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-Thread: 103376,4eca860272d4832b X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!postnews.google.com!v45g2000cwv.googlegroups.com!not-for-mail From: "Adam Beneschan" Newsgroups: comp.lang.ada Subject: Re: Static vs dynamic evaluation anomaly? Date: 7 Feb 2007 08:44:24 -0800 Organization: http://groups.google.com Message-ID: <1170866664.465875.309930@v45g2000cwv.googlegroups.com> References: <12shen4qjhv41a7@corp.supernews.com> <1170792077.235994.10900@q2g2000cwa.googlegroups.com> <87d54mguco.fsf@ludovic-brenta.org> <1170843700.7656.47.camel@localhost.localdomain> NNTP-Posting-Host: 66.126.103.122 Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Trace: posting.google.com 1170866671 15552 127.0.0.1 (7 Feb 2007 16:44:31 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Wed, 7 Feb 2007 16:44:31 +0000 (UTC) In-Reply-To: <1170843700.7656.47.camel@localhost.localdomain> User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.7.12) Gecko/20050922 Fedora/1.7.12-1.3.1,gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: v45g2000cwv.googlegroups.com; posting-host=66.126.103.122; posting-account=cw1zeQwAAABOY2vF_g6V_9cdsyY_wV9w Xref: g2news2.google.com comp.lang.ada:9080 Date: 2007-02-07T08:44:24-08:00 List-Id: On Feb 7, 2:21 am, Georg Bauhaus wrote: > On Wed, 2007-02-07 at 11:00 +0100, Ludovic Brenta wrote: > > Steve writes: > > > Adam Beneschanwrote > > >> On Feb 6, 9:29 am, Matt Jaffe wrote: > > > >> The following program produces incorrect results on GNAT, or at least > > >> on the version I'm using: > > > >> with Ada.Text_IO; > > >... > > >> end test271; > > > > One more data point... ObjectAda 7.2.2 gives the result: > > > > When J= 0, X*2**J = 31 > > > When J= 1, X*2**J = 62 > > > When J= 2, X*2**J = 60 > > > When J= 3, X*2**J = 56 > > > When J= 4, X*2**J = 48 > > > When J= 5, X*2**J = 32 > > > > Which I believe is correct, > > > Regards, > > > Actually I'll take back what I said earlier. With Debian gnat > > 4.1.1-22 I also get these seemingly correct results. > > It seems to depend on a compiler switch, could you try > > $ gnatmake -gnatp -s test271 > $ gnatmake -gnato -s test271 Yes, it does make a difference. It appears that I'm using version 4.0.0. When I use -gnato, I get the correct results; when I use - gnatp, or no flag, I get incorrect results (Text_IO displays values greater than 63, same as what Matt was seeing). -- Adam