r83_np_test, a C code which calls r83_np(), which carries out some basic linear algebra operations on R83_NP matrices (real 64 bit precision tridiagonal 3xN format, nonpivoting factorization).
The information on this web page is distributed under the MIT license.
r83_np, a C library which contains linear algebra routines for R83 matrices (real, 64 bit, tridiagonal 3xN format, non-pivoting factorization).