opm-simulators/tests/test_solvetransposed3x3.cpp
2021-12-01 11:47:44 +01:00

46 lines
1.5 KiB
C++

/*
Copyright 2021 Equinor ASA
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OPM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#define BOOST_TEST_MODULE SolveTransposed3x3
#include <boost/test/unit_test.hpp>
#include <boost/test/floating_point_comparison.hpp>
#include <dune/istl/bcrsmatrix.hh>
#include <opm/simulators/linalg/bda/CPR.hpp>
BOOST_AUTO_TEST_CASE(testsolvetransposed3x3)
{
std::vector<double> A = {-0.0973322, 1.18758e-08, -0.000185231,
0.125114, 1.24919e-11, 0,
-11.3854, 1.32995e-06, 0.065447};
std::vector<double> b = {0, 1, 0};
std::vector<double> x(3);
std::vector<double> x_expected = {63886256.67, 66154278, 180813.715};
Opm::Accelerator::solve_transposed_3x3(A.data(), b.data(), x.data());
for (unsigned i = 0; i < 3; ++i) {
BOOST_CHECK_CLOSE(x[i], x_expected[i], 1e-6);
}
}