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tamaas/src/core/fft_engine.cpp
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fft_engine.cpp
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/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-2020 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "fft_engine.hh"
#include "fftw_engine.hh"
#include "fftw_mpi_engine.hh"
#include "mpi_interface.hh"
/* -------------------------------------------------------------------------- */
namespace tamaas {
std::unique_ptr<FFTEngine> FFTEngine::makeEngine(unsigned int flags) {
#ifdef TAMAAS_USE_MPI
if (mpi::size() != 1) {
Logger().get(LogLevel::debug) << "Instanciated FFTWMPIEngine\n";
return std::make_unique<FFTWMPIEngine>(flags);
}
else {
Logger().get(LogLevel::debug) << "Instanciated FFTWEngine\n";
return std::make_unique<FFTWEngine>(flags);
}
#else
Logger().get(LogLevel::debug) << "Instanciated FFTWEngine\n";
return std::make_unique<FFTWEngine>(flags);
#endif
}
} // namespace tamaas
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