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=-1.1 required=5.0 tests=BAYES_00, PP_MIME_FAKE_ASCII_TEXT autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII X-Google-Thread: 103376,be23df8e7e275d73 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-07-25 01:50:03 PST Path: archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!newsfeeds.belnet.be!news.belnet.be!oleane.net!oleane!nnrp.oleane.net!not-for-mail From: "Jean-Pierre Rosen" Newsgroups: comp.lang.ada Subject: Re: Java portability (was: An Ada IDE and discussions) Date: Wed, 25 Jul 2001 10:40:29 +0200 Organization: Adalog Message-ID: <9jm17i$6l7$1@s1.read.news.oleane.net> References: <%cR67.1385$mz6.4505748@nnrp3.proxad.net> <9jgopl$5v6$1@s1.read.news.oleane.net> <9jh2cv$aon$2@s1.read.news.oleane.net> <877kwycfw7.fsf@deneb.enyo.de> NNTP-Posting-Host: mailhost.axlog.fr X-Trace: s1.read.news.oleane.net 996050994 6823 195.25.228.57 (25 Jul 2001 08:49:54 GMT) X-Complaints-To: abuse@oleane.net NNTP-Posting-Date: Wed, 25 Jul 2001 08:49:54 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V5.50.4522.1200 Xref: archiver1.google.com comp.lang.ada:10551 Date: 2001-07-25T10:40:29+02:00 List-Id: "Florian Weimer" a �crit dans le message news: 877kwycfw7.fsf@deneb.enyo.de... > "Jean-Pierre Rosen" writes: > > > And is the result really portable? Even for numerics on a non-IEEE > > machine ? > > Yes, I think so. Some people claim that the JVM support for floating > point operations was designed so that it runs fast and correctly only > on Sun's hardware. ;-) What makes you think so ? The trouble is that Java *requires* IEEE arithmetic. On non IEEE hardware you have a choice of a) emulate IEEE in software (correct and slow) or b) ignore the requirement (incorrect and fast). On a non-IEEE number-crunching machine (like SGI), my bet is that the solution b) will be taken, hence my concern... -- --------------------------------------------------------- J-P. Rosen (rosen@adalog.fr) Visit Adalog's web site at http://www.adalog.fr