/************************************************************************************* Grid physics library, www.github.com/paboyle/Grid Source file: ./lib/lattice/Lattice_local.h Copyright (C) 2015 Author: Peter Boyle This program 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 2 of the License, or (at your option) any later version. This program 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 this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. See the full license in the file "LICENSE" in the top level distribution directory *************************************************************************************/ /* END LEGAL */ #ifndef GRID_LATTICE_LOCALREDUCTION_H #define GRID_LATTICE_LOCALREDUCTION_H /////////////////////////////////////////////// // localInner, localNorm, outerProduct /////////////////////////////////////////////// NAMESPACE_BEGIN(Grid); ///////////////////////////////////////////////////// // Non site, reduced locally reduced routines ///////////////////////////////////////////////////// // localNorm2, template inline auto localNorm2 (const Lattice &rhs)-> Lattice { Lattice ret(rhs.Grid()); accelerator_loop(ss,rhs,{ ret[ss]=innerProduct(rhs[ss],rhs[ss]); }); return ret; } // localInnerProduct template inline auto localInnerProduct (const Lattice &lhs,const Lattice &rhs) -> Lattice { Lattice ret(rhs.Grid()); accelerator_loop(ss,rhs,{ ret[ss]=innerProduct(lhs[ss],rhs[ss]); }); return ret; } // outerProduct Scalar x Scalar -> Scalar // Vector x Vector -> Matrix template inline auto outerProduct (const Lattice &lhs,const Lattice &rhs) -> Lattice { Lattice ret(rhs.Grid()); accelerator_loop(ss,rhs,{ ret[ss]=outerProduct(lhs[ss],rhs[ss]); }); return ret; } NAMESPACE_END(Grid); #endif