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Re: Bessel function bug or limitation?


Rodolphe Conan writes:
 > > I need to compute bessel function for large arguments (for example: 
 > > gsl_sf_bessel_Jn(0,20000))
 > > and GSL crashes with the following error message:
 > > gsl: bessel.c:531: ERROR: error
 > > Abort (core dumped)
 > >
 > > I check the gsl_sf_bessel_Jn with 2 version of GSL 0.9.4 and 1.1.1:
 > > on GSL 0.9.4, GSL gave me the good value but with the wrong sign and
 > > now with the GSL 1.1.1 it crashes.
 > >
 > > Is it a bug or a known limitation of GSL?
 > >

Hi,
Please could you send more information:
- an example program which reproduces the problem
- the details of how you compiled/installed gsl (platform, compiler, etc).

Thanks
Brian Gough


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