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Grid/lib/qcd/action/fermion/DomainWallEOFAFermion.h

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5.5 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: ./lib/qcd/action/fermion/DomainWallEOFAFermion.h
Copyright (C) 2017
Author: Peter Boyle <pabobyle@ph.ed.ac.uk>
Author: Peter Boyle <paboyle@ph.ed.ac.uk>
Author: David Murphy <dmurphy@phys.columbia.edu>
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_DOMAIN_WALL_EOFA_FERMION_H
#define GRID_QCD_DOMAIN_WALL_EOFA_FERMION_H
#include <Grid/qcd/action/fermion/AbstractEOFAFermion.h>
namespace Grid {
namespace QCD {
/*template<typename T> struct switcheroo {
static inline int iscomplex() { return 0; }
template<class vec>
static inline vec mult(vec a, vec b){ return real_mult(a,b); }
};
template<> struct switcheroo<ComplexD> {
static inline int iscomplex() { return 1; }
template<class vec>
static inline vec mult(vec a, vec b){ return a*b; }
};
template<> struct switcheroo<ComplexF> {
static inline int iscomplex() { return 1; }
template<class vec>
static inline vec mult(vec a, vec b) { return a*b; }
};*/
template<class Impl>
class DomainWallEOFAFermion : public AbstractEOFAFermion<Impl>
{
public:
INHERIT_IMPL_TYPES(Impl);
public:
// Modified (0,Ls-1) and (Ls-1,0) elements of Mooee
// for red-black preconditioned Shamir EOFA
Coeff_t dm;
Coeff_t dp;
virtual void Instantiatable(void) {};
// EOFA-specific operations
virtual void Omega (const FermionField& in, FermionField& out, int sign, int dag);
virtual void Dtilde (const FermionField& in, FermionField& out);
virtual void DtildeInv (const FermionField& in, FermionField& out);
// override multiply
virtual RealD M (const FermionField& in, FermionField& out);
virtual RealD Mdag (const FermionField& in, FermionField& out);
// half checkerboard operations
virtual void Mooee (const FermionField& in, FermionField& out);
virtual void MooeeDag (const FermionField& in, FermionField& out);
virtual void MooeeInv (const FermionField& in, FermionField& out);
virtual void MooeeInvDag(const FermionField& in, FermionField& out);
virtual void M5D (const FermionField& psi, FermionField& chi);
virtual void M5Ddag (const FermionField& psi, FermionField& chi);
/////////////////////////////////////////////////////
// Instantiate different versions depending on Impl
/////////////////////////////////////////////////////
void M5D(const FermionField& psi, const FermionField& phi, FermionField& chi,
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper);
void M5Ddag(const FermionField& psi, const FermionField& phi, FermionField& chi,
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper);
void MooeeInternal(const FermionField& in, FermionField& out, int dag, int inv);
void MooeeInternalCompute(int dag, int inv, Vector<iSinglet<Simd>>& Matp, Vector<iSinglet<Simd>>& Matm);
void MooeeInternalAsm(const FermionField& in, FermionField& out, int LLs, int site,
Vector<iSinglet<Simd>>& Matp, Vector<iSinglet<Simd>>& Matm);
void MooeeInternalZAsm(const FermionField& in, FermionField& out, int LLs, int site,
Vector<iSinglet<Simd>>& Matp, Vector<iSinglet<Simd>>& Matm);
virtual void RefreshShiftCoefficients(RealD new_shift);
// Constructors
DomainWallEOFAFermion(GaugeField& _Umu, GridCartesian& FiveDimGrid, GridRedBlackCartesian& FiveDimRedBlackGrid,
GridCartesian& FourDimGrid, GridRedBlackCartesian& FourDimRedBlackGrid,
RealD _mq1, RealD _mq2, RealD _mq3, RealD _shift, int pm,
RealD _M5, const ImplParams& p=ImplParams());
protected:
void SetCoefficientsInternal(RealD zolo_hi, std::vector<Coeff_t>& gamma, RealD b, RealD c);
};
}}
#define INSTANTIATE_DPERP_DWF_EOFA(A)\
template void DomainWallEOFAFermion<A>::M5D(const FermionField& psi, const FermionField& phi, FermionField& chi, \
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper); \
template void DomainWallEOFAFermion<A>::M5Ddag(const FermionField& psi, const FermionField& phi, FermionField& chi, \
std::vector<Coeff_t>& lower, std::vector<Coeff_t>& diag, std::vector<Coeff_t>& upper); \
template void DomainWallEOFAFermion<A>::MooeeInv(const FermionField& psi, FermionField& chi); \
template void DomainWallEOFAFermion<A>::MooeeInvDag(const FermionField& psi, FermionField& chi);
#undef DOMAIN_WALL_EOFA_DPERP_DENSE
#define DOMAIN_WALL_EOFA_DPERP_CACHE
#undef DOMAIN_WALL_EOFA_DPERP_LINALG
#define DOMAIN_WALL_EOFA_DPERP_VEC
#endif