From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15441 invoked by alias); 5 Sep 2002 15:37:53 -0000 Mailing-List: contact gsl-discuss-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sources.redhat.com Received: (qmail 15432 invoked from network); 5 Sep 2002 15:37:52 -0000 Received: from unknown (HELO escudo.nhh.no) (158.37.96.28) by sources.redhat.com with SMTP; 5 Sep 2002 15:37:52 -0000 Received: from nhh.no (colon.nhh.no [158.37.98.22]) by escudo.nhh.no (8.12.2/8.12.2) with SMTP id g85FbpFM077211 for ; Thu, 5 Sep 2002 17:37:51 +0200 (CEST) Received: from d226-24-170.home.cgocable.net ([24.226.24.170]) (SquirrelMail authenticated user sameos) by webmail.nhh.no with HTTP; Thu, 5 Sep 2002 11:37:51 -0400 (EDT) Message-ID: <50246.24.226.24.170.1031240271.squirrel@webmail.nhh.no> Date: Thu, 05 Sep 2002 08:37:00 -0000 Subject: matrix decompositions fails on Max os X 10.2 From: "=?iso-8859-1?Q?Erik_=D8._S=F8rensen?=" To: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-SW-Source: 2002-q3/txt/msg00188.txt.bz2 Matrix decompositions seem to fail: PASS: bidiag_decomp m(5,3) ( 9, 7)[0,0]: 1.00000095367431574 1 ( 9, 7)[0,1]: 0.500000476837157981 0.5 ( 9, 7)[0,3]: 0.250000238418579046 0.25 ( 9, 7)[2,1]: 0.250000238418578935 0.25 ( 9, 7)[3,4]: 0.12500011920928944 0.125 ( 9, 7)[4,3]: 0.125000119209289468 0.125 ( 9, 7)[5,2]: 0.125000119209289468 0.125 ( 9, 7)[6,1]: 0.12500011920928944 0.125 FAIL: bidiag_decomp m(9,7) ( 2, 2)[0,1]: 0.500000476837157759 0.5 ( 2, 2)[1,0]: 0.500000476837157759 0.5 FAIL: bidiag_decomp hilbert(2) ( 3, 3)[0,0]: 1.00000095367431574 1 and it goes on, some of the decompositions passing, many of them failing, seems to be mainly in the 7th to 9th significant digits. Would be very grateful for any help with what causes this -- I have never had any problems with gsl on the linux laptop which has suffered massive hardware failure. Thanks, Erik -- Erik Øiolf Sørensen phd student Department of Economics, Norwegian School of Economics Visiting Queen's University, Kingston, Ontario. phone, office: (+1) 613-533-6000, ext. 74030.