From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29285 invoked by alias); 5 Apr 2009 12:28:15 -0000 Received: (qmail 29277 invoked by uid 22791); 5 Apr 2009 12:28:14 -0000 X-SWARE-Spam-Status: No, hits=-1.2 required=5.0 tests=AWL,BAYES_20 X-Spam-Check-By: sourceware.org Received: from smtp4.welho.com (HELO smtp4.welho.com) (213.243.153.38) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 05 Apr 2009 12:28:08 +0000 Received: from [10.0.0.133] (cs27048245.pp.htv.fi [89.27.48.245]) by smtp4.welho.com (Postfix) with ESMTP id 551375BC02D for ; Sun, 5 Apr 2009 15:28:05 +0300 (EEST) Message-ID: <49D8A3E0.1020603@iki.fi> Date: Sun, 05 Apr 2009 12:28:00 -0000 From: Tuomo Keskitalo User-Agent: Mozilla-Thunderbird 2.0.0.19 (X11/20090103) MIME-Version: 1.0 To: GSL Discuss Mailing List Subject: Re: ode-initval implicit solvers and development References: <48E25CA9.6080306@iki.fi> <490DE4BD.7070907@iki.fi> <497B00F6.2080400@iki.fi> <498727E5.6080407@iki.fi> <49AA9DB5.6030908@iki.fi> In-Reply-To: <49AA9DB5.6030908@iki.fi> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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: 2009-q2/txt/msg00000.txt.bz2 Hello, On 03/01/2009 04:37 PM, Tuomo Keskitalo wrote: > I think that if I later on have time to implement Radau II A, it will > not introduce any further changes to the framework. Stability detection > should still be added to msbdf, otherwise it is feature-complete. > Thereby, I hope to hear your opinion about this development branch. Can > it be incorporated into GSL, or should it be e.g. an extension library? Now a work version of a heuristic stability enhancement has been added to msbdf, among other finetuning and corrections. I've now also added function benchmark_precision to test.c for benchmarking. Apparently msbdf works badly for rhs_func_exp, but currently I think that it is a feature and not a bug. More info at ChangeLog-Keskitalo. Git source at http://iki.fi/tuomo.keskitalo/gsl/ode-initval-additions/.git -- Tuomo.Keskitalo@iki.fi http://iki.fi/tuomo.keskitalo