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muSpectre/tests/test_projection.hh
1fe880c12733bugfix/T2542

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test_projection.hh
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/**
* @file test_projection.hh
*
* @author Till Junge <till.junge@altermail.ch>
*
* @date 16 Jan 2018
*
* @brief common declarations for testing both the small and finite strain
* projection operators
*
* Copyright © 2018 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 "tests.hh"
#include "fft/fftw_engine.hh"
#include <boost/mpl/list.hpp>
#include <Eigen/Dense>
namespace muSpectre {
/* ---------------------------------------------------------------------- */
template <Dim_t DimS>
struct Sizes {
};
template<>
struct Sizes<twoD> {
constexpr static Ccoord_t<twoD> get_resolution() {
return Ccoord_t<twoD>{3, 5};}
constexpr static Rcoord_t<twoD> get_lengths() {
return Rcoord_t<twoD>{3.4, 5.8};}
};
template<>
struct Sizes<threeD> {
constexpr static Ccoord_t<threeD> get_resolution() {
return Ccoord_t<threeD>{3, 5, 7};}
constexpr static Rcoord_t<threeD> get_lengths() {
return Rcoord_t<threeD>{3.4, 5.8, 6.7};}
};
template <Dim_t DimS>
struct Squares {
};
template<>
struct Squares<twoD> {
constexpr static Ccoord_t<twoD> get_resolution() {
return Ccoord_t<twoD>{5, 5};}
constexpr static Rcoord_t<twoD> get_lengths() {
return Rcoord_t<twoD>{5, 5};}
};
template<>
struct Squares<threeD> {
constexpr static Ccoord_t<threeD> get_resolution() {
return Ccoord_t<threeD>{7, 7, 7};}
constexpr static Rcoord_t<threeD> get_lengths() {
return Rcoord_t<threeD>{7, 7, 7};}
};
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM, class SizeGiver, class Proj>
struct ProjectionFixture {
using Engine = FFTW_Engine<DimS, DimM>;
using Parent = Proj;
constexpr static Dim_t sdim{DimS};
constexpr static Dim_t mdim{DimM};
ProjectionFixture()
:projector(std::make_unique<Engine>(SizeGiver::get_resolution(),
SizeGiver::get_lengths())){}
Parent projector;
};
} // muSpectre
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