mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-20 17:25:37 +01:00
67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
#ifndef GRID_QCD_CONTINUED_FRACTION_H
|
|
#define GRID_QCD_CONTINUED_FRACTION_H
|
|
|
|
namespace Grid {
|
|
|
|
namespace QCD {
|
|
|
|
class ContinuedFractionFermion5D : public WilsonFermion5D
|
|
{
|
|
public:
|
|
|
|
// override multiply
|
|
virtual RealD M (const LatticeFermion &in, LatticeFermion &out);
|
|
virtual RealD Mdag (const LatticeFermion &in, LatticeFermion &out);
|
|
|
|
// half checkerboard operaions
|
|
virtual void Meooe (const LatticeFermion &in, LatticeFermion &out);
|
|
virtual void MeooeDag (const LatticeFermion &in, LatticeFermion &out);
|
|
virtual void Mooee (const LatticeFermion &in, LatticeFermion &out);
|
|
virtual void MooeeDag (const LatticeFermion &in, LatticeFermion &out);
|
|
virtual void MooeeInv (const LatticeFermion &in, LatticeFermion &out);
|
|
virtual void MooeeInvDag (const LatticeFermion &in, LatticeFermion &out);
|
|
|
|
// force terms; five routines; default to Dhop on diagonal
|
|
virtual void MDeriv (LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
|
|
virtual void MoeDeriv(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
|
|
virtual void MeoDeriv(LatticeGaugeField &mat,const LatticeFermion &U,const LatticeFermion &V,int dag);
|
|
|
|
// virtual void Instantiatable(void)=0;
|
|
virtual void Instantiatable(void) =0;
|
|
|
|
// Efficient support for multigrid coarsening
|
|
virtual void Mdir (const LatticeFermion &in, LatticeFermion &out,int dir,int disp);
|
|
|
|
// Constructors
|
|
ContinuedFractionFermion5D(LatticeGaugeField &_Umu,
|
|
GridCartesian &FiveDimGrid,
|
|
GridRedBlackCartesian &FiveDimRedBlackGrid,
|
|
GridCartesian &FourDimGrid,
|
|
GridRedBlackCartesian &FourDimRedBlackGrid,
|
|
RealD _mass,RealD M5);
|
|
|
|
protected:
|
|
|
|
void SetCoefficientsTanh(Approx::zolotarev_data *zdata,RealD scale);
|
|
void SetCoefficientsZolotarev(RealD zolo_hi,Approx::zolotarev_data *zdata);;
|
|
|
|
// Cont frac
|
|
RealD dw_diag;
|
|
RealD mass;
|
|
RealD R;
|
|
RealD ZoloHiInv;
|
|
std::vector<double> Beta;
|
|
std::vector<double> cc;;
|
|
std::vector<double> cc_d;;
|
|
std::vector<double> sqrt_cc;
|
|
std::vector<double> See;
|
|
std::vector<double> Aee;
|
|
|
|
};
|
|
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|