opm-simulators/tests/test_scalar_mult.cpp
2013-09-05 12:28:04 +02:00

68 lines
1.8 KiB
C++

/*
Copyright 2013 SINTEF ICT, Applied Mathematics.
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>
#if HAVE_DYNAMIC_BOOST_TEST
#define BOOST_TEST_DYN_LINK
#endif
#define BOOST_TEST_MODULE AutoDiffBlockTest
#include <opm/autodiff/AutoDiffBlock.hpp>
#include <boost/test/unit_test.hpp>
#include <Eigen/Eigen>
#include <Eigen/Sparse>
BOOST_AUTO_TEST_CASE(ScalarMultiplication)
{
typedef AutoDiff::ForwardBlock<double> ADB;
std::vector<int> blocksizes = { 3, 1, 2 };
ADB::V vx(3);
vx << 1.0, 2.0, 10.0;
enum { FirstVar = 0, SecondVar = 1, ThirdVar = 2 };
ADB x = ADB::variable(FirstVar, vx, blocksizes);
ADB::V const_vector(3);
const_vector << 3.14, 3.14, 3.14;
// std::cout << "const_vector:\n" << const_vector << std::endl;
const ADB x2 = x * const_vector;
const ADB x3 = const_vector * x;
BOOST_CHECK_EQUAL( x2.value().cwiseNotEqual( x3.value() ).count(), 0 );
// The new operator:
const ADB y2 = x * 3.14;
BOOST_CHECK_EQUAL( x2.value().cwiseNotEqual( y2.value() ).count(), 0 );
const ADB y3 = 3.14 * x;
BOOST_CHECK_EQUAL( x3.value().cwiseNotEqual( y3.value() ).count(), 0 );
}