/************************************************************************************* Grid physics library, www.github.com/paboyle/Grid Source file: ./lib/qcd/action/fermion/WilsonFermion5D.h Copyright (C) 2015 Author: Peter Boyle Author: Peter Boyle Author: paboyle This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. See the full license in the file "LICENSE" in the top level distribution directory *************************************************************************************/ /* END LEGAL */ #ifndef GRID_QCD_WILSON_FERMION_5D_H #define GRID_QCD_WILSON_FERMION_5D_H namespace Grid { namespace QCD { //////////////////////////////////////////////////////////////////////////////// // This is the 4d red black case appropriate to support // // parity = (x+y+z+t)|2; // generalised five dim fermions like mobius, zolotarev etc.. // // i.e. even even contains fifth dim hopping term. // // [DIFFERS from original CPS red black implementation parity = (x+y+z+t+s)|2 ] //////////////////////////////////////////////////////////////////////////////// class WilsonFermion5DStatic { public: // S-direction is INNERMOST and takes no part in the parity. static const std::vector directions; static const std::vector displacements; const int npoint = 8; }; template class WilsonFermion5D : public WilsonKernels, public WilsonFermion5DStatic { public: INHERIT_IMPL_TYPES(Impl); typedef WilsonKernels Kernels; /////////////////////////////////////////////////////////////// // Implement the abstract base /////////////////////////////////////////////////////////////// GridBase *GaugeGrid(void) { return _FourDimGrid ;} GridBase *GaugeRedBlackGrid(void) { return _FourDimRedBlackGrid ;} GridBase *FermionGrid(void) { return _FiveDimGrid;} GridBase *FermionRedBlackGrid(void) { return _FiveDimRedBlackGrid;} // full checkerboard operations; leave unimplemented as abstract for now virtual RealD M (const FermionField &in, FermionField &out){assert(0); return 0.0;}; virtual RealD Mdag (const FermionField &in, FermionField &out){assert(0); return 0.0;}; // half checkerboard operations; leave unimplemented as abstract for now virtual void Meooe (const FermionField &in, FermionField &out){assert(0);}; virtual void Mooee (const FermionField &in, FermionField &out){assert(0);}; virtual void MooeeInv (const FermionField &in, FermionField &out){assert(0);}; virtual void MeooeDag (const FermionField &in, FermionField &out){assert(0);}; virtual void MooeeDag (const FermionField &in, FermionField &out){assert(0);}; virtual void MooeeInvDag (const FermionField &in, FermionField &out){assert(0);}; virtual void Mdir (const FermionField &in, FermionField &out,int dir,int disp){assert(0);}; // case by case Wilson, Clover, Cayley, ContFrac, PartFrac // These can be overridden by fancy 5d chiral action virtual void DhopDeriv (GaugeField &mat,const FermionField &U,const FermionField &V,int dag); virtual void DhopDerivEO(GaugeField &mat,const FermionField &U,const FermionField &V,int dag); virtual void DhopDerivOE(GaugeField &mat,const FermionField &U,const FermionField &V,int dag); // Implement hopping term non-hermitian hopping term; half cb or both // Implement s-diagonal DW void DW (const FermionField &in, FermionField &out,int dag); void Dhop (const FermionField &in, FermionField &out,int dag); void DhopOE(const FermionField &in, FermionField &out,int dag); void DhopEO(const FermionField &in, FermionField &out,int dag); // add a DhopComm // -- suboptimal interface will presently trigger multiple comms. void DhopDir(const FermionField &in, FermionField &out,int dir,int disp); /////////////////////////////////////////////////////////////// // New methods added /////////////////////////////////////////////////////////////// void DerivInternal(StencilImpl & st, DoubledGaugeField & U, GaugeField &mat, const FermionField &A, const FermionField &B, int dag); void DhopInternal(StencilImpl & st, LebesgueOrder &lo, DoubledGaugeField &U, const FermionField &in, FermionField &out, int dag); // Constructors WilsonFermion5D(GaugeField &_Umu, GridCartesian &FiveDimGrid, GridRedBlackCartesian &FiveDimRedBlackGrid, GridCartesian &FourDimGrid, GridRedBlackCartesian &FourDimRedBlackGrid, double _M5,const ImplParams &p= ImplParams()); // Constructors /* WilsonFermion5D(int simd, GaugeField &_Umu, GridCartesian &FiveDimGrid, GridRedBlackCartesian &FiveDimRedBlackGrid, GridCartesian &FourDimGrid, double _M5,const ImplParams &p= ImplParams()); */ // DoubleStore void ImportGauge(const GaugeField &_Umu); /////////////////////////////////////////////////////////////// // Data members require to support the functionality /////////////////////////////////////////////////////////////// public: // Add these to the support from Wilson GridBase *_FourDimGrid; GridBase *_FourDimRedBlackGrid; GridBase *_FiveDimGrid; GridBase *_FiveDimRedBlackGrid; double M5; int Ls; //Defines the stencils for even and odd StencilImpl Stencil; StencilImpl StencilEven; StencilImpl StencilOdd; // Copy of the gauge field , with even and odd subsets DoubledGaugeField Umu; DoubledGaugeField UmuEven; DoubledGaugeField UmuOdd; LebesgueOrder Lebesgue; LebesgueOrder LebesgueEvenOdd; // Comms buffer std::vector > comm_buf; }; } } #endif