i4lib, a C code which contains many utility routines for "I4" or "single precision integer" arithmetic.
The computer code and data files described and made available on this web page are distributed under the MIT license
i4lib 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.
c4lib, a C code which implements certain elementary functions for "C4" or single precision complex variables;
C8LIB, a C code which implements certain elementary functions for "C8" or double precision complex variables;
I8LIB, a C code which contains many utility routines, using "I8" or "double precision integer" arithmetic.
R4LIB, a C code which contains many utility routines, using "R4" or "single precision real" arithmetic.
R8LIB, a C code which contains many utility routines, using "R8" or "double precision real" arithmetic.