asa245, a FORTRAN77 code which evaluates the logarithm of the gamma function, by Allan Mcleod;
This is a version of Applied Statistics Algorithm 245.
The computer code and data files described and made available on this web page are distributed under the MIT license
asa245 is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.
fn, a FORTRAN77 library which approximates elementary and special functions using Chebyshev polynomials, by Wayne Fullerton.
specfun, a FORTRAN77 library which evaluates certain special functions using fitted data.
TEST_VALUES, a FORTRAN77 library which contains sample values for a number of distributions.
TOMS291, a FORTRAN77 library which evaluates the logarithm of the Gamma function.
TOMS708, a FORTRAN77 library which evaluates several special functions, including the logarithm of the Gamma function.
Original FORTRAN77 version by Allan Mcleod; This version by John Burkardt.