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fft_engine_base.cc
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Wed, Nov 6, 23:33

fft_engine_base.cc
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/**
* file fft_engine_base.cc
*
* @author Till Junge <till.junge@altermail.ch>
*
* @date 03 Dec 2017
*
* @brief implementation for FFT engine base class
*
* @section LICENCE
*
* Copyright © 2017 Till Junge
*
* µSpectre is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 3, or (at
* your option) any later version.
*
* µSpectre 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Emacs; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "fft/fft_engine_base.hh"
namespace muSpectre {
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM>
FFT_Engine_base<DimS, DimM>::FFT_Engine_base(Ccoord resolutions, Rcoord lengths)
:resolutions{resolutions}, lengths{lengths},
work{make_field<Workspace_t>("work space", work_space_container)},
norm_factor{1./CcoordOps::get_size(resolutions)}
{}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM>
void FFT_Engine_base<DimS, DimM>::initialise(FFT_PlanFlags /*plan_flags*/) {
this->work_space_container.initialise();
}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM>
size_t FFT_Engine_base<DimS, DimM>::size() const {
return CcoordOps::get_size(this->resolutions);
}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM>
size_t FFT_Engine_base<DimS, DimM>::workspace_size() const {
return this->work_space_container.size();
}
template class FFT_Engine_base<twoD, twoD>;
template class FFT_Engine_base<twoD, threeD>;
template class FFT_Engine_base<threeD, threeD>;
} // muSpectre

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