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74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/lattice/Lattice_coordinate.h
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Copyright (C) 2015
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Author: Peter Boyle <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_COORDINATE_H
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#define GRID_LATTICE_COORDINATE_H
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NAMESPACE_BEGIN(Grid);
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template<class iobj> inline void LatticeCoordinate(Lattice<iobj> &l,int mu)
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{
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typedef typename iobj::scalar_type scalar_type;
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typedef typename iobj::vector_type vector_type;
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GridBase *grid = l.Grid();
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int Nsimd = grid->iSites();
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std::vector<int> gcoor;
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std::vector<scalar_type> mergebuf(Nsimd);
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vector_type vI;
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for(int o=0;o<grid->oSites();o++){
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for(int i=0;i<grid->iSites();i++){
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grid->RankIndexToGlobalCoor(grid->ThisRank(),o,i,gcoor);
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mergebuf[i]=(Integer)gcoor[mu];
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}
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merge<vector_type,scalar_type>(vI,mergebuf);
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l[o]=vI;
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}
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};
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// LatticeCoordinate();
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// FIXME for debug; deprecate this; made obscelete by
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template<class vobj> void lex_sites(Lattice<vobj> &l){
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Real *v_ptr = (Real *)&l[0];
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size_t o_len = l.Grid()->oSites();
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size_t v_len = sizeof(vobj)/sizeof(vRealF);
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size_t vec_len = vRealF::Nsimd();
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for(int i=0;i<o_len;i++){
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for(int j=0;j<v_len;j++){
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for(int vv=0;vv<vec_len;vv+=2){
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v_ptr[i*v_len*vec_len+j*vec_len+vv ]= i+vv*500;
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v_ptr[i*v_len*vec_len+j*vec_len+vv+1]= i+vv*500;
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}
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}}
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}
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NAMESPACE_END(Grid);
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#endif
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