From: Brian Gough <bjg@network-theory.co.uk>
To: Frank Reininghaus <frank78ac@googlemail.com>
Cc: gsl-discuss@sourceware.org
Subject: Re: Bug report and fix for adaptive step size control in ODE solving
Date: Thu, 03 Jan 2008 15:54:00 -0000 [thread overview]
Message-ID: <87ejcync3o.wl%bjg@network-theory.co.uk> (raw)
In-Reply-To: <4772D239.9070206@googlemail.com>
At Wed, 26 Dec 2007 23:14:17 +0100,
Frank Reininghaus wrote:
> I've found some problems with adaptive step size control which can
> lead to an infinite loop under special circumstances. I've attached
> three test case programs where the rhs of the ODE to be solved is a
> step function. All programs lead to infinite loops either in the the
> loop in my code (which should be equivalent to the loop in the example
> program
> in the documentation) or in gsl_odeiv_evolve_apply () (in the file
> ode-initval/evolve.c) for different reasons.
Thanks for the bug report. This is really useful.
I am adding the examples to the test suite right now.
Then I'll see what the best solution is.
--
Brian Gough
next prev parent reply other threads:[~2008-01-03 15:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-26 22:14 Frank Reininghaus
2008-01-02 13:40 ` Kevin H. Hobbs
2008-01-02 14:18 ` Jochen Küpper
2008-01-02 18:51 ` Frank Reininghaus
2008-01-03 9:01 ` Unwanted compiler optimization (was: Bug report and fix for adaptive step size control in ODE solving) Jochen Küpper
2008-01-04 10:44 ` Brian Gough
2008-01-03 5:15 ` Bug report and fix for adaptive step size control in ODE solving Michael Stauffer
2008-01-03 15:54 ` Brian Gough [this message]
2008-01-04 9:46 ` Brian Gough
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