sphere_monte_carlo, a C code which estimates the integral of F(X,Y,Z) over the surface of the unit sphere in 3D.
The information on this web page is distributed under the MIT license.
sphere_monte_carlo 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.
c_monte_carlo, a C code which uses Monte Carlo sampling to estimate areas and integrals.