[R] Bessel function

[Prof Brian Ripley]

On Wed, 15 Sep 2004 beat.huggler at rmf.ch wrote:

> Currently, I'm implementing the generalized hyperbolic distribution into
> Splus. Unfortunately the Bessel function is not implemented in Splus. In
> R the Bessel function does exist but it is an internal function and I'm
> not able to look at the code.
> 
> Is there any possibility to see the code of the Bessel function in R or

Of course.  It *is* in the sources.  What stops you looking at the 
sources?  (Where they are is in the FAQ, for example.)

BTW, there are four Bessel functions in R, and others do exist.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595