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98 lines
3.6 KiB
C++
98 lines
3.6 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/qcd/action/fermion/PartialFractionFermion5D.h
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Copyright (C) 2015
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Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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See the full license in the file "LICENSE" in the top level distribution directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef GRID_QCD_PARTIAL_FRACTION_H
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#define GRID_QCD_PARTIAL_FRACTION_H
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#include <Grid/qcd/action/fermion/WilsonFermion5D.h>
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NAMESPACE_BEGIN(Grid);
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template<class Impl>
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class PartialFractionFermion5D : public WilsonFermion5D<Impl>
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{
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public:
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INHERIT_IMPL_TYPES(Impl);
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const int part_frac_chroma_convention=1;
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void Meooe_internal(const FermionField &in, FermionField &out,int dag);
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void Mooee_internal(const FermionField &in, FermionField &out,int dag);
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void MooeeInv_internal(const FermionField &in, FermionField &out,int dag);
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void M_internal(const FermionField &in, FermionField &out,int dag);
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// override multiply
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virtual RealD M (const FermionField &in, FermionField &out);
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virtual RealD Mdag (const FermionField &in, FermionField &out);
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// half checkerboard operaions
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virtual void Meooe (const FermionField &in, FermionField &out);
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virtual void MeooeDag (const FermionField &in, FermionField &out);
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virtual void Mooee (const FermionField &in, FermionField &out);
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virtual void MooeeDag (const FermionField &in, FermionField &out);
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virtual void MooeeInv (const FermionField &in, FermionField &out);
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virtual void MooeeInvDag (const FermionField &in, FermionField &out);
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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);
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virtual void MoeDeriv(GaugeField &mat,const FermionField &U,const FermionField &V,int dag);
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virtual void MeoDeriv(GaugeField &mat,const FermionField &U,const FermionField &V,int dag);
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virtual void Instantiatable(void) =0; // ensure no make-eee
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// Efficient support for multigrid coarsening
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virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp);
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// Constructors
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PartialFractionFermion5D(GaugeField &_Umu,
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GridCartesian &FiveDimGrid,
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GridRedBlackCartesian &FiveDimRedBlackGrid,
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GridCartesian &FourDimGrid,
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GridRedBlackCartesian &FourDimRedBlackGrid,
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RealD _mass,RealD M5,const ImplParams &p= ImplParams());
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protected:
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virtual void SetCoefficientsTanh(Approx::zolotarev_data *zdata,RealD scale);
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virtual void SetCoefficientsZolotarev(RealD zolo_hi,Approx::zolotarev_data *zdata);
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// Part frac
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RealD mass;
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RealD dw_diag;
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RealD R;
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RealD amax;
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RealD scale;
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std::vector<double> p;
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std::vector<double> q;
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};
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NAMESPACE_END(Grid);
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#endif
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