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=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,f1a7d87c644a81db X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.68.241.162 with SMTP id wj2mr11414000pbc.2.1340792331849; Wed, 27 Jun 2012 03:18:51 -0700 (PDT) Path: l9ni25366pbj.0!nntp.google.com!news2.google.com!goblin2!goblin.stu.neva.ru!aioe.org!.POSTED!not-for-mail From: "Dmitry A. Kazakov" Newsgroups: comp.lang.ada Subject: Re: Ada in medical devices Date: Wed, 27 Jun 2012 12:18:52 +0200 Organization: cbb software GmbH Message-ID: References: Reply-To: mailbox@dmitry-kazakov.de NNTP-Posting-Host: FbOMkhMtVLVmu7IwBnt1tw.user.speranza.aioe.org Mime-Version: 1.0 X-Complaints-To: abuse@aioe.org User-Agent: 40tude_Dialog/2.0.15.1 X-Notice: Filtered by postfilter v. 0.8.2 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Date: 2012-06-27T12:18:52+02:00 List-Id: On Wed, 27 Jun 2012 11:10:17 +0100, Ian Clifton wrote: > Jerry Petrey writes: > >> On 6/21/2012 3:37 PM, Jeffrey Carter wrote: >>> >>> I once knew a C coder, and a mediocre C coder at that, who was coding >>> for pacemakers. I hope I never need one. >> How true. Remember the Therac-25 incident in the 1980's where C >> pointer problems killed a number of people with huge doses of X-rays? >> > To be fair, I believe the Therac-25 software was written in PDB-11 > assembler: > > http://sunnyday.mit.edu/papers/therac.pdf page 23 MACRO-11 was a higher level language than C, almost serious. (:-)) -- Regards, Dmitry A. Kazakov http://www.dmitry-kazakov.de