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fft_engine.cpp
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Sat, Nov 16, 02:57

fft_engine.cpp
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/*
* SPDX-License-Indentifier: AGPL-3.0-or-later
*
* Copyright (©) 2016-2021 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"
#if TAMAAS_USE_CUDA
#include "cuda/cufft_engine.hh"
#else
#include "fftw/fftw_engine.hh"
#ifdef TAMAAS_USE_MPI
#include "fftw/mpi/fftw_mpi_engine.hh"
#include "mpi_interface.hh"
#endif
#endif
/* -------------------------------------------------------------------------- */
namespace tamaas {
std::unique_ptr<FFTEngine> FFTEngine::makeEngine(unsigned int flags) {
#define inst(x) \
do { \
Logger().get(LogLevel::debug) << TAMAAS_DEBUG_MSG("[" #x "] Init"); \
return std::make_unique<x>(flags); \
} while (0)
#ifdef TAMAAS_USE_MPI
if (mpi::size() != 1)
inst(FFTWMPIEngine);
else
inst(FFTWEngine);
#elif TAMAAS_USE_CUDA
inst(CuFFTEngine);
#else
inst(FFTWEngine);
#endif
#undef inst
}
} // namespace tamaas

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