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a842a6c94d
Moving param structs into a single header for later connection to file I/O using macromagic.h
76 lines
3.7 KiB
C++
76 lines
3.7 KiB
C++
#ifndef GRID_QCD_FERMION_OPERATOR_H
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#define GRID_QCD_FERMION_OPERATOR_H
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namespace Grid {
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namespace QCD {
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////////////////////////////////////////////////////////////////
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// Allow to select between gauge representation rank bc's, flavours etc.
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// and single/double precision.
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////////////////////////////////////////////////////////////////
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template<class Impl>
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class FermionOperator : public CheckerBoardedSparseMatrixBase<typename Impl::FermionField>, public Impl
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{
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public:
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INHERIT_IMPL_TYPES(Impl);
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FermionOperator(const ImplParams &p= ImplParams()) : Impl(p) {};
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GridBase * Grid(void) { return FermionGrid(); }; // this is all the linalg routines need to know
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GridBase * RedBlackGrid(void) { return FermionRedBlackGrid(); };
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virtual GridBase *FermionGrid(void) =0;
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virtual GridBase *FermionRedBlackGrid(void) =0;
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virtual GridBase *GaugeGrid(void) =0;
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virtual GridBase *GaugeRedBlackGrid(void) =0;
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// override multiply
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virtual RealD M (const FermionField &in, FermionField &out)=0;
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virtual RealD Mdag (const FermionField &in, FermionField &out)=0;
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// half checkerboard operaions
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virtual int ConstEE(void) { return 1; }; // clover returns zero as EE depends on gauge field
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virtual void Meooe (const FermionField &in, FermionField &out)=0;
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virtual void MeooeDag (const FermionField &in, FermionField &out)=0;
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virtual void Mooee (const FermionField &in, FermionField &out)=0;
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virtual void MooeeDag (const FermionField &in, FermionField &out)=0;
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virtual void MooeeInv (const FermionField &in, FermionField &out)=0;
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virtual void MooeeInvDag (const FermionField &in, FermionField &out)=0;
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// non-hermitian hopping term; half cb or both
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virtual void Dhop (const FermionField &in, FermionField &out,int dag)=0;
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virtual void DhopOE(const FermionField &in, FermionField &out,int dag)=0;
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virtual void DhopEO(const FermionField &in, FermionField &out,int dag)=0;
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virtual void DhopDir(const FermionField &in, FermionField &out,int dir,int disp)=0; // implemented by WilsonFermion and WilsonFermion5D
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// force terms; five routines; default to Dhop on diagonal
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virtual void MDeriv (GaugeField &mat,const FermionField &U,const FermionField &V,int dag){DhopDeriv(mat,U,V,dag);};
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virtual void MoeDeriv(GaugeField &mat,const FermionField &U,const FermionField &V,int dag){DhopDerivOE(mat,U,V,dag);};
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virtual void MeoDeriv(GaugeField &mat,const FermionField &U,const FermionField &V,int dag){DhopDerivEO(mat,U,V,dag);};
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virtual void MooDeriv(GaugeField &mat,const FermionField &U,const FermionField &V,int dag){mat=zero;}; // Clover can override these
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virtual void MeeDeriv(GaugeField &mat,const FermionField &U,const FermionField &V,int dag){mat=zero;};
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virtual void DhopDeriv (GaugeField &mat,const FermionField &U,const FermionField &V,int dag)=0;
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virtual void DhopDerivEO(GaugeField &mat,const FermionField &U,const FermionField &V,int dag)=0;
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virtual void DhopDerivOE(GaugeField &mat,const FermionField &U,const FermionField &V,int dag)=0;
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virtual void Mdiag (const FermionField &in, FermionField &out) { Mooee(in,out);}; // Same as Mooee applied to both CB's
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virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp)=0; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
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///////////////////////////////////////////////
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// Updates gauge field during HMC
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///////////////////////////////////////////////
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virtual void ImportGauge(const GaugeField & _U)=0;
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};
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}
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}
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#endif
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