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=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD, FREEMAIL_FROM autolearn=no 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,ASCII Path: g2news1.google.com!news2.google.com!postnews.google.com!22g2000prx.googlegroups.com!not-for-mail From: Shark8 Newsgroups: comp.lang.ada Subject: Re: How would Ariane 5 have behaved if overflow checking were notturned off? Date: Wed, 16 Mar 2011 14:31:08 -0700 (PDT) Organization: http://groups.google.com Message-ID: <245205af-c271-4815-b740-152a0e792326@22g2000prx.googlegroups.com> References: <4d80b140$0$43832$c30e37c6@exi-reader.telstra.net> <4d810172$0$4954$a8266bb1@postbox2.readnews.com> <4d81273c$0$4910$a8266bb1@postbox2.readnews.com> NNTP-Posting-Host: 174.28.172.140 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1300311068 19256 127.0.0.1 (16 Mar 2011 21:31:08 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Wed, 16 Mar 2011 21:31:08 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: 22g2000prx.googlegroups.com; posting-host=174.28.172.140; posting-account=lJ3JNwoAAAAQfH3VV9vttJLkThaxtTfC User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.15) Gecko/20110303 Firefox/3.6.15 ( .NET CLR 3.5.30729; .NET4.0E),gzip(gfe) Xref: g2news1.google.com comp.lang.ada:18263 Date: 2011-03-16T14:31:08-07:00 List-Id: On Mar 16, 3:10=A0pm, Hyman Rosen wrote: > On 3/16/2011 5:04 PM, Shark8 wrote: > > > "Ignore it and continue operation" is, in a word, WRONG. > > I hope this is implemented on the flight software of the > next airplane you fly on. On the contrary, ignore it and > continue operation may be exactly the right thing to do, > because the fault may be absorbed elsewhere and the system > will continue to carry out its intended purpose. Allowing some system to take care of it is, by definition, not 'ignoring' it. IOW, even in that case you are not absolving the responsibility to handle the "funny" datum but merely moving that responsibility to another place.