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Re: [Help-gsl] GSL 1.16: gsl_sf_bessel_jl failure

From: Patrick Alken
Subject: Re: [Help-gsl] GSL 1.16: gsl_sf_bessel_jl failure
Date: Mon, 16 Sep 2013 18:46:01 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130330 Thunderbird/17.0.5

Hi, looks like a bug, possibly a duplicate of bug #37209. Could you send along a simple test program which demonstrates the problem? Thanks


On 09/16/2013 07:27 AM, JE Campagne wrote:
Dear developpers

I am running GSL 1.16 with such architecture

Linux 2.6.32-220.13.1.el6.x86_64 #1 SMP Tue Apr 17
15:16:22 CDT 2012 x86_64 x86_64 x86_64 GNU/Linux

and  gcc compilor version gcc (GCC) 4.4.5 20110214

I have a problem both with
gsl_sf_bessel_jl_e(int l, double x, gsl_sf_result* r)
gsl_sf_bessel_jl (int l, double x)

routine that fails to compute with l>~256 and produce such message

gsl: gamma.c:1467: ERROR: underflow
Default GSL error handler invoked.
Abort (core dumped)

Is there a way to avoid such features or is it a bug?

J.E Campagne

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