**cg_rc_test**,
a FORTRAN90 code which
calls cg_rc(), which
implements the conjugate gradient (CG) method for solving
a positive definite sparse linear system A*x=b,
using reverse communication (RC).

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

cg_rc, a FORTRAN90 code which implements the conjugate gradient (CG) method for solving a symmetric positive definite (SPD) sparse linear system A*x=b, using reverse communication (RC).

- cg_rc_test.f90, calls all the tests.
- cg_rc_test.sh, runs all the tests.
- cg_rc_test.txt, the output file.