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Momentum space prop and free prop convolution

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paboyle 2016-08-31 00:26:02 +01:00
parent d15ab66aae
commit 02e983a0cd
1 changed files with 13 additions and 0 deletions
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13
lib/qcd/action/fermion/FermionOperator.h
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@ -91,6 +91,19 @@ namespace Grid {
virtual void Mdiag (const FermionField &in, FermionField &out) { Mooee(in,out);}; // Same as Mooee applied to both CB's
virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp)=0; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
virtual void MomentumSpacePropagator(FermionField &out,const FermionField &in) { assert(0);};
virtual void FreePropagator(const FermionField &in,FermionField &out) {
FFT theFFT((GridCartesian *) in._grid);
FermionField in_k(in._grid);
FermionField prop_k(in._grid);
theFFT.FFT_all_dim(in_k,in,FFT::forward);
this->MomentumSpacePropagator(prop_k,in_k);
theFFT.FFT_all_dim(out,prop_k,FFT::backward);
};
///////////////////////////////////////////////
// Updates gauge field during HMC
///////////////////////////////////////////////