gamma and Bessel functions

[Mike McNally]

I'm implementing a UNIX-compat. math library.  Anybody know of a good
place to find a numerical algorithm-type description of the gamma
function and the Bessel functions in the UNIX library?  The CRC of
course has a wonderful (and to me at this point quite unintelligible)
description, but I strongly suspect that there's a good way and lots of
really bad ways to compute them.

Just so's I'll know, if anyone has written code to use these things,
I'd like to hear why, and also how you felt on that day (like, were
you being treated for some psychological disorder).

-- 
Mike McNally of Lynx Real-Time Systems

uucp: lynx!m5 (maybe pyramid!voder!lynx!m5 if lynx is unknown)