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Re: [Bug-gsl] Bug in gsl_sf_coupling_3j_e

From: Brian Gough
Subject: Re: [Bug-gsl] Bug in gsl_sf_coupling_3j_e
Date: Mon, 15 Aug 2011 16:39:29 +0100
User-agent: Wanderlust/2.15.6 (Almost Unreal) Emacs/23.3 Mule/6.0 (HANACHIRUSATO)

At Fri, 12 Aug 2011 18:10:17 +0200,
Martin Landriau wrote:
> I found a problem with the function gsl_sf_coupling_3j_e located in the file 
> specfunc/coupling.c : the tests should pick up that 
> (l1 l2 l3) = 0
> (0  0  0 )  
> if l1+l2+l3 is not an even integer and it doesn't.  It instead attempts to 
> evaluate it and sometimes returns a non-zero value, albeit one with an error 
> larger than the value itself.

Thanks for the email, could you send a small example program showing
some cases that return a non-zero value so I can reproduce the problem.

Brian Gough

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