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Must obtain and access lattice indexing through a view object that is safe to copy construct in copy to GPU (without copying the lattice).
81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/lattice/Lattice_unary.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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Author: paboyle <paboyle@ph.ed.ac.uk>
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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_UNARY_H
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#define GRID_LATTICE_UNARY_H
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NAMESPACE_BEGIN(Grid);
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template<class obj> Lattice<obj> pow(const Lattice<obj> &rhs_i,RealD y){
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Lattice<obj> ret_i(rhs_i.Grid());
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auto rhs = rhs_i.View();
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auto ret = ret_i.View();
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ret.Checkerboard() = rhs.Checkerboard();
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accelerator_loop(ss,rhs,{
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ret[ss]=pow(rhs[ss],y);
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});
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return ret_i;
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}
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template<class obj> Lattice<obj> mod(const Lattice<obj> &rhs_i,Integer y){
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Lattice<obj> ret_i(rhs_i.Grid());
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auto rhs = rhs_i.View();
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auto ret = ret_i.View();
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ret.Checkerboard() = rhs.Checkerboard();
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accelerator_loop(ss,rhs,{
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ret[ss]=mod(rhs[ss],y);
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});
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return ret_i;
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}
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template<class obj> Lattice<obj> div(const Lattice<obj> &rhs_i,Integer y){
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Lattice<obj> ret_i(rhs_i.Grid());
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auto ret = ret_i.View();
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auto rhs = rhs_i.View();
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ret.Checkerboard() = rhs_i.Checkerboard();
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accelerator_loop(ss,rhs,{
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ret[ss]=div(rhs[ss],y);
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});
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return ret_i;
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}
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template<class obj> Lattice<obj> expMat(const Lattice<obj> &rhs_i, RealD alpha, Integer Nexp = DEFAULT_MAT_EXP){
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Lattice<obj> ret_i(rhs_i.Grid());
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auto rhs = rhs_i.View();
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auto ret = ret_i.View();
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ret.Checkerboard() = rhs.Checkerboard();
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accelerator_loop(ss,rhs,{
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ret[ss]=Exponentiate(rhs[ss],alpha, Nexp);
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});
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return ret_i;
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}
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NAMESPACE_END(Grid);
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#endif
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