ASA314, a C library which computes the inverse of a matrix whose elements are subject to modulo arithmetic, by Roger Payne.
ASA314 is Applied Statistics Algorithm 314. Source code for many Applied Statistics Algorithms is available through STATLIB.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
ASA314 is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version.