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Re: [Help-gsl] Java GNU Scientific Library first release

From: Brian Gough
Subject: Re: [Help-gsl] Java GNU Scientific Library first release
Date: Sun, 08 Jul 2007 23:04:40 +0100
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.1 Mule/5.0 (SAKAKI)

At Thu, 05 Jul 2007 10:53:10 +0200,
David Lindelöf wrote:
> My name is David Lindelöf, and I have been authorized by the
> administrators of the Java GNU Scientific Library (JGSL) project to take
> it over. Its goal is to develop appropriate Java wrapper classes and
> native libraries around the GSL.


Thanks for the information.

> 2) Can someone explain succintly what algorithms GSL is based upon? I
> have noticed, for instance, that Java's built-in Log function---which I
> understand is based on netlib---performs about 10% worse than GSL's log
> function when called through JGSL. Is this performance gain something
> that should be expected in all areas?

Generally there are references in the source code or in the manual.

Most of the simple special functions such as Log are based on
Chebyshev approximations.

Brian Gough

Network Theory Ltd,
Publishing Free Software Manuals ---

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