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-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f849b,b8d52151b7b306d2 X-Google-Attributes: gidf849b,public X-Google-Thread: 103376,a00006d3c4735d70 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-12-23 11:32:08 PST Path: archiver1.google.com!postnews1.google.com!not-for-mail From: snarflemike@yahoo.com (Mike Silva) Newsgroups: comp.arch.embedded,comp.lang.ada Subject: Re: Certified C compilers for safety-critical embedded systems Date: 23 Dec 2003 11:32:08 -0800 Organization: http://groups.google.com Message-ID: <20619edc.0312231132.58868a9e@posting.google.com> References: <3fe00b82.90228601@News.CIS.DFN.DE> <3FE026A8.3CD6A3A@yahoo.com> <3bf1uvg2ntadvahfud2rg6ujk24sora6gr@4ax.com> <2u3auvogde8ktotlaq0ldiaska3g416gus@4ax.com> <20619edc.0312221020.3fd1b4ee@posting.google.com> <20619edc.0312222106.3b369547@posting.google.com> NNTP-Posting-Host: 154.6.152.68 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Trace: posting.google.com 1072207928 27236 127.0.0.1 (23 Dec 2003 19:32:08 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Tue, 23 Dec 2003 19:32:08 +0000 (UTC) Xref: archiver1.google.com comp.arch.embedded:6025 comp.lang.ada:3765 Date: 2003-12-23T11:32:08-08:00 List-Id: Alan Balmer wrote in message news:... > On 22 Dec 2003 21:06:08 -0800, snarflemike@yahoo.com (Mike Silva) > wrote: > >...For example, here's reference to a > >100:1 residual error reduction between C and SPARK, and a 10:1 > >reduction between C and Ada, with all code having been previously > >certified to DO178B level A: > > > >http://www.sparkada.com/downloads/Mar2002Amey.pdf > > An interesting article, though not for the residual error reduction > references, which are simply quotes of claims made by Lockheed, with > no background. Just to clarify, the error reduction claims I was referring to were those cited from a UK MoD study done by Aerosystems International. I'd like to be able to find that study, or a fuller summary, on line. Mike