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137 lines
4.4 KiB
C++
137 lines
4.4 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./tests/Test_dwf_even_odd.cc
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Copyright (C) 2015
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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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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#include <Grid/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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typedef WilsonFermion5D<DomainWallVec5dImplR> WilsonFermion5DR;
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typedef WilsonFermion5D<DomainWallVec5dImplF> WilsonFermion5DF;
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typedef WilsonFermion5D<DomainWallVec5dImplD> WilsonFermion5DD;
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typedef WilsonFermion5D<WilsonImplR> WilsonFermion5D_OKR;
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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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int threads = GridThread::GetThreads();
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std::cout<<GridLogMessage << "Grid is setup to use "<<threads<<" threads"<<std::endl;
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const int Ls=32;
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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 * sUGrid = SpaceTimeGrid::makeFourDimDWFGrid(GridDefaultLatt(),GridDefaultMpi());
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GridRedBlackCartesian * sUrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(sUGrid);
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GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimDWFGrid(Ls,UGrid);
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GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimDWFRedBlackGrid(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 RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
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GridParallelRNG RNG5(FGrid); RNG5.SeedFixedIntegers(seeds5);
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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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// Only one non-zero (y)
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/*
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Umu=zero;
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for(int nn=0;nn<Nd;nn++){
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random(RNG4,U[nn]);
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PokeIndex<LorentzIndex>(Umu,U[nn],nn);
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}
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*/
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RealD mass=0.1;
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RealD M5 =1.8;
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typename WilsonFermion5DR::ImplParams params;
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WilsonFermion5DR Dw(Umu,*FGrid,*FrbGrid,*sUGrid,*sUrbGrid,M5,params);
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Dw.Dhop(src,result,0);
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std::cout << "Norm src = "<<norm2(src)<<" Norm res = "<<norm2(result) << std::endl;
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GridCartesian * FokGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
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GridRedBlackCartesian * FokrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
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WilsonFermion5D_OKR Dok(Umu,*FokGrid,*FokrbGrid,*UGrid,*UrbGrid,M5,params);
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LatticeFermion src_ok (FokGrid);
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LatticeFermion ref_ok(FokGrid);
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LatticeFermion result_ok(FokGrid);
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for(int lidx=0;lidx<FGrid->lSites();lidx++){
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std::vector<int> lcoor;
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FGrid->LocalIndexToLocalCoor(lidx,lcoor);
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SpinColourVector siteSrc;
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peekLocalSite(siteSrc,src,lcoor);
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pokeLocalSite(siteSrc,src_ok,lcoor);
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peekLocalSite(siteSrc,result,lcoor);
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pokeLocalSite(siteSrc,result_ok,lcoor);
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}
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Dok.Dhop(src_ok,ref_ok,0);
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std::cout << "Reference = "<<norm2(src_ok)<<" res = "<<norm2(ref_ok) << std::endl;
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ref_ok = ref_ok - result_ok;
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std::cout << "Result = "<<norm2(result_ok)<< std::endl;
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std::cout << "Reference diff = "<<norm2(ref_ok)<< std::endl;
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Grid_finalize();
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}
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