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115 lines
3.8 KiB
C++
115 lines
3.8 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_cf_coarsen_support.cc
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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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#include <Grid.h>
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using namespace std;
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using namespace Grid;
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using namespace Grid::QCD;
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template<class d>
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struct scal {
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d internal;
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};
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Gamma::GammaMatrix Gmu [] = {
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Gamma::GammaX,
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Gamma::GammaY,
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Gamma::GammaZ,
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Gamma::GammaT
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};
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int main (int argc, char ** argv)
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{
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Grid_init(&argc,&argv);
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const int Ls=9;
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GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplex::Nsimd()),GridDefaultMpi());
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GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
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GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
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GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
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std::vector<int> seeds4({1,2,3,4});
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std::vector<int> seeds5({5,6,7,8});
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GridParallelRNG RNG5(FGrid); RNG5.SeedFixedIntegers(seeds5);
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GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
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LatticeFermion src(FGrid); random(RNG5,src);
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LatticeFermion result(FGrid); result=zero;
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LatticeFermion ref(FGrid); ref=zero;
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LatticeFermion tmp(FGrid);
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LatticeFermion err(FGrid);
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LatticeGaugeField Umu(UGrid); random(RNG4,Umu);
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std::vector<LatticeColourMatrix> U(4,UGrid);
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for(int mu=0;mu<Nd;mu++){
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U[mu] = PeekIndex<LorentzIndex>(Umu,mu);
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}
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RealD mass=0.1;
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RealD M5=1.8;
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{
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OverlapWilsonContFracTanhFermionR Dcf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,1.0);
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HermitianLinearOperator<OverlapWilsonContFracTanhFermionR,LatticeFermion> HermIndefOp(Dcf);
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HermIndefOp.Op(src,ref);
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HermIndefOp.OpDiag(src,result);
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for(int d=0;d<4;d++){
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HermIndefOp.OpDir(src,tmp,d,+1); result=result+tmp;
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std::cout<<GridLogMessage<<"dir "<<d<<" tmp "<<norm2(tmp)<<std::endl;
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HermIndefOp.OpDir(src,tmp,d,-1); result=result+tmp;
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std::cout<<GridLogMessage<<"dir "<<d<<" tmp "<<norm2(tmp)<<std::endl;
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}
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err = result-ref;
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std::cout<<GridLogMessage<<"Error "<<norm2(err)<<std::endl;
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}
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{
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OverlapWilsonPartialFractionTanhFermionR Dpf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,1.0);
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HermitianLinearOperator<OverlapWilsonPartialFractionTanhFermionR,LatticeFermion> HermIndefOp(Dpf);
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HermIndefOp.Op(src,ref);
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HermIndefOp.OpDiag(src,result);
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for(int d=0;d<4;d++){
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HermIndefOp.OpDir(src,tmp,d,+1); result=result+tmp;
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std::cout<<GridLogMessage<<"dir "<<d<<" tmp "<<norm2(tmp)<<std::endl;
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HermIndefOp.OpDir(src,tmp,d,-1); result=result+tmp;
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std::cout<<GridLogMessage<<"dir "<<d<<" tmp "<<norm2(tmp)<<std::endl;
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}
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err = result-ref;
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std::cout<<GridLogMessage<<"Error "<<norm2(err)<<std::endl;
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}
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Grid_finalize();
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}
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