r8lib, a Fortran77 code which contains utilities for R8 or "double precision real" arithmetic.
The information on this web page is distributed under the MIT license.
r8lib is available in a C version and a C++ version and a Fortran77 version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.
c4lib, a Fortran77 code which implements certain elementary functions for "C4" or single precision complex variables;
c8lib, a Fortran77 library which implements certain elementary functions for "C8" or double precision complex variables;
i4lib, a Fortran77 library which contains many utility routines, using "I4" or "single precision integer" arithmetic.
I8LIB, a Fortran77 library which contains many utility routines, using "I8" or "double precision integer" arithmetic.
R4LIB, a Fortran77 library which contains many utility routines, using "R4" or "single precision real" arithmetic.
SUBPAK, a Fortran77 library which contains many utility routines;