mirror of
https://github.com/paboyle/Grid.git
synced 2024-09-21 01:25:48 +01:00
122 lines
4.6 KiB
C++
122 lines
4.6 KiB
C++
#ifndef GRID_QCD_DWF_H
|
|
#define GRID_QCD_DWF_H
|
|
|
|
namespace Grid {
|
|
|
|
namespace QCD {
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// This is the 4d red black case appropriate to support
|
|
//
|
|
// parity = (x+y+z+t)|2;
|
|
// generalised five dim fermions like mobius, zolotarev etc..
|
|
//
|
|
// i.e. even even contains fifth dim hopping term.
|
|
//
|
|
// [DIFFERS from original CPS red black implementation parity = (x+y+z+t+s)|2 ]
|
|
////////////////////////////
|
|
//ContFrac:
|
|
// Ls always odd. Rational poly deg is either Ls or Ls-1
|
|
//PartFrac
|
|
// Ls always odd. Rational poly deg is either Ls or Ls-1
|
|
//
|
|
//Cayley: Ls always even, Rational poly deg is Ls
|
|
//
|
|
// Just set nrational as Ls. Forget about Ls-1 cases.
|
|
//
|
|
// Require odd Ls for cont and part frac
|
|
////////////////////////////
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
class WilsonFermion5D : public FermionOperator<LatticeFermion,LatticeGaugeField>
|
|
{
|
|
public:
|
|
///////////////////////////////////////////////////////////////
|
|
// Implement the abstract base
|
|
///////////////////////////////////////////////////////////////
|
|
GridBase *GaugeGrid(void) { return _FourDimGrid ;}
|
|
GridBase *GaugeRedBlackGrid(void) { return _FourDimRedBlackGrid ;}
|
|
GridBase *FermionGrid(void) { return _FiveDimGrid;}
|
|
GridBase *FermionRedBlackGrid(void) { return _FiveDimRedBlackGrid;}
|
|
|
|
// full checkerboard operations; leave unimplemented as abstract for now
|
|
//virtual RealD M (const LatticeFermion &in, LatticeFermion &out)=0;
|
|
//virtual RealD Mdag (const LatticeFermion &in, LatticeFermion &out)=0;
|
|
|
|
// half checkerboard operations; leave unimplemented as abstract for now
|
|
// virtual void Meooe (const LatticeFermion &in, LatticeFermion &out)=0;
|
|
// virtual void MeooeDag (const LatticeFermion &in, LatticeFermion &out)=0;
|
|
// virtual void Mooee (const LatticeFermion &in, LatticeFermion &out)=0;
|
|
// virtual void MooeeDag (const LatticeFermion &in, LatticeFermion &out)=0;
|
|
// virtual void MooeeInv (const LatticeFermion &in, LatticeFermion &out)=0;
|
|
// virtual void MooeeInvDag (const LatticeFermion &in, LatticeFermion &out)=0;
|
|
|
|
// Implement hopping term non-hermitian hopping term; half cb or both
|
|
// Implement s-diagonal DW
|
|
void DW (const LatticeFermion &in, LatticeFermion &out,int dag);
|
|
void Dhop (const LatticeFermion &in, LatticeFermion &out,int dag);
|
|
void DhopOE(const LatticeFermion &in, LatticeFermion &out,int dag);
|
|
void DhopEO(const LatticeFermion &in, LatticeFermion &out,int dag);
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// New methods added
|
|
///////////////////////////////////////////////////////////////
|
|
void DhopInternal(CartesianStencil & st,
|
|
LebesgueOrder &lo,
|
|
LatticeDoubledGaugeField &U,
|
|
const LatticeFermion &in,
|
|
LatticeFermion &out,
|
|
int dag);
|
|
|
|
// Constructors
|
|
WilsonFermion5D(LatticeGaugeField &_Umu,
|
|
GridCartesian &FiveDimGrid,
|
|
GridRedBlackCartesian &FiveDimRedBlackGrid,
|
|
GridCartesian &FourDimGrid,
|
|
GridRedBlackCartesian &FourDimRedBlackGrid,
|
|
double _M5);
|
|
|
|
// DoubleStore
|
|
void DoubleStore(LatticeDoubledGaugeField &Uds,const LatticeGaugeField &Umu);
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
// Data members require to support the functionality
|
|
///////////////////////////////////////////////////////////////
|
|
static int HandOptDslash; // these are a temporary hack
|
|
|
|
protected:
|
|
|
|
// Add these to the support from Wilson
|
|
GridBase *_FourDimGrid;
|
|
GridBase *_FourDimRedBlackGrid;
|
|
GridBase *_FiveDimGrid;
|
|
GridBase *_FiveDimRedBlackGrid;
|
|
|
|
static const int npoint=8;
|
|
static const std::vector<int> directions ;
|
|
static const std::vector<int> displacements;
|
|
|
|
double M5;
|
|
int Ls;
|
|
|
|
//Defines the stencils for even and odd
|
|
CartesianStencil Stencil;
|
|
CartesianStencil StencilEven;
|
|
CartesianStencil StencilOdd;
|
|
|
|
// Copy of the gauge field , with even and odd subsets
|
|
LatticeDoubledGaugeField Umu;
|
|
LatticeDoubledGaugeField UmuEven;
|
|
LatticeDoubledGaugeField UmuOdd;
|
|
|
|
LebesgueOrder Lebesgue;
|
|
LebesgueOrder LebesgueEvenOdd;
|
|
|
|
// Comms buffer
|
|
std::vector<vHalfSpinColourVector,alignedAllocator<vHalfSpinColourVector> > comm_buf;
|
|
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|