COSC-4P80-Assignment-2/lib/eigen-3.4.0/test/bicgstab.cpp

35 lines
1.4 KiB
C++

// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2011 Gael Guennebaud <g.gael@free.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include "sparse_solver.h"
#include <Eigen/IterativeLinearSolvers>
template<typename T, typename I_> void test_bicgstab_T()
{
BiCGSTAB<SparseMatrix<T,0,I_>, DiagonalPreconditioner<T> > bicgstab_colmajor_diag;
BiCGSTAB<SparseMatrix<T,0,I_>, IdentityPreconditioner > bicgstab_colmajor_I;
BiCGSTAB<SparseMatrix<T,0,I_>, IncompleteLUT<T,I_> > bicgstab_colmajor_ilut;
//BiCGSTAB<SparseMatrix<T>, SSORPreconditioner<T> > bicgstab_colmajor_ssor;
bicgstab_colmajor_diag.setTolerance(NumTraits<T>::epsilon()*4);
bicgstab_colmajor_ilut.setTolerance(NumTraits<T>::epsilon()*4);
CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_diag) );
// CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_I) );
CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_ilut) );
//CALL_SUBTEST( check_sparse_square_solving(bicgstab_colmajor_ssor) );
}
EIGEN_DECLARE_TEST(bicgstab)
{
CALL_SUBTEST_1((test_bicgstab_T<double,int>()) );
CALL_SUBTEST_2((test_bicgstab_T<std::complex<double>, int>()));
CALL_SUBTEST_3((test_bicgstab_T<double,long int>()));
}