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=-1.1 required=5.0 tests=BAYES_00, PP_MIME_FAKE_ASCII_TEXT autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII X-Google-Thread: 103376,8b5b40006550b942 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2004-03-05 03:03:49 PST Path: archiver1.google.com!news2.google.com!newsfeed2.dallas1.level3.net!news.level3.com!zeus.visi.com!phobos.visi.com!news-out.visi.com!hermes.visi.com!news.octanews.net!feed2.news.rcn.net!rcn!border1.nntp.ash.giganews.com!nntp.giganews.com!newsfeed.stueberl.de!proxad.net!proxad.net!nnx.oleane.net!oleane!nnrp.oleane.net!skymaster!nobody From: "Jean-Pierre Rosen" Newsgroups: comp.lang.ada Subject: Re: data types & efficiency Date: Fri, 5 Mar 2004 11:22:56 +0100 Organization: Adalog Message-ID: References: NNTP-Posting-Host: mailhost.axlog.fr X-Trace: s1.read.news.oleane.net 1078484629 30562 195.25.228.57 (5 Mar 2004 11:03:49 GMT) X-Complaints-To: abuse@oleane.net NNTP-Posting-Date: Fri, 5 Mar 2004 11:03:49 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Xref: archiver1.google.com comp.lang.ada:6075 Date: 2004-03-05T11:22:56+01:00 List-Id: "Davide" a �crit dans le message de news:c29c7h$hbq$1@e3k.asi.ansaldo.it... > 1) always declare that variable as the *smallest* data type that will hold > the highest value of its possible range (example: if it can assume values > from 0 to 150 then declare it as an 8-bit integer); > Note the following very useful feature, if you want a type that includes *at least* a certain range: type Required is range 0..150; subtype Extended is Required'Base; Extended will provide you with the underlying base type, which should be the minimal hardware efficient type that includes your requirements. -- --------------------------------------------------------- J-P. Rosen (rosen@adalog.fr) Visit Adalog's web site at http://www.adalog.fr