/*
* Copyright 2009-2020 The VOTCA Development Team (http://www.votca.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#define BOOST_TEST_MAIN
#define BOOST_TEST_MODULE CudaMatrix_test
// Standard includes
#include <string>
// Third party includes
#include <boost/test/unit_test.hpp>
// Local VOTCA includes
#include "votca/xtp/cudapipeline.h"
#include "votca/xtp/eigen.h"
using namespace votca::xtp;
BOOST_AUTO_TEST_SUITE(CudaMatrix_test)
BOOST_AUTO_TEST_CASE(create_cudamatrix) {
// Call the class to handle GPU resources
CudaPipeline cp(0);
// Call matrix multiplication GPU
Eigen::MatrixXd A = Eigen::MatrixXd::Zero(2, 2);
Eigen::MatrixXd B = Eigen::MatrixXd::Zero(3, 2);
Eigen::MatrixXd X = Eigen::MatrixXd::Zero(3, 2);
// Define matrices
A << 1., 2., 3., 4.;
B << 5., 6., 7., 8., 9., 10.;
X << 23., 34., 31., 46., 39., 58.;
// Copy matrix back and for to the GPU
CudaMatrix cumatrix{B, cp.get_stream()};
Eigen::MatrixXd tmp = cumatrix;
Eigen::MatrixXd result = tmp * A;
// Expected results
BOOST_TEST(X.isApprox(result));
}
BOOST_AUTO_TEST_SUITE_END()