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[Bug-gsl] gsl_sf_bessel_jl bug


From: Koichi Takahashi
Subject: [Bug-gsl] gsl_sf_bessel_jl bug
Date: Tue, 16 Oct 2007 01:45:59 -0700
User-agent: Thunderbird 2.0.0.6 (X11/20071008)

Hello,

gsl_sf_bessel_jl() crashes with at least one specific set of argument
values.

This;

double a = gsl_sf_bessel_jl( 30,   3875.6138424501978 );

fails in gsl_sf_bessel_J_CF1 () and invokes gsl_error().

Slightly different values, like

gsl_sf_bessel_jl( 30,   3875.610000000000 );
or
gsl_sf_bessel_jl( 29,   3875.6138424501978 );

seem to return correct results.


thanks,
Koichi






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