r8blt, a FORTRAN90 code which carries out some basic linear algebra operations on R8BLT matrices (real 64 bit precision band lower triangular format).
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
r8blt is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and a Python version.
linear_algebra, Fortran90 codes which carry out various linear algebra operations for matrices stored in a variety of formats.