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: a07f3367d7,47fc49812a5e8e38 X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!news2.google.com!npeer02.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!nntp.club.cc.cmu.edu!feeder.erje.net!news2.arglkargh.de!news.mixmin.net!aioe.org!not-for-mail From: =?iso-8859-15?Q?Yannick_Duch=EAne_=28Hibou57=29?= Newsgroups: comp.lang.ada Subject: Re: small example, using complex variables in Ada Date: Thu, 10 Jun 2010 13:03:47 +0200 Organization: Ada At Home Message-ID: References: <82ljannyeq.fsf@stephe-leake.org> NNTP-Posting-Host: V5c8K/i9W6tPzBeTPWRJ1g.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org X-Notice: Filtered by postfilter v. 0.8.2 User-Agent: Opera Mail/10.53 (Win32) Xref: g2news2.google.com comp.lang.ada:12552 Date: 2010-06-10T13:03:47+02:00 List-Id: >> It would be good to state the theoretically correct answer; I hope it's >> 1.5, not 1.499... :). > Note that they are mathematically equal (with an inifinite number of 9s) I'm not using so called Reals, so I am not at ease with details in this area: is it specified by the Ada standard or by the IEEE standard ? (I know Ada follows IEEE standard, while may be Ada adds some extra stuff there) Humor: where did you ever see an infinite sequence in a computer ? (except in a never-ending loop) -- There is even better than a pragma Assert: a SPARK --# check. --# check C and WhoKnowWhat and YouKnowWho; --# assert Ada; -- i.e. forget about previous premises which leads to conclusion -- and start with new conclusion as premise.