Re: gsl_sf_coupling_3j

[Brian Gough <bjg at network-theory dot co dot uk>]

jdwright@wesleyan.edu writes:
 > Dear gsl users,
 >  Does anyone out there have experience using the
 > "gsl_sf_coupling_3j" routine of the "gsl_sf_coupling" package?  I
 > wonder if the call:
 >  gsl_sf_coupling_3j (two_ja,two_jb,two_jc,two_ma,two_mb,two_mc)
 >  yields accurate results for large values of two_ja, two_jb, and
 > two_jc around 30 with two_ma=0,two_mb=0,two_mc=0.
 >  Thanks,
 >  J. David Wright Physics Department Wesleyan University
 > jdwright@wesleyan.edu

The result->error term from the full version of the function
gsl_sf_coupling_3j_e() should give an estimate of the error.  

If it's not accurate please send a bug report, thanks.  The exact
value could be computed to high precision using GP-PARI, which is free
software.

regards
Brian Gough