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176 lines
6.8 KiB
C++
176 lines
6.8 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/qcd/action/fermion/TwoSpinWilsonFermion3plus1D.h
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Copyright (C) 2015
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: paboyle <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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#pragma one
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NAMESPACE_BEGIN(Grid);
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class TwoSpinWilsonFermion3plus1DStatic {
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public:
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// S-direction is INNERMOST and takes no part in the parity.
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static const std::vector<int> directions;
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static const std::vector<int> displacements;
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static constexpr int npoint = 6;
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static std::vector<int> MakeDirections(void);
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static std::vector<int> MakeDisplacements(void);
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};
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template<class Impl>
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class TwoSpinWilsonFermion3plus1D : public TwoSpinWilsonKernels<Impl>, public TwoSpinWilsonFermion3plus1DStatic
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{
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public:
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INHERIT_IMPL_TYPES(Impl);
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typedef TwoSpinWilsonKernels<Impl> Kernels;
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FermionField _tmp;
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FermionField &tmp(void) { return _tmp; }
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int Dirichlet;
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Coordinate Block;
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///////////////////////////////////////////////////////////////
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// Implement the abstract base
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///////////////////////////////////////////////////////////////
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GridBase *GaugeGrid(void) { return _ThreeDimGrid ;}
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GridBase *GaugeRedBlackGrid(void) { return _ThreeDimRedBlackGrid ;}
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GridBase *FermionGrid(void) { return _FourDimGrid;}
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GridBase *FermionRedBlackGrid(void) { return _FourDimRedBlackGrid;}
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// full checkerboard operations; leave unimplemented as abstract for now
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virtual void M (const FermionField &in, FermionField &out){assert(0);};
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virtual void Mdag (const FermionField &in, FermionField &out){assert(0);};
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// half checkerboard operations; leave unimplemented as abstract for now
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virtual void Meooe (const FermionField &in, FermionField &out);
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virtual void Mooee (const FermionField &in, FermionField &out);
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virtual void MooeeInv (const FermionField &in, FermionField &out);
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virtual void MeooeDag (const FermionField &in, FermionField &out);
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virtual void MooeeDag (const FermionField &in, FermionField &out);
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virtual void MooeeInvDag (const FermionField &in, FermionField &out);
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virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp){assert(0);}; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
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virtual void MdirAll(const FermionField &in, std::vector<FermionField> &out){assert(0);}; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac
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// These can be overridden by fancy 5d chiral action
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virtual void DhopDeriv (GaugeField &mat,const FermionField &U,const FermionField &V,int dag);
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virtual void DhopDerivEO(GaugeField &mat,const FermionField &U,const FermionField &V,int dag);
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virtual void DhopDerivOE(GaugeField &mat,const FermionField &U,const FermionField &V,int dag);
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// void MomentumSpacePropagatorHt_5d(FermionField &out,const FermionField &in,RealD mass,std::vector<double> twist) ;
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void MomentumSpacePropagatorHt(FermionField &out,const FermionField &in,RealD mass,std::vector<double> twist) ;
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void MomentumSpacePropagatorHw(FermionField &out,const FermionField &in,RealD mass,std::vector<double> twist) ;
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// Implement hopping term non-hermitian hopping term; half cb or both
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// Implement s-diagonal DW
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void DW (const FermionField &in, FermionField &out,int dag);
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void Dhop (const FermionField &in, FermionField &out,int dag);
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void DhopOE(const FermionField &in, FermionField &out,int dag);
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void DhopEO(const FermionField &in, FermionField &out,int dag);
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void DhopComms (const FermionField &in, FermionField &out);
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void DhopCalc (const FermionField &in, FermionField &out,uint64_t *ids);
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// add a DhopComm
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// -- suboptimal interface will presently trigger multiple comms.
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void DhopDir(const FermionField &in, FermionField &out,int dir,int disp);
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void DhopDirAll(const FermionField &in,std::vector<FermionField> &out);
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void DhopDirComms(const FermionField &in);
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void DhopDirCalc(const FermionField &in, FermionField &out,int point);
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///////////////////////////////////////////////////////////////
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// New methods added
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///////////////////////////////////////////////////////////////
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void DerivInternal(StencilImpl & st,
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DoubledGaugeField & U,
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GaugeField &mat,
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const FermionField &A,
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const FermionField &B,
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int dag);
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void DhopInternal(StencilImpl & st,
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DoubledGaugeField &U,
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const FermionField &in,
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FermionField &out,
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int dag);
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void DhopInternalOverlappedComms(StencilImpl & st,
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DoubledGaugeField &U,
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const FermionField &in,
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FermionField &out,
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int dag);
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void DhopInternalSerialComms(StencilImpl & st,
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DoubledGaugeField &U,
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const FermionField &in,
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FermionField &out,
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int dag);
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// Constructors
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TwoSpinWilsonFermion3plus1D(GaugeField &_Umu,
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GridCartesian &FourDimGrid,
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GridRedBlackCartesian &FourDimRedBlackGrid,
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GridCartesian &ThreeDimGrid,
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GridRedBlackCartesian &ThreeDimRedBlackGrid,
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double _M5,const ImplParams &p= ImplParams());
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virtual void DirichletBlock(const Coordinate & block)
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{
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}
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// DoubleStore
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void ImportGauge(const GaugeField &_Umu);
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///////////////////////////////////////////////////////////////
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// Data members require to support the functionality
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///////////////////////////////////////////////////////////////
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public:
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// Add these to the support from Wilson
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GridBase *_ThreeDimGrid;
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GridBase *_ThreeDimRedBlackGrid;
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GridBase *_FourDimGrid;
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GridBase *_FourDimRedBlackGrid;
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double M5;
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int Ls;
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//Defines the stencils for even and odd
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StencilImpl Stencil;
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StencilImpl StencilEven;
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StencilImpl StencilOdd;
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// Copy of the gauge field , with even and odd subsets
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DoubledGaugeField Umu;
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DoubledGaugeField UmuEven;
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DoubledGaugeField UmuOdd;
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};
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NAMESPACE_END(Grid);
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