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-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,a00006d3c4735d70 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2004-02-25 08:34:16 PST Path: archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed.icl.net!newsfeed.freenet.de!feed.news.tiscali.de!uio.no!ntnu.no!not-for-mail From: Preben Randhol Newsgroups: comp.lang.ada Subject: Re: In-Out Parameters for functions Date: Wed, 25 Feb 2004 16:34:14 +0000 (UTC) Organization: PVV Message-ID: References: <1075987360.225622@master.nyc.kbcfp.com> <40236C0B.E988E003@0.0> <1077634311.254581@master.nyc.kbcfp.com> <1077718871.47635@master.nyc.kbcfp.com> <54cp3095jmv8s17h63d4bjdus0tec7l7pt@jellix.jlfencey.com> <1077721343.481619@master.nyc.kbcfp.com> <1077724400.221032@master.nyc.kbcfp.com> NNTP-Posting-Host: k-083152.nt.ntnu.no X-Trace: tyfon.itea.ntnu.no 1077726854 16007 129.241.83.152 (25 Feb 2004 16:34:14 GMT) X-Complaints-To: usenet@itea.ntnu.no NNTP-Posting-Date: Wed, 25 Feb 2004 16:34:14 +0000 (UTC) User-Agent: slrn/0.9.8.0 (Linux) Xref: archiver1.google.com comp.lang.ada:5799 Date: 2004-02-25T16:34:14+00:00 List-Id: On 2004-02-25, Hyman Rosen wrote: >> >> |if (Sqrt (x) > 5.0) and b then ... > > How would knowing that b is false help the compiler not call the > costly operation? isn't if (undecided) and false then the same as if false then ? Only in the case that b is true is the evaluation of needed Sqrt (x) > 5.0 Or have I missed som point here? -- "Saving keystrokes is the job of the text editor, not the programming language."