toms291

toms291, a FORTRAN90 code which approximates the logarithm of the Gamma function.

The text of many ACM TOMS algorithms is available online through ACM: https://calgo.acm.org/ or NETLIB: https://www.netlib.org/toms/index.html.

Licensing:

The computer code and data files made available on this web page are distributed under the MIT license

Languages:

toms291 is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version.

Related Data and Programs:

ASA245, a FORTRAN90 code which evaluates the logarithm of the Gamma function.

POLPAK, a FORTRAN90 code which evaluates a variety of special functions.

SPECFUN, a FORTRAN77 library which evaluates a variety of special functions.

TEST_VALUES, a FORTRAN90 code which tabulates several values of a variety of special functions.

toms291_test

TOMS708, a FORTRAN90 code which evaluates several special functions, including the logarithm of the Gamma function.

Reference:

  1. Malcolm Pike, David Hill,
    Algorithm 291: Logarithm of Gamma Function,
    Communications of the ACM,
    Volume 9, Number 9, September 1966, page 684.

Source Code:

Last revised on 13 March 2021.