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Conjugate residual algorithm; some more unary functions

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Peter Boyle
2015-06-08 12:04:59 +01:00
parent 0cf2037ae1
commit d6f1ddf99c
38 changed files with 1116 additions and 79 deletions
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tests/Test_cf_coarsen_support.cc Normal file
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#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=9;
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;
LatticeFermion ref(FGrid); ref=zero;
LatticeFermion tmp(FGrid);
LatticeFermion err(FGrid);
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;
{
OverlapWilsonContFracTanhFermion Dcf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,1.0);
HermitianLinearOperator<OverlapWilsonContFracTanhFermion,LatticeFermion> HermIndefOp(Dcf);
HermIndefOp.Op(src,ref);
HermIndefOp.OpDiag(src,result);
for(int d=0;d<4;d++){
HermIndefOp.OpDir(src,tmp,d,+1); result=result+tmp;
std::cout<<"dir "<<d<<" tmp "<<norm2(tmp)<<std::endl;
HermIndefOp.OpDir(src,tmp,d,-1); result=result+tmp;
std::cout<<"dir "<<d<<" tmp "<<norm2(tmp)<<std::endl;
}
err = result-ref;
std::cout<<"Error "<<norm2(err)<<std::endl;
}
{
OverlapWilsonPartialFractionTanhFermion Dpf(Umu,*FGrid,*FrbGrid,*UGrid,*UrbGrid,mass,M5,1.0);
HermitianLinearOperator<OverlapWilsonPartialFractionTanhFermion,LatticeFermion> HermIndefOp(Dpf);
HermIndefOp.Op(src,ref);
HermIndefOp.OpDiag(src,result);
for(int d=0;d<4;d++){
HermIndefOp.OpDir(src,tmp,d,+1); result=result+tmp;
std::cout<<"dir "<<d<<" tmp "<<norm2(tmp)<<std::endl;
HermIndefOp.OpDir(src,tmp,d,-1); result=result+tmp;
std::cout<<"dir "<<d<<" tmp "<<norm2(tmp)<<std::endl;
}
err = result-ref;
std::cout<<"Error "<<norm2(err)<<std::endl;
}
Grid_finalize();
}