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117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/lattice/Lattice_reality.h
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Copyright (C) 2015
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Author: Azusa Yamaguchi <ayamaguc@staffmail.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: neo <cossu@post.kek.jp>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef GRID_LATTICE_REALITY_H
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#define GRID_LATTICE_REALITY_H
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// FIXME .. this is the sector of the code
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// I am most worried about the directions
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// The choice of burying complex in the SIMD
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// is making the use of "real" and "imag" very cumbersome
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NAMESPACE_BEGIN(Grid);
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template<class vobj> inline Lattice<vobj> adj(const Lattice<vobj> &lhs){
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Lattice<vobj> ret(lhs.Grid());
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autoView( lhs_v, lhs, AcceleratorRead);
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autoView( ret_v, ret, AcceleratorWrite);
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ret.Checkerboard()=lhs.Checkerboard();
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accelerator_for( ss, lhs_v.size(), 1, {
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ret_v[ss] = adj(lhs_v[ss]);
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});
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return ret;
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};
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template<class vobj> inline Lattice<vobj> conjugate(const Lattice<vobj> &lhs){
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Lattice<vobj> ret(lhs.Grid());
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autoView( lhs_v, lhs, AcceleratorRead);
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autoView( ret_v, ret, AcceleratorWrite);
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ret.Checkerboard() = lhs.Checkerboard();
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accelerator_for( ss, lhs_v.size(), vobj::Nsimd(), {
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coalescedWrite( ret_v[ss] , conjugate(lhs_v(ss)));
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});
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return ret;
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};
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template<class vobj> inline Lattice<typename vobj::Complexified> toComplex(const Lattice<vobj> &lhs){
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Lattice<typename vobj::Complexified> ret(lhs.Grid());
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autoView( lhs_v, lhs, AcceleratorRead);
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autoView( ret_v, ret, AcceleratorWrite);
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ret.Checkerboard() = lhs.Checkerboard();
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accelerator_for( ss, lhs_v.size(), 1, {
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ret_v[ss] = toComplex(lhs_v[ss]);
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});
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return ret;
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};
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template<class vobj> inline Lattice<typename vobj::Realified> toReal(const Lattice<vobj> &lhs){
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Lattice<typename vobj::Realified> ret(lhs.Grid());
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autoView( lhs_v, lhs, AcceleratorRead);
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autoView( ret_v, ret, AcceleratorWrite);
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ret.Checkerboard() = lhs.Checkerboard();
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accelerator_for( ss, lhs_v.size(), 1, {
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ret_v[ss] = toReal(lhs_v[ss]);
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});
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return ret;
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};
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template<class Expression,typename std::enable_if<is_lattice_expr<Expression>::value,void>::type * = nullptr>
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auto toComplex(const Expression &expr) -> decltype(closure(expr))
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{
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return toComplex(closure(expr));
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}
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template<class Expression,typename std::enable_if<is_lattice_expr<Expression>::value,void>::type * = nullptr>
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auto toReal(const Expression &expr) -> decltype(closure(expr))
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{
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return toReal(closure(expr));
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}
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template<class Expression,typename std::enable_if<is_lattice_expr<Expression>::value,void>::type * = nullptr>
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auto adj(const Expression &expr) -> decltype(closure(expr))
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{
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return adj(closure(expr));
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}
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template<class Expression,typename std::enable_if<is_lattice_expr<Expression>::value,void>::type * = nullptr>
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auto conjugate(const Expression &expr) -> decltype(closure(expr))
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{
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return conjugate(closure(expr));
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}
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NAMESPACE_END(Grid);
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#endif
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