r4lib, a FORTRAN77 code which contains a number of utility routines for "R4" or "single precision real" arithmetic.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
r4lib is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version and a Python version.
c4lib, a FORTRAN77 library 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.
R8LIB, a FORTRAN77 library which contains many utility routines, using "R8" or "double precision real" arithmetic.
SUBPAK, a FORTRAN77 library which contains many utility routines;