About

A collection of useful standalone routines and modules for Fortran projects.

Content

legendre_polynomial_lib.f90: module, evaluates the Legendre polynomial and associated functions. For details: https://people.sc.fsu.edu/~jburkardt/f_src/legendre_polynomial/legendre_polynomial.html

bspline_lib.f90: module, routines for B-spline interpolation in one, two, and three dimensions.

quadpack_double_lib.f90: module, quadrature rules for numerical integration of one-dimensional functions using double precision.

rk4_lib.f90: module, implements a simple Runge-Kutta solver for an initial value problem. For details: https://people.sc.fsu.edu/~jburkardt/f_src/rk4/rk4.html

toms526_lib.f90: module, interpolates scattered bivariate data using Hiroshi Akima's method. For details: https://people.sc.fsu.edu/~jburkardt/f_src/toms526/toms526.html

toms660_lib.f90: module, interpolates scattered 2D data, also called "qshep2d", by Robert Renka. For details: https://people.sc.fsu.edu/~jburkardt/f_src/toms660/toms660.html

toms661_lib.f90: module, interpolates scattered 3D data, also known as "qshep3d", by Robert Renka. For details: https://people.sc.fsu.edu/~jburkardt/f_src/toms661/toms661.html

toms790_lib.f90: module, constructs an interpolant to scattered 2D data, by Robert Renka. For details: https://people.sc.fsu.edu/~jburkardt/f_src/toms790/toms790.html

wigner_3j_lib.f90: module, constructs a set of Wigner 3j symbols using a recursion equation. For details: K. Schulten and R.G. Gordon, J. Math. Phys. 16, 1961-1970 (1975), IBID. 16, 1971-1988 (1975)

How to use

Use one of the shell scripts in the scripts/ directory to compile all routines (either GNU gfortran or Intel ifort). Then, link the object files .o (and .mod for modules) to your project.