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=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD, FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: a07f3367d7,d275ad890e7b3ecc X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Received: by 10.224.213.1 with SMTP id gu1mr521408qab.7.1347993576604; Tue, 18 Sep 2012 11:39:36 -0700 (PDT) Received: by 10.229.69.3 with SMTP id x3mr76612qci.20.1347993575480; Tue, 18 Sep 2012 11:39:35 -0700 (PDT) Path: t12ni13859336qak.0!nntp.google.com!v8no98756qap.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: comp.lang.ada Date: Tue, 18 Sep 2012 11:39:35 -0700 (PDT) In-Reply-To: <4829eef7-891e-434e-8795-a75a5b38aa7f@googlegroups.com> Complaints-To: groups-abuse@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=37.200.243.184; posting-account=g6PEmwoAAADhFsmVm6Epjviaw4MLU0b5 NNTP-Posting-Host: 37.200.243.184 References: <4829eef7-891e-434e-8795-a75a5b38aa7f@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: Subject: Re: problem with Real_Matrix*Real_Matrix From: Anatoly Chernyshev Injection-Date: Tue, 18 Sep 2012 18:39:36 +0000 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Date: 2012-09-18T11:39:35-07:00 List-Id: On Tuesday, September 18, 2012 10:16:21 PM UTC+4, Egil H=F8vik wrote: > On Monday, September 17, 2012 3:37:15 PM UTC+2, reinkor wrote: > > Put(r*M); >=20 > As Anatoly pointed out, the bug is in Vector_Matrix_Product. >=20 > There's also a Matrix_Vector_Product, so you can probably work >=20 > around the bug by doing M*r instead. These operations are not commutative, yet if there's one bug, there must be= another. For the time being I would suggest to switch to something tested = by time, like lapack.