From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15474 invoked by alias); 17 Feb 2011 23:02:09 -0000 Received: (qmail 15465 invoked by uid 22791); 17 Feb 2011 23:02:08 -0000 X-SWARE-Spam-Status: No, hits=-1.1 required=5.0 tests=AWL,BAYES_05,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: sourceware.org Received: from mail-bw0-f41.google.com (HELO mail-bw0-f41.google.com) (209.85.214.41) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 17 Feb 2011 23:02:04 +0000 Received: by bwz16 with SMTP id 16so3140777bwz.0 for ; Thu, 17 Feb 2011 15:02:02 -0800 (PST) Received: by 10.204.33.87 with SMTP id g23mr2269133bkd.144.1297983722211; Thu, 17 Feb 2011 15:02:02 -0800 (PST) MIME-Version: 1.0 Received: by 10.204.62.207 with HTTP; Thu, 17 Feb 2011 15:01:41 -0800 (PST) From: Rhys Ulerich Date: Thu, 17 Feb 2011 23:02:00 -0000 Message-ID: Subject: obtaining residual for gsl_root_test_residual To: gsl-discuss@sourceware.org Content-Type: text/plain; charset=ISO-8859-1 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: 2011-q1/txt/msg00005.txt.bz2 Dumb question: Is there a way to query a gsl_root_fsolver for the current residual? I'd like to use it within gsl_root_test_residual but would like to avoid re-computing the residual. My apologies if I've missed something obvious in the documentation, Rhys