mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-11-24 10:10:18 -06:00
90 lines
3.2 KiB
C++
90 lines
3.2 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/version.hpp>
|
|
|
|
#if BOOST_VERSION / 100000 == 1 && BOOST_VERSION / 100 % 1000 < 71
|
|
#include <boost/test/floating_point_comparison.hpp>
|
|
#else
|
|
#include <boost/test/tools/floating_point_comparison.hpp>
|
|
#endif
|
|
|
|
#include <dune/istl/bcrsmatrix.hh>
|
|
|
|
#include <opm/simulators/linalg/bda/opencl/openclCPR.hpp>
|
|
#include <opm/simulators/linalg/bda/Misc.hpp>
|
|
|
|
BOOST_AUTO_TEST_CASE(testsolvetransposed3x3)
|
|
{
|
|
const unsigned numTests = 3;
|
|
const unsigned blockSize = 3;
|
|
|
|
std::vector<std::vector<double> > A = {{4, 2, 1,
|
|
3, 4, 2,
|
|
2, 4, 3},
|
|
{1, 2, 4,
|
|
1, 3, 2,
|
|
2, 4, 2},
|
|
{1, 2, 2,
|
|
1, 3, 5,
|
|
3, 2, 4}};
|
|
|
|
std::vector<std::vector<double> > b = {{0, 1, 0},
|
|
{1, 3, 5},
|
|
{2, 4, 5}};
|
|
|
|
std::vector<std::vector<double> > x_expected = {{-0.5, 1, -0.5},
|
|
{ 1, 1, -0.5},
|
|
{ 1.3, 0.4, 0.1}};
|
|
|
|
for (unsigned testId = 0; testId < numTests; ++testId) {
|
|
std::vector<double> x(blockSize);
|
|
Opm::Accelerator::solve_transposed_3x3(A[testId].data(), b[testId].data(), x.data());
|
|
|
|
for (unsigned i = 0; i < blockSize; ++i) {
|
|
BOOST_CHECK_CLOSE(x[i], x_expected[testId][i], 1e-6);
|
|
}
|
|
}
|
|
|
|
// retest cases using Dune methods
|
|
using Mat3 = Dune::FieldMatrix<double, 3, 3>;
|
|
using Vec3 = Dune::FieldVector<double, 3>;
|
|
for (unsigned testId = 0; testId < numTests; ++testId) {
|
|
Mat3 a3 = {{ A[testId][0], A[testId][1], A[testId][2] },
|
|
{ A[testId][3], A[testId][4], A[testId][5] },
|
|
{ A[testId][6], A[testId][7], A[testId][8] } };
|
|
Vec3 y({b[testId][0], b[testId][1], b[testId][2]});
|
|
Mat3 b3 = a3;
|
|
|
|
// b3 = inv(a3^T)
|
|
Dune::FMatrixHelp::invertMatrix_retTransposed(a3, b3);
|
|
|
|
// x = b3 * y
|
|
Vec3 x = Dune::FMatrixHelp::mult(b3, y);
|
|
|
|
for (unsigned i = 0; i < blockSize; ++i) {
|
|
BOOST_CHECK_CLOSE(x[i], x_expected[testId][i], 1e-6);
|
|
}
|
|
}
|
|
}
|