hb_read_test

hb_read_test, a FORTRAN77 code which calls hb_read(), which reads files in the Harwell Boeing (HB) sparse matrix format. This is a simplified interface intended to handle only the most common format, complex unsymmetric assembled (CUA) or real unsymmetric assembled (RUA).

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_read, a FORTRAN77 code which reads files in the Harwell Boeing (HB) sparse matrix format. This is a simplified interface intended to handle only the most common format, complex unsymmetric assembled (CUA) or real unsymmetric assembled (RUA).

Source Code:

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

Various Harwell-Boeing matrices used by the tests include:

• cavity_big_rua.txt, a real unsymmetric assembled 5030x5030 matrix stored in a Harwell Boeing matrix file, with 132463 nonzeros.
• cavity_small_rua.txt, a real unsymmetric assembled 92x92 matrix stored in a Harwell Boeing matrix file, with 1363 nonzeros.
• cg05_cua.txt, a complex unsymmetric assembled 25x25 matrix stored in a Harwell Boeing matrix file, with 105 nonzeros.
• cg20_cua.txt, a complex unsymmetric assembled 400x400 matrix stored in a Harwell Boeing matrix file, with 1920 nonzeros.
• cmat_cua.txt, a complex unsymmetric assembled 1280x1280 matrix stored in a Harwell Boeing matrix file, with 22778 nonzeros.
• g05_rua.txt, a real unsymmetric assembled 25x25 matrix stored in a Harwell Boeing matrix file, with 105 nonzeros.
• g10_rua.txt, a real unsymmetric assembled 100x100 matrix stored in a Harwell Boeing matrix file, with 460 nonzeros.
• g20_rua.txt, a real unsymmetric assembled 400x400 matrix stored in a Harwell Boeing matrix file, with 1920 nonzeros.