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[bug-gsl] Re: GSL: suggestion, E_n (2008-10-10)

From: Brian Gough <bjg@gnu.org>
Subject: Re: GSL: suggestion, E_n
Date: Fri, 10 Oct 2008 22:15:52 +0100
To: "Oleg V. Motygin" <o.v.motygin@.........>
Cc: bug-gsl@gnu.org

At Wed, 08 Oct 2008 14:21:55 +0100,
Oleg V. Motygin wrote:
> I think it would be great if you could improve the GSL routines
> for computations of exponential integrals so that they can accept
> complex arguments too. A good algorithm for this was published in
>
> ACM Transactions on Mathematical Software
> Donald E. Amos, Computation of Exponential Integrals of a Complex
> Argument, vol.16, no. 2, p.169--177, 1990,
> http://doi.acm.org/10.1145/78928.78933
>
> ACM Transactions on Mathematical Software
> Donald E. Amos, Algorithm 683: A Portable FORTRAN Subroutine for
> Exponential Integrals of a Complex Argument, vol.16, no. 2,
> p.178--182, 1990,
> http://doi.acm.org/10.1145/78928.78934

Thanks for the suggestion - I agree it could be a useful function to
have. Would you be able to work on this?

--
Brian Gough

GNU Scientific Library -
http://www.gnu.org/software/gsl/