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Grid/lib/qcd/action/fermion/g5HermitianLinop.h

50 lines
1.2 KiB
C++

#ifndef G5_HERMITIAN_LINOP
#define G5_HERMITIAN_LINOP
namespace Grid {
namespace QCD {
////////////////////////////////////////////////////////////////////
// Wrap an already herm matrix
////////////////////////////////////////////////////////////////////
template<class Matrix,class Field>
class Gamma5HermitianLinearOperator : public LinearOperatorBase<Field> {
Matrix &_Mat;
public:
Gamma5HermitianLinearOperator(Matrix &Mat): _Mat(Mat){};
void Op (const Field &in, Field &out){
HermOp(in,out);
}
void AdjOp (const Field &in, Field &out){
HermOp(in,out);
}
void OpDiag (const Field &in, Field &out) {
Field tmp(in._grid);
_Mat.Mdiag(in,tmp);
G5R5(out,tmp);
}
void OpDir (const Field &in, Field &out,int dir,int disp) {
Field tmp(in._grid);
_Mat.Mdir(in,tmp,dir,disp);
G5R5(out,tmp);
}
void HermOpAndNorm(const Field &in, Field &out,RealD &n1,RealD &n2){
HermOp(in,out);
ComplexD dot;
dot= innerProduct(in,out);
n1=real(dot);
dot = innerProduct(out,out);
n2=real(dot);
}
void HermOp(const Field &in, Field &out){
Field tmp(in._grid);
_Mat.M(in,tmp);
G5R5(out,tmp);
}
};
}}
#endif