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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 101deb,e8bee2f0c75c8235 X-Google-Attributes: gid101deb,public X-Google-Thread: 12b42c,cefd160f01546cf0 X-Google-Attributes: gid12b42c,public X-Google-Thread: 103376,82c2596e4584d057 X-Google-Attributes: gid103376,public From: "Theodore E. Dennison" Subject: Re: Ariane 5 Failure - Summary Report Date: 1996/07/30 Message-ID: <31FE2B44.446B9B3D@escmail.orl.mmc.com>#1/1 X-Deja-AN: 171094179 references: <31F60E8A.2D74@lmtas.lmco.com> <31F629B8.5FFB@lmtas.lmco.com> <4t6opg$4cp@goanna.cs.rmit.edu.au> <31F8DCDF.190F@lmtas.lmco.com> content-type: text/plain; charset=us-ascii organization: Lockheed Martin Information Systems mime-version: 1.0 newsgroups: comp.lang.ada,comp.lang.pl1,rmit.cs.100 x-mailer: Mozilla 2.0 (X11; I; SunOS 4.1.3_U1 sun4m) Date: 1996-07-30T00:00:00+00:00 List-Id: Ken Garlington wrote: > > ++ robin wrote: > > > An error-handler for overflow should have been included, > > but should have returned control directly to the program > > (this only as an emergency resort). The code should have > > included a check for data out of range (or better, storage > > of adequate size.) > > I agree with the second part. However, it's not clear that returning > to the program would have helped. This is one area in which I think > the final report is too optimistic. It suggests that the correct > response to the exception was to provide the "best data available." > That might be possible, but in general it's a tricky business. > I'm glad to see that I wasn't the only one bothered by that suggestion. The thought of a missle cruising around randomly based on "best data available" from a faulty computer is frankly a little scary. Perhaps the commision is hoping that the next missile blows up EuroDisney. :-) -- T.E.D. | Work - mailto:dennison@escmail.orl.mmc.com | | Home - mailto:dennison@iag.net | | URL - http://www.iag.net/~dennison |