1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2011 Gael Guennebaud <g.gael@free.fr>
5 // Copyright (C) 2012 Giacomo Po <gpo@ucla.edu>
6 //
7 // This Source Code Form is subject to the terms of the Mozilla
8 // Public License v. 2.0. If a copy of the MPL was not distributed
9 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
10 #include <cmath>
11
12 #include "../../test/sparse_solver.h"
13 #include <Eigen/IterativeSolvers>
14
test_minres_T()15 template<typename T> void test_minres_T()
16 {
17 MINRES<SparseMatrix<T>, Lower|Upper, DiagonalPreconditioner<T> > minres_colmajor_diag;
18 MINRES<SparseMatrix<T>, Lower, IdentityPreconditioner > minres_colmajor_lower_I;
19 MINRES<SparseMatrix<T>, Upper, IdentityPreconditioner > minres_colmajor_upper_I;
20 // MINRES<SparseMatrix<T>, Lower, IncompleteLUT<T> > minres_colmajor_ilut;
21 //minres<SparseMatrix<T>, SSORPreconditioner<T> > minres_colmajor_ssor;
22
23
24 // CALL_SUBTEST( check_sparse_square_solving(minres_colmajor_diag) );
25 // CALL_SUBTEST( check_sparse_square_solving(minres_colmajor_ilut) );
26 //CALL_SUBTEST( check_sparse_square_solving(minres_colmajor_ssor) );
27
28 // Diagonal preconditioner
29 MINRES<SparseMatrix<T>, Lower, DiagonalPreconditioner<T> > minres_colmajor_lower_diag;
30 MINRES<SparseMatrix<T>, Upper, DiagonalPreconditioner<T> > minres_colmajor_upper_diag;
31 MINRES<SparseMatrix<T>, Upper|Lower, DiagonalPreconditioner<T> > minres_colmajor_uplo_diag;
32
33 // call tests for SPD matrix
34 CALL_SUBTEST( check_sparse_spd_solving(minres_colmajor_lower_I) );
35 CALL_SUBTEST( check_sparse_spd_solving(minres_colmajor_upper_I) );
36
37 CALL_SUBTEST( check_sparse_spd_solving(minres_colmajor_lower_diag) );
38 CALL_SUBTEST( check_sparse_spd_solving(minres_colmajor_upper_diag) );
39 // CALL_SUBTEST( check_sparse_spd_solving(minres_colmajor_uplo_diag) );
40
41 // TO DO: symmetric semi-definite matrix
42 // TO DO: symmetric indefinite matrix
43 }
44
test_minres()45 void test_minres()
46 {
47 CALL_SUBTEST_1(test_minres_T<double>());
48 // CALL_SUBTEST_2(test_minres_T<std::complex<double> >());
49 }
50