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-Thread: 103376,c9d5fc258548b22a X-Google-NewGroupId: yes X-Google-Attributes: gida07f3367d7,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news2.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!novia!news-out.readnews.com!postnews3.readnews.com!not-for-mail Date: Wed, 09 Feb 2011 17:09:44 -0500 From: Hyman Rosen User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 Newsgroups: comp.lang.ada Subject: Re: How do I write directly to a memory address? References: <67063a5b-f588-45ea-bf22-ca4ba0196ee6@l11g2000yqb.googlegroups.com> <4d51905c$0$19486$882e7ee2@usenet-news.net> <36212a7b-deab-45d9-ac45-aa29cd90c7bc@o18g2000prh.googlegroups.com> <4d51a7bb$0$19486$882e7ee2@usenet-news.net> <4d52b489$0$19486$882e7ee2@usenet-news.net> <9a8njlwvey1p.1a96yvvgdf6yu.dlg@40tude.net> <4d52c5e5$0$19486$882e7ee2@usenet-news.net> <720b7e8f-1ae2-4b3b-851e-12b08b3c99e0@r4g2000prm.googlegroups.com> <4d52dd97$0$18057$882e7ee2@usenet-news.net> <9a8f406d-05ca-4bf3-8487-918d4e0dd634@o18g2000prh.googlegroups.com> <4d52ee47$0$18057$882e7ee2@usenet-news.net> <4d5306a0$0$18057$882e7ee2@usenet-news.net> <76c123ab-7425-44d8-b26d-b2b41a9aa42b@o7g2000prn.googlegroups.com> In-Reply-To: <76c123ab-7425-44d8-b26d-b2b41a9aa42b@o7g2000prn.googlegroups.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Message-ID: <4d5310ab$0$18057$882e7ee2@usenet-news.net> NNTP-Posting-Host: 0418c430.usenet-news.net X-Trace: DXC=i:YX]e On 2/9/2011 4:40 PM, Shark8 wrote: > What induction *CAN* do is tell you whether or not SumTo > is correctly constructed and that, barring exceptions, is > what guarantees the return-value to be correct. > > IE It is a proof of correctness; not per se a returner of values. Oh. OK, then. But I need to know what my SumTo function is going to do with a given value of N. I'm trying to reason about the behavior of my code here, not abstract math.