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,FREEMAIL_FROM autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,7e8cebf09cf80560 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,UTF8 Path: g2news1.google.com!news1.google.com!news.glorb.com!feeder.erje.net!feeder.news-service.com!94.75.214.39.MISMATCH!aioe.org!.POSTED!not-for-mail From: =?utf-8?Q?Yannick_Duch=C3=AAne_=28Hibou57?= =?utf-8?Q?=29?= Newsgroups: comp.lang.ada Subject: Re: How would Ariane 5 have behaved if overflow checking were not turned off? Date: Tue, 15 Mar 2011 05:02:42 +0100 Organization: Ada @ Home Message-ID: References: <2442baf5-d53e-4e9a-bbe6-6803feead512@r19g2000prm.googlegroups.com> <31012998-bb5c-49c8-90d9-8770e203e0de@i35g2000prd.googlegroups.com> NNTP-Posting-Host: 3YQ/DqDPvV6UM0mlAWHuLA.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed; delsp=yes Content-Transfer-Encoding: Quoted-Printable X-Complaints-To: abuse@aioe.org User-Agent: Opera Mail/11.01 (Linux) X-Notice: Filtered by postfilter v. 0.8.2 Xref: g2news1.google.com comp.lang.ada:18198 Date: 2011-03-15T05:02:42+01:00 List-Id: Le Mon, 14 Mar 2011 21:28:17 +0100, KK6GM = a =C3=A9crit: > Well, if I "prove" that the length of an earth day can never be more > than 25 hours, and that if some sensor measures more than 25 hours I > must have a hardware failure, and then I run my system on venus and > the measured day is truly more than 25 hours, what should happen? Vinzent solved the mystery, he says =E2=80=9CPrecisely. The proof was ju= st for the = wrong engine=E2=80=9D. This explains both the funny fact with the proof = and what = cause the proof to be wrong in that case. If you use a proof made for = Venus, on Earth, proof will be wrong. Learned interesting things in that topic. -- = Si les chats miaulent et font autant de vocalises bizarres, c=E2=80=99es= t pas pour = les chiens. =E2=80=9CI am fluent in ASCII=E2=80=9D [Warren 2010]