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52 lines
2.3 KiB
C++
52 lines
2.3 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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// Four component fermions
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// Should type template the vector and gauge types
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// Think about multiple representations
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//////////////////////////////////////////////////////////////////////////////
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template<class FermionField,class GaugeField>
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class FermionOperator : public CheckerBoardedSparseMatrixBase<FermionField>
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{
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public:
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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 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 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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virtual void DhopDir(const FermionField &in, FermionField &out,int dir,int disp)=0; // implemented by WilsonFermion and WilsonFermion5D
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};
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}
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}
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#endif
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