Source code and documentation for libraries in the areas of geophysical science, Fast Fourier Transforms, separable elliptic PDEs, interpolation, Legendre polynomials, spherical harmonics, general mathematics, eigensystem solvers, linear equation solv...
Collection of vectorized, portable Fortran 77/90 subprograms which efficiently solve linear elliptic PDEs using multigrid iteration. OpenMP directives are used in the latest version to enable shared memory parallelism.