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Hadrons: moving Hadrons to root directory, build system improvements
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Grid/qcd/action/fermion/WilsonKernels.h
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281
Grid/qcd/action/fermion/WilsonKernels.h
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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/WilsonKernels.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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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
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directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef GRID_QCD_DHOP_H
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#define GRID_QCD_DHOP_H
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namespace Grid {
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namespace QCD {
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// Helper routines that implement Wilson stencil for a single site.
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// Common to both the WilsonFermion and WilsonFermion5D
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////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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class WilsonKernelsStatic {
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public:
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enum { OptGeneric, OptHandUnroll, OptInlineAsm };
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enum { CommsAndCompute, CommsThenCompute };
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static int Opt;
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static int Comms;
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};
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template<class Impl> class WilsonKernels : public FermionOperator<Impl> , public WilsonKernelsStatic {
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public:
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INHERIT_IMPL_TYPES(Impl);
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typedef FermionOperator<Impl> Base;
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public:
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template <bool EnableBool = true>
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typename std::enable_if<Impl::isFundamental==true && Nc == 3 &&EnableBool, void>::type
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DhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out,int interior=1,int exterior=1)
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{
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bgq_l1p_optimisation(1);
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switch(Opt) {
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#if defined(AVX512) || defined (QPX)
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case OptInlineAsm:
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if(interior&&exterior) WilsonKernels<Impl>::AsmDhopSite (st,lo,U,buf,sF,sU,Ls,Ns,in,out);
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else if (interior) WilsonKernels<Impl>::AsmDhopSiteInt(st,lo,U,buf,sF,sU,Ls,Ns,in,out);
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else if (exterior) WilsonKernels<Impl>::AsmDhopSiteExt(st,lo,U,buf,sF,sU,Ls,Ns,in,out);
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else assert(0);
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break;
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#endif
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case OptHandUnroll:
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for (int site = 0; site < Ns; site++) {
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for (int s = 0; s < Ls; s++) {
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if(interior&&exterior) WilsonKernels<Impl>::HandDhopSite(st,lo,U,buf,sF,sU,in,out);
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else if (interior) WilsonKernels<Impl>::HandDhopSiteInt(st,lo,U,buf,sF,sU,in,out);
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else if (exterior) WilsonKernels<Impl>::HandDhopSiteExt(st,lo,U,buf,sF,sU,in,out);
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sF++;
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}
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sU++;
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}
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break;
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case OptGeneric:
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for (int site = 0; site < Ns; site++) {
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for (int s = 0; s < Ls; s++) {
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if(interior&&exterior) WilsonKernels<Impl>::GenericDhopSite(st,lo,U,buf,sF,sU,in,out);
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else if (interior) WilsonKernels<Impl>::GenericDhopSiteInt(st,lo,U,buf,sF,sU,in,out);
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else if (exterior) WilsonKernels<Impl>::GenericDhopSiteExt(st,lo,U,buf,sF,sU,in,out);
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else assert(0);
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sF++;
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}
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sU++;
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}
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break;
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default:
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assert(0);
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}
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bgq_l1p_optimisation(0);
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}
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template <bool EnableBool = true>
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typename std::enable_if<(Impl::isFundamental==false || (Impl::isFundamental==true && Nc != 3)) && EnableBool, void>::type
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DhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out,int interior=1,int exterior=1 ) {
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// no kernel choice
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for (int site = 0; site < Ns; site++) {
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for (int s = 0; s < Ls; s++) {
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if(interior&&exterior) WilsonKernels<Impl>::GenericDhopSite(st,lo,U,buf,sF,sU,in,out);
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else if (interior) WilsonKernels<Impl>::GenericDhopSiteInt(st,lo,U,buf,sF,sU,in,out);
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else if (exterior) WilsonKernels<Impl>::GenericDhopSiteExt(st,lo,U,buf,sF,sU,in,out);
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else assert(0);
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sF++;
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}
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sU++;
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}
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}
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template <bool EnableBool = true>
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typename std::enable_if<Impl::isFundamental==true && Nc == 3 && EnableBool,void>::type
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DhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out,int interior=1,int exterior=1)
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{
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bgq_l1p_optimisation(1);
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switch(Opt) {
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#if defined(AVX512) || defined (QPX)
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case OptInlineAsm:
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if(interior&&exterior) WilsonKernels<Impl>::AsmDhopSiteDag (st,lo,U,buf,sF,sU,Ls,Ns,in,out);
