hb_io_test

hb_io_test, an Octave code which calls hb_io(), which reads and writes files in the Harwell Boeing (HB) sparse matrix format.

Licensing:

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

Related Data and Programs:

hb_io, an Octave code which reads and writes sparse linear systems stored in the Harwell Boeing (HB) format for sparse matrices. This library is intended to handle the full range of HB formats.

Source Code:

• hb_io_test.m, calls all the tests.
• hb_io_test.sh, runs all the tests.
• hb_io_test.txt, the output file.

• hb_io_test01.m, tests HB_HEADER_READ.
• hb_io_test02.m, tests HB_HEADER_WRITE.
• hb_io_test03.m, tests HB_STRUCTURE_READ.
• hb_io_test04.m, tests HB_STRUCTURE_WRITE.
• hb_io_test05.m, tests HB_VALUES_READ.
• hb_io_test06.m, tests HB_VALUES_WRITE.
• hb_io_test07.m, tests HB_RHS_READ, HB_GUESS_READ, HB_EXACT_READ.
• hb_io_test08.m, tests HB_RHS_WRITE, HB_GUESS_WRITE, HB_EXACT_WRITE.
• hb_io_test09.m, tests HB_FILE_READ.
• hb_io_test10.m, tests HB_FILE_WRITE.
• hb_io_test11.m, tests HB_MATVEC_A_MEM.
• hb_io_test12.m, tests HB_VECMAT_A_MEM.

Data files you may copy include:

• rse_5.txt, a sample HBSMC symmetric unassembled "element" matrix file.
• rua_32.txt, a sample HBSMC unsymmetric assembled sparse matrix file.
• rua_32_file.txt, a full version of "rua_32.txt" written by HB_FILE_WRITE.
• rua_32_header.txt, the header of "rua_32.txt" written by HB_HEADER_WRITE.
• rua_32_rhs.txt, the headers, structure, values and right hand side of "rua_32.txt".
• rua_32_structure.txt, the headers and structure of "rua_32.txt".
• rua_32_values.txt, the headers, structure, and values of "rua_32.txt".
• rua_32_ax.txt, a sample HBSMC unsymmetric assembled sparse matrix file, with exact solutions, and two right hand side vectors computed from the exact solutions by calling HB_MATVEC_A_MEM.