patriot.net> <20060719.79A3E90.87CE@mojaveg.lsan.sisna.com> Mail-Copies-To: nobody X-CompuServe-Customer: Yes X-Coriate: interspeed.co.nz X-Ecrate: tanandtanlawyers.com X-Pose: George Cox X-Punge: Micro$oft X-Sanguinate: The MVS Guy X-Terminate: SPA(GIS) X-Tinguish: Mark Griffith X-Treme: C&C,DWS Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Newsreader: MR/2 Internet Cruiser Edition for OS/2 v2.67/60 X-Complaints-To: abuse@supernews.com Xref: g2news2.google.com comp.lang.ada:5824 comp.lang.fortran:12238 comp.lang.pl1:2057 Date: 2006-07-19T16:40:01-03:00 List-Id: In <20060719.79A3E90.87CE@mojaveg.lsan.sisna.com>, on 07/19/2006 at 09:11 AM, mojaveg@mojaveg.lsan.sisna.com (Everett M. Greene) said: >A subtractive adder. How so? 0+(-0) is a straight addition of 0...0 and 7...7, requiring nor complementation. >Try the Univac mainframes. Which ones? the 490 and the 1107 lines let you test for zero in a single instruction. >I once got bagged by one of a Univac-designed machine that did 0 x n >= -0 for any negative value of n. And that was a problem because? -- Shmuel (Seymour J.) Metz, SysProg and JOAT Unsolicited bulk E-mail subject to legal action. I reserve the right to publicly post or ridicule any abusive E-mail. Reply to domain Patriot dot net user shmuel+news to contact me. Do not reply to spamtrap@library.lspace.org