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=-1.8 required=5.0 tests=BAYES_00,PLING_QUERY autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,b6d862eabdeb1fc4 X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII Path: g2news2.google.com!news3.google.com!proxad.net!feeder1-2.proxad.net!news.in2p3.fr!in2p3.fr!news.ecp.fr!news.jacob-sparre.dk!pnx.dk!not-for-mail From: Jacob Sparre Andersen Newsgroups: comp.lang.ada Subject: Re: Ada noob here! Is Ada widely used? Date: Sun, 06 Jun 2010 08:36:23 +0200 Organization: Jacob Sparre Andersen Message-ID: <87vd9wbrbs.fsf@hugsarin.sparre-andersen.dk> References: <82pr06yvqu.fsf@stephe-leake.org> <7sxhe3ad80de$.5yvimcxk9vjb.dlg@40tude.net> NNTP-Posting-Host: 78.156.209.136.bredband.3.dk Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: munin.nbi.dk 1275806184 16509 78.156.209.136 (6 Jun 2010 06:36:24 GMT) X-Complaints-To: news@jacob-sparre.dk NNTP-Posting-Date: Sun, 6 Jun 2010 06:36:24 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) Cancel-Lock: sha1:d+PSErPpnn09kUmowS6y+ThFftI= Xref: g2news2.google.com comp.lang.ada:12305 Date: 2010-06-06T08:36:23+02:00 List-Id: Dmitry A. Kazakov wrote: > On Sat, 05 Jun 2010 11:05:16 +0200, Yannick Duch�ne (Hibou57) wrote: >> So this is chaotic (and there is a science which can talk about it >> too). > Do you mean chaos theory here? I don't think "chaos theory" as such is the right answer, but some of the tools developed to analyse and model complex systems may be able to help us put some numbers on the risks involved in changing software. As far as I know, nobody has done this yet, but it is definitely interesting. > In that context reliability must be redefined. Well, I doubt that > chaos theory could efficiently handle that. Although most of programs > as well as software developing processes are indeed > cyclic/iterative. One could try to apply the theory there. I don't think it is development process as much as it is the interconnectedness of the produced software which is interesting. > Boarding a plane would you be glad to hear that the software > developing process used for its flight system wasn't random? It was > CHAOTIC! (:-)) :-) Jacob -- "It ain't rocket science!"