asa032, a C++ code which evaluates the incomplete Gamma function, by G Bhattacharjee.
The code is Applied Statistics Algorithm 32.
The computer code and data files described and made available on this web page are distributed under the MIT license
asa032 is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and a Python version.
ASA147, a C++ code which evaluates the incomplete Gamma function.
ASA239, a C++ code which evaluates the incomplete Gamma function.
DCDFLIB, a C++ code which evaluates and inverts a number of statistical distributions.
GSL, a C++ code which includes many routines for evaluating probability distributions.
PROB, a C++ code which evaluates and inverts a number of probabilistic distributions.
TEST_VALUES, a C++ code which contains sample values for a number of distributions.
TOMS435, a FORTRAN77 library which evaluates the modified incomplete Gamma function.
TOMS708, a FORTRAN90 library which includes routines to evaluate the incomplete Gamma function.
Original FORTRAN77 version by G Bhattacharjee; C++ version by John Burkardt.