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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 //
6 // This Source Code Form is subject to the terms of the Mozilla
7 // Public License v. 2.0. If a copy of the MPL was not distributed
8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 
10 #include "sparse_solver.h"
11 #include <Eigen/IterativeLinearSolvers>
12 
test_conjugate_gradient_T()13 template<typename T> void test_conjugate_gradient_T()
14 {
15   ConjugateGradient<SparseMatrix<T>, Lower      > cg_colmajor_lower_diag;
16   ConjugateGradient<SparseMatrix<T>, Upper      > cg_colmajor_upper_diag;
17   ConjugateGradient<SparseMatrix<T>, Lower|Upper> cg_colmajor_loup_diag;
18   ConjugateGradient<SparseMatrix<T>, Lower, IdentityPreconditioner> cg_colmajor_lower_I;
19   ConjugateGradient<SparseMatrix<T>, Upper, IdentityPreconditioner> cg_colmajor_upper_I;
20 
21   CALL_SUBTEST( check_sparse_spd_solving(cg_colmajor_lower_diag)  );
22   CALL_SUBTEST( check_sparse_spd_solving(cg_colmajor_upper_diag)  );
23   CALL_SUBTEST( check_sparse_spd_solving(cg_colmajor_loup_diag)   );
24   CALL_SUBTEST( check_sparse_spd_solving(cg_colmajor_lower_I)     );
25   CALL_SUBTEST( check_sparse_spd_solving(cg_colmajor_upper_I)     );
26 }
27 
test_conjugate_gradient()28 void test_conjugate_gradient()
29 {
30   CALL_SUBTEST_1(test_conjugate_gradient_T<double>());
31   CALL_SUBTEST_2(test_conjugate_gradient_T<std::complex<double> >());
32 }
33