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tamaas/src/fft_plan_manager.cpp
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fft_plan_manager.cpp
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/**
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Tamaas is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Tamaas 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Tamaas. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "fft_plan_manager.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
/* -------------------------------------------------------------------------- */
FFTPlanManager::FFTPlanManager(){
}
/* -------------------------------------------------------------------------- */
FFTPlanManager::~FFTPlanManager(){
}
/* -------------------------------------------------------------------------- */
FFTPlanManager & FFTPlanManager::get(){
if (FFTPlanManager::singleton == NULL)
FFTPlanManager::singleton = new FFTPlanManager();
return *FFTPlanManager::singleton;
}
/* -------------------------------------------------------------------------- */
FFTransform<Real> & FFTPlanManager::createPlan(Surface<Real> & input,
SurfaceComplex<Real> & output){
auto index = std::make_pair(const_cast<Real*>(input.getInternalData()),
const_cast<complex*>(output.getInternalData()));
auto it = plans.find(index);
auto end = plans.end();
if (it == end){
plans[index] = new FFTransform<Real>(input.size(),input,output);
}
return *plans[index];
}
/* -------------------------------------------------------------------------- */
void FFTPlanManager::destroyPlan(Surface<Real> & input,
SurfaceComplex<Real> & output){
auto index = std::make_pair(const_cast<Real*>(input.getInternalData()),
const_cast<complex*>(output.getInternalData()));
auto it = plans.find(index);
auto end = plans.end();
if (it != end){
delete (plans[index]);
plans.erase(index);
}
}
/* -------------------------------------------------------------------------- */
FFTPlanManager * FFTPlanManager::singleton = NULL;
/* -------------------------------------------------------------------------- */
__END_TAMAAS__
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