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Re: [Bug-gsl] A Bug of gsl_sum_levin_u_accel()

From: Brian Gough
Subject: Re: [Bug-gsl] A Bug of gsl_sum_levin_u_accel()
Date: Mon, 15 Jun 2009 11:19:22 +0100
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI)

At Fri, 12 Jun 2009 15:21:57 +0900,
足立 聡 wrote:
> I think that the situation that I meet the bug of
> gsl_sum_levin_u_accel() is a natural one as the situation in which
> the technique of the series acceleration is used.  Many users of
> gsl_sum_levin_u_accel() may face the same problem.


Thank you for your interesting bug report. I agree that we should try
to make the function return a better result in this case -- any series
with zeros will produce a bad result.  I have logged this as a bug at

Brian Gough
(GSL Maintainer)

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