From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13914 invoked by alias); 21 Mar 2007 19:38:54 -0000 Received: (qmail 13906 invoked by uid 22791); 21 Mar 2007 19:38:53 -0000 X-Spam-Check-By: sourceware.org Received: from network-theory.com (HELO mail.network-theory.co.uk) (66.199.228.187) by sourceware.org (qpsmtpd/0.31) with ESMTP; Wed, 21 Mar 2007 19:38:45 +0000 Date: Wed, 21 Mar 2007 19:38:00 -0000 Message-ID: <87y7lq5qv3.wl%bjg@network-theory.co.uk> From: Brian Gough To: gsl-discuss@sourceware.org Subject: Re: generalized eigensystems In-Reply-To: <20070321180206.GA13688@hippogriff.physics.drexel.edu> References: <20070313050349.GA22421@hippogriff.physics.drexel.edu> <87ejni7vqw.wl%bjg@network-theory.co.uk> <20070321180206.GA13688@hippogriff.physics.drexel.edu> User-Agent: Wanderlust/2.14.0 (Africa) Emacs/21.3 Mule/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII X-Message-Mac: 8c73a85624a6df42ef02c874a52bf109 Mailing-List: contact gsl-discuss-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sourceware.org X-SW-Source: 2007-q1/txt/msg00066.txt.bz2 At Wed, 21 Mar 2007 12:02:06 -0600, Patrick Alken wrote: > Is this a known issue? I'm trying to use gsl_finite() in testgen > to better sort the eigenvalues so I can compare them to lapack > if there are infinities present. Basically I'm getting segfaults > all over the place whenever I try to access nans/infs in > double-precision mode. You can use GSL_IEEE_MODE=double-precision,mask-all to avoid that, or just call finite() directly. It does look like the order of the #ifdefs in sys/infnan.c could be improved there to pick up the right functions though. -- Brian Gough