Aj. Macleod, ALGORITHM 757 - MISCFUN, A SOFTWARE PACKAGE TO COMPUTE UNCOMMON SPECIAL-FUNCTIONS, ACM transactions on mathematical software, 22(3), 1996, pp. 288-301
MISCFUN (MISCellaneous FUNctions) is a Fortran package for the evaluat
ion of several special functions, which are not used often enough to h
ave been included in the standard libraries or packages. The package u
ses Chebyshev expansions as the underlying method of approximation, wi
th the Chebyshev coefficients given to 20D. A wide variety of function
s are included, and the package is designed so that other functions ca
n be added in a standard manner.