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 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,58539c37894df295 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Received: by 10.68.222.225 with SMTP id qp1mr935812pbc.8.1346981005359; Thu, 06 Sep 2012 18:23:25 -0700 (PDT) Path: t10ni3717795pbh.0!nntp.google.com!border1.nntp.dca.giganews.com!border4.nntp.dca.giganews.com!border2.nntp.dca.giganews.com!border2.nntp.ams.giganews.com!nntp.giganews.com!newsreader4.netcologne.de!news.netcologne.de!news.glorb.com!npeer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!post02.iad.highwinds-media.com!news.flashnewsgroups.com-b7.4zTQh5tI3A!not-for-mail From: Stephen Leake Newsgroups: comp.lang.ada Subject: Re: Curiosity rover on Mars References: <91c0b518-899a-473f-96f8-2df630094412@googlegroups.com> Date: Thu, 30 Aug 2012 07:27:36 -0400 Message-ID: <85a9xcy5zr.fsf@stephe-leake.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (windows-nt) Cancel-Lock: sha1:GW7htgkewaKHFMIyjPxiYR1UATY= MIME-Version: 1.0 X-Complaints-To: abuse@flashnewsgroups.com Organization: FlashNewsgroups.com X-Trace: 794c3503f4e2be029e66102895 X-Received-Bytes: 1786 Content-Type: text/plain Date: 2012-08-30T07:27:36-04:00 List-Id: "Jeffrey R. Carter" writes: > On Wednesday, August 8, 2012 7:41:05 AM UTC-7, Peter C. Chapin wrote: >> The Curiosity rover successfully landed on Mars earlier this week. >> Congratulations to NASA and to all those who worked on the daring and >> controversial new landing system---which apparently worked perfectly. I >> saw a NASA video that mentioned that there was 500,000 lines of code in >> the EDL (Entry, Descent, and Landing) system. Does anyone happen to know >> if there is any Ada on board that spacecraft? > > According to > > http://programmers.stackexchange.com/questions/159637/what-is-the-mars-curiosity-rovers-software-built-in > > it's in C, possibly "mostly auto-generated". Which means it's not in C, it's in some graphical language. If you use a compilation system for Ada that happens to use C as an intermediate language, would you say your application is "written in C, mostly auto-generated"? Why is a graphical language that uses C as an intermediate any different? -- -- Stephe