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Re: [Bug-gsl] Bug in gsl_sf_exp_mult_e10_e error estimation

From: Brian Gough
Subject: Re: [Bug-gsl] Bug in gsl_sf_exp_mult_e10_e error estimation
Date: Thu, 17 Jan 2008 19:53:53 +0000
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.1 Mule/5.0 (SAKAKI)

At Mon, 14 Jan 2008 12:16:10 +0100,
Szymon Jaroszewicz wrote:
> There is a bug in error estimation for gsl_sf_exp_mult_e10_e:
> gsl_sf_exp_e10_e(10000) gives error estimate 3.911404048e-11
> but
> gsl_sf_exp_mult_e10_e(10000, 1) gives 3.911012947e-15

Thanks for the bug report and example program.
I've confirmed it and logged it in the bug tracker.
It does look like the error from gsl_sf_exp_mult_e10_e
is wrong.

Brian Gough

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