mirror of
https://github.com/paboyle/Grid.git
synced 2024-11-14 01:35:36 +00:00
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
#include <Grid.h>
|
|
|
|
using namespace std;
|
|
using namespace Grid;
|
|
using namespace Grid::QCD;
|
|
|
|
template<class d>
|
|
struct scal {
|
|
d internal;
|
|
};
|
|
|
|
Gamma::GammaMatrix Gmu [] = {
|
|
Gamma::GammaX,
|
|
Gamma::GammaY,
|
|
Gamma::GammaZ,
|
|
Gamma::GammaT
|
|
};
|
|
|
|
int main (int argc, char ** argv)
|
|
{
|
|
Grid_init(&argc,&argv);
|
|
|
|
const int Ls=8;
|
|
|
|
GridCartesian * UGrid = SpaceTimeGrid::makeFourDimGrid(GridDefaultLatt(), GridDefaultSimd(Nd,vComplexF::Nsimd()),GridDefaultMpi());
|
|
GridRedBlackCartesian * UrbGrid = SpaceTimeGrid::makeFourDimRedBlackGrid(UGrid);
|
|
GridCartesian * FGrid = SpaceTimeGrid::makeFiveDimGrid(Ls,UGrid);
|
|
GridRedBlackCartesian * FrbGrid = SpaceTimeGrid::makeFiveDimRedBlackGrid(Ls,UGrid);
|
|
|
|
std::vector<int> seeds4({1,2,3,4});
|
|
std::vector<int> seeds5({5,6,7,8});
|
|
GridParallelRNG RNG5(FGrid); RNG5.SeedFixedIntegers(seeds5);
|
|
GridParallelRNG RNG4(UGrid); RNG4.SeedFixedIntegers(seeds4);
|
|
|
|
LatticeFermion src(FGrid); random(RNG5,src);
|
|
LatticeFermion result(FGrid); result=zero;
|
|
LatticeGaugeField Umu(UGrid); random(RNG4,Umu);
|
|
|
|
std::vector<LatticeColourMatrix> U(4,UGrid);
|
|
for(int mu=0;mu<Nd;mu++){
|
|
U[mu] = peekIndex<LorentzIndex>(Umu,mu);
|
|
}
|
|
|
|
RealD mass=0.1;
|
|
RealD M5=1.8;
|
|
DomainWallFermion Ddwf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5);
|
|
|
|
LatticeFermion src_o(FrbGrid);
|
|
LatticeFermion result_o(FrbGrid);
|
|
pickCheckerboard(Odd,src_o,src);
|
|
result_o=zero;
|
|
|
|
SchurDiagMooeeOperator<DomainWallFermion,LatticeFermion> HermOpEO(Ddwf);
|
|
ConjugateGradient<LatticeFermion> CG(1.0e-8,10000);
|
|
CG(HermOpEO,src_o,result_o);
|
|
|
|
Grid_finalize();
|
|
}
|