ppc_sparse_matrix, a C code which packs a sparse MxN matrix into compressed column storage (CCS), or unpacks a compressed column storage matrix to MxN format, from Rouben Rostamian's "Programming Projects in C";
The information on this web page is distributed under the MIT license.
ppc_sparse_matrix is available in a C version.
ppc_xmalloc, a library which manages the allocation of memory, from Rouben Rostamian's "Programming Projects in C";