l4lib, a Python code which contains many utility routines for "L4" or "one byte logical" arithmetic.
The computer code and data files made available on this web page are distributed under the MIT license
l4lib is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.
c8lib, a Python code which implements certain elementary functions for "C8" or double precision complex variables;
i4lib, a Python code which contains many utility routines, using "I4" or "4 byte integer" arithmetic.
r8lib, a Python code which contains many utility routines, using "R8" or "double precision real" arithmetic.