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tamaas/src/fftransform.cpp
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fftransform.cpp
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/**
*
* @author Lucas Frérot <lucas.frerot@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 "fftransform.hh"
__BEGIN_TAMAAS__
template<typename T>
FFTransform<T>::FFTransform(UInt size,
Surface<T> & real,
SurfaceComplex<T> & spectral):
real(real),
spectral(spectral),
size(size),
reduced_size(size / 2 + 1)
{}
/* -------------------------------------------------------------------------- */
template<typename T>
FFTransform<T>::~FFTransform() {}
/* -------------------------------------------------------------------------- */
template<typename T>
void FFTransform<T>::normalize() {
#pragma omp parallel for
for (UInt i = 0 ; i < size * size ; ++i)
real(i) /= size * size;
}
/* -------------------------------------------------------------------------- */
template class FFTransform<Real>;
__END_TAMAAS__
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