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Crusher updates
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@ -53,6 +53,9 @@ NAMESPACE_BEGIN(Grid);
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MultiShiftFunction PowerQuarter;
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MultiShiftFunction PowerNegQuarter;
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MultiShiftFunction MDPowerNegHalf;
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MultiShiftFunction MDPowerQuarter;
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private:
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FermionOperator<Impl> & NumOp;// the basic operator
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@ -81,11 +84,13 @@ NAMESPACE_BEGIN(Grid);
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remez.generateApprox(param.degree,1,2);
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PowerHalf.Init(remez,param.tolerance,false);
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PowerNegHalf.Init(remez,param.tolerance,true);
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MDPowerNegHalf.Init(remez,param.mdtolerance,true);
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// MdagM^(+- 1/4)
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std::cout<<GridLogMessage << "Generating degree "<<param.degree<<" for x^(1/4)"<<std::endl;
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remez.generateApprox(param.degree,1,4);
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PowerQuarter.Init(remez,param.tolerance,false);
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MDPowerQuarter.Init(remez,param.mdtolerance,false);
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PowerNegQuarter.Init(remez,param.tolerance,true);
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};
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@ -226,8 +231,8 @@ NAMESPACE_BEGIN(Grid);
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virtual void deriv(const GaugeField &U,GaugeField & dSdU) {
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const int n_f = PowerNegHalf.poles.size();
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const int n_pv = PowerQuarter.poles.size();
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const int n_f = MDPowerNegHalf.poles.size();
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const int n_pv = MDPowerQuarter.poles.size();
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std::vector<FermionField> MpvPhi_k (n_pv,NumOp.FermionRedBlackGrid());
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std::vector<FermionField> MpvMfMpvPhi_k(n_pv,NumOp.FermionRedBlackGrid());
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@ -246,8 +251,8 @@ NAMESPACE_BEGIN(Grid);
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SchurDifferentiableOperator<Impl> VdagV(NumOp);
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SchurDifferentiableOperator<Impl> MdagM(DenOp);
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ConjugateGradientMultiShift<FermionField> msCG_V(param.MaxIter,PowerQuarter);
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ConjugateGradientMultiShift<FermionField> msCG_M(param.MaxIter,PowerNegHalf);
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ConjugateGradientMultiShift<FermionField> msCG_V(param.MaxIter,MDPowerQuarter);
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ConjugateGradientMultiShift<FermionField> msCG_M(param.MaxIter,MDPowerNegHalf);
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msCG_V(VdagV,PhiOdd,MpvPhi_k,MpvPhi);
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msCG_M(MdagM,MpvPhi,MfMpvPhi_k,MfMpvPhi);
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@ -266,7 +271,7 @@ NAMESPACE_BEGIN(Grid);
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//(1)
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for(int k=0;k<n_f;k++){
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ak = PowerNegHalf.residues[k];
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ak = MDPowerNegHalf.residues[k];
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MdagM.Mpc(MfMpvPhi_k[k],Y);
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MdagM.MpcDagDeriv(tmp , MfMpvPhi_k[k], Y ); dSdU=dSdU+ak*tmp;
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MdagM.MpcDeriv(tmp , Y, MfMpvPhi_k[k] ); dSdU=dSdU+ak*tmp;
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@ -276,7 +281,7 @@ NAMESPACE_BEGIN(Grid);
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//(3)
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for(int k=0;k<n_pv;k++){
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ak = PowerQuarter.residues[k];
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ak = MDPowerQuarter.residues[k];
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VdagV.Mpc(MpvPhi_k[k],Y);
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VdagV.MpcDagDeriv(tmp,MpvMfMpvPhi_k[k],Y); dSdU=dSdU+ak*tmp;
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@ -75,16 +75,14 @@ NAMESPACE_BEGIN(Grid);
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remez.generateApprox(param.degree,1,2);
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PowerHalf.Init(remez,param.tolerance,false);
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PowerNegHalf.Init(remez,param.tolerance,true);
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MDPowerNegHalf.Init(remez,param.mdtolerance,true);
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// MdagM^(+- 1/4)
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std::cout<<GridLogMessage << "Generating degree "<<param.degree<<" for x^(1/4)"<<std::endl;
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remez.generateApprox(param.degree,1,4);
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PowerQuarter.Init(remez,param.tolerance,false);
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PowerNegQuarter.Init(remez,param.tolerance,true);
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// Derive solves different tol
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MDPowerQuarter.Init(remez,param.mdtolerance,false);
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MDPowerNegHalf.Init(remez,param.mdtolerance,true);
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PowerNegQuarter.Init(remez,param.tolerance,true);
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};
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virtual std::string action_name(){return "OneFlavourRatioRationalPseudoFermionAction";}
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