CC_TO_ST
Convert Sparse Matrix from Compressed Column to Sparse Triplet

CC_TO_ST is a FORTRAN77 library which converts sparse matrix information from compressed column (CC) to sparse triplet (ST) format.

Licensing:

The computer code and data files made available on this web page are distributed under the GNU LGPL license.

Languages:

CC_TO_ST is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version.

Related Data and Programs:

CC, a data directory which contains examples of the Compressed Column (CC) sparse matrix file format;

CC_IO, a FORTRAN77 library which reads and writes sparse linear systems stored in the Compressed Column (CC) format.

ST, a data directory which contains examples of the Sparse Triplet (ST) format, a sparse matrix file format, storing just (I,J,A(I,J)), and using zero-based indexing.

ST_IO, a FORTRAN77 library which reads and writes sparse linear systems stored in the ST "sparse triplet" Sparse Matrix format.

ST_TO_CC, a FORTRAN77 library which converts a sparse matrix from sparse triplet (ST) to compressed column (CC) format.

Source Code:

• cc_to_st.f, the source code.
• cc_to_st.sh, BASH commands to compile the source code.

Examples and Tests:

• cc_to_st_prb.f, a sample calling program.
• cc_to_st_prb.sh, BASH commands to compile and run the sample program.
• cc_to_st_prb_output.txt, the output file.

List of Routines:

• CC_PRINT prints a sparse matrix in CC format.
• CC_TO_ST converts sparse matrix information from CC to ST format.
• ST_PRINT prints a sparse matrix in ST format.
• TIMESTAMP prints the current YMDHMS date as a time stamp.

You can go up one level to the FORTRAN77 source codes.