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Re: [Help-gsl] Approximate Comparison of Floating Point Numbers

From: Brian Gough
Subject: Re: [Help-gsl] Approximate Comparison of Floating Point Numbers
Date: Fri, 05 Jun 2009 14:44:59 +0100
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI)

At Tue, 2 Jun 2009 13:34:39 +0530,
Awhan Patnaik wrote:
> With reference to int *gsl_fcmp* (double x, double y, double
> epsilon) is there a default choice of epsilon that will work for
> ``almost" all situations ?


I think this really depends on the context, there is a discussion in
Knuth which is the starting point and is worth checking out. 

> Is there an IRC channel where GSL geeks hang out ?

I don't think so, I don't use IRC myself, this mailing list is the
main place to ask questions.

Brian Gough
(GSL Maintainer)

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