st_io, a Fortran90 code which reads and writes files in the Sparse Triplet (ST) format used for storing sparse matrices.
The information on this web page is distributed under the MIT license.
st_io 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.
ccs_io, a Fortran90 code which reads and writes sparse linear systems stored in the Compressed Column Storage (CCS) format.
ccs_to_st, a Fortran90 code which converts a sparse matrix from compressed column sparse (CCS) to sparse triple (ST) format.
st_to_ccs, a Fortran90 code which converts sparse matrix data from Sparse Triplet (ST) format to Compressed Column Sparse (CCS) format.