Bessel functions of complex argument
Paul.Zimmermann at inria.fr
Fri Mar 24 07:33:04 CET 2023
> > I am really new to both MPFR and GMP. My current problem is the
> > evaluation of Bessel functions J and H(1) for complex argument with
> > multiple precision. I have seen the implementation of J in MPFR for real
> > argument but, if I am correct, this function has not been developed in
> > GMP for complex arguments. Could you please confirm to me that this is
> > the case? Do you have any suggestions on how to proceed? I guess that
> > "generalizing" the function defined in MPFR to complex arguments is not
> > that straighforward...
> you are asking in the wrong place. GMP is the lowest level and handles
> integers. MPFR handles reals. And MPC
> (https://www.multiprecision.org/mpc/) deals with complex numbers.
and since the Bessel functions are not available in MPC, I would recommend
Arb : https://arblib.org/.
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