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116 lines
5.7 KiB
C
116 lines
5.7 KiB
C
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/qcd/action/fermion/DomainWallEOFAFermion.h
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Copyright (C) 2017
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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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Author: David Murphy <dmurphy@phys.columbia.edu>
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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_DOMAIN_WALL_EOFA_FERMION_H
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#define GRID_QCD_DOMAIN_WALL_EOFA_FERMION_H
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#include <Grid/qcd/action/fermion/AbstractEOFAFermion.h>
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namespace Grid {
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namespace QCD {
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// DJM: EOFA with (Shamir) domain wall fermions.
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// We overload and re-implement only the routines which have a different operator
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// structure than the CayleyFermion5D base class.
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template<class Impl>
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class DomainWallEOFAFermion : public AbstractEOFAFermion<Impl>
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{
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public:
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INHERIT_IMPL_TYPES(Impl);
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public:
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// Modified (0,Ls-1) and (Ls-1,0) elements of Mooee for red-black preconditioned Shamir EOFA
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Coeff_t dm;
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Coeff_t dp;
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virtual void Instantiatable(void) {};
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// EOFA specific operators
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virtual void Omega (const FermionField& in, FermionField &out, int sign, int dag);
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virtual void Dtilde (const FermionField& in, FermionField &out);
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virtual void DtildeInv (const FermionField& in, FermionField &out);
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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 operations
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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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virtual void M5D (const FermionField &psi, FermionField &chi);
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virtual void M5Ddag (const FermionField &psi, FermionField &chi);
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/////////////////////////////////////////////////////
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// Instantiate different versions depending on Impl
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/////////////////////////////////////////////////////
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void M5D (const FermionField &psi, const FermionField &phi, FermionField &chi,
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std::vector<Coeff_t> &lower, std::vector<Coeff_t> &diag, std::vector<Coeff_t> &upper);
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void M5Ddag (const FermionField &psi, const FermionField &phi, FermionField &chi,
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std::vector<Coeff_t> &lower, std::vector<Coeff_t> &diag, std::vector<Coeff_t> &upper);
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void MooeeInternal (const FermionField &in, FermionField &out, int dag, int inv);
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void MooeeInternalCompute(int dag, int inv, Vector<iSinglet<Simd> >& Matp, Vector<iSinglet<Simd> >& Matm);
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void MooeeInternalAsm (const FermionField &in, FermionField &out, int LLs, int site,
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Vector<iSinglet<Simd> >& Matp, Vector<iSinglet<Simd> >& Matm);
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void MooeeInternalZAsm (const FermionField &in, FermionField &out, int LLs, int site,
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Vector<iSinglet<Simd> >& Matp, Vector<iSinglet<Simd> >& Matm);
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virtual void RefreshShiftCoefficients(RealD new_shift);
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// Constructors
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DomainWallEOFAFermion(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 _mq1, RealD _mq2, RealD _mq3, RealD _shift,
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int pm, RealD _M5, const ImplParams& p=ImplParams());
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protected:
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virtual void SetCoefficientsInternal(RealD zolo_hi, std::vector<Coeff_t> &gamma, RealD b, RealD c);
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};
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}}
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#define INSTANTIATE_DPERP_DWF_EOFA(A)\
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template void DomainWallEOFAFermion<A>::M5D(const FermionField& psi, const FermionField& phi, FermionField& chi,\
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std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper); \
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template void DomainWallEOFAFermion<A>::M5Ddag(const FermionField& psi, const FermionField& phi, FermionField& chi,\
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std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper); \
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template void DomainWallEOFAFermion<A>::MooeeInv(const FermionField& psi, FermionField& chi); \
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template void DomainWallEOFAFermion<A>::MooeeInvDag(const FermionField& psi, FermionField& chi);
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#undef DOMAIN_WALL_EOFA_DPERP_DENSE
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#define DOMAIN_WALL_EOFA_DPERP_CACHE
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#undef DOMAIN_WALL_EOFA_DPERP_LINALG
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#define DOMAIN_WALL_EOFA_DPERP_VEC
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#endif
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