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else if (interior) WilsonKernels<Impl>::AsmDhopSiteDagInt(st,lo,U,buf,sF,sU,Ls,Ns,in,out);
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else if (exterior) WilsonKernels<Impl>::AsmDhopSiteDagExt(st,lo,U,buf,sF,sU,Ls,Ns,in,out);
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else assert(0);
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break;
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#endif
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case OptHandUnroll:
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for (int site = 0; site < Ns; site++) {
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for (int s = 0; s < Ls; s++) {
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if(interior&&exterior) WilsonKernels<Impl>::HandDhopSiteDag(st,lo,U,buf,sF,sU,in,out);
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else if (interior) WilsonKernels<Impl>::HandDhopSiteDagInt(st,lo,U,buf,sF,sU,in,out);
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else if (exterior) WilsonKernels<Impl>::HandDhopSiteDagExt(st,lo,U,buf,sF,sU,in,out);
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else assert(0);
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sF++;
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}
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sU++;
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}
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break;
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case OptGeneric:
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for (int site = 0; site < Ns; site++) {
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for (int s = 0; s < Ls; s++) {
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if(interior&&exterior) WilsonKernels<Impl>::GenericDhopSiteDag(st,lo,U,buf,sF,sU,in,out);
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else if (interior) WilsonKernels<Impl>::GenericDhopSiteDagInt(st,lo,U,buf,sF,sU,in,out);
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else if (exterior) WilsonKernels<Impl>::GenericDhopSiteDagExt(st,lo,U,buf,sF,sU,in,out);
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else assert(0);
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sF++;
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}
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sU++;
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}
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break;
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default:
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assert(0);
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}
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bgq_l1p_optimisation(0);
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}
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template <bool EnableBool = true>
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typename std::enable_if<(Impl::isFundamental==false || (Impl::isFundamental==true && Nc != 3)) && EnableBool,void>::type
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DhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U,SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out,int interior=1,int exterior=1) {
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for (int site = 0; site < Ns; site++) {
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for (int s = 0; s < Ls; s++) {
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if(interior&&exterior) WilsonKernels<Impl>::GenericDhopSiteDag(st,lo,U,buf,sF,sU,in,out);
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else if (interior) WilsonKernels<Impl>::GenericDhopSiteDagInt(st,lo,U,buf,sF,sU,in,out);
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else if (exterior) WilsonKernels<Impl>::GenericDhopSiteDagExt(st,lo,U,buf,sF,sU,in,out);
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else assert(0);
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sF++;
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}
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sU++;
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}
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}
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void DhopDir(StencilImpl &st, DoubledGaugeField &U,SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out, int dirdisp, int gamma);
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//////////////////////////////////////////////////////////////////////////////
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// Utilities for inserting Wilson conserved current.
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//////////////////////////////////////////////////////////////////////////////
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void ContractConservedCurrentSiteFwd(const SitePropagator &q_in_1,
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const SitePropagator &q_in_2,
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SitePropagator &q_out,
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DoubledGaugeField &U,
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unsigned int sU,
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unsigned int mu,
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bool switch_sign = false);
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void ContractConservedCurrentSiteBwd(const SitePropagator &q_in_1,
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const SitePropagator &q_in_2,
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SitePropagator &q_out,
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DoubledGaugeField &U,
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unsigned int sU,
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unsigned int mu,
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bool switch_sign = false);
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void SeqConservedCurrentSiteFwd(const SitePropagator &q_in,
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SitePropagator &q_out,
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DoubledGaugeField &U,
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unsigned int sU,
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unsigned int mu,
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vInteger t_mask,
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bool switch_sign = false);
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void SeqConservedCurrentSiteBwd(const SitePropagator &q_in,
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SitePropagator &q_out,
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DoubledGaugeField &U,
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unsigned int sU,
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unsigned int mu,
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vInteger t_mask,
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bool switch_sign = false);
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private:
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// Specialised variants
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void GenericDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void GenericDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void GenericDhopSiteInt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void GenericDhopSiteDagInt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void GenericDhopSiteExt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void GenericDhopSiteDagExt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void AsmDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in,FermionField &out);
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void AsmDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out);
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void AsmDhopSiteInt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in,FermionField &out);
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void AsmDhopSiteDagInt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out);
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void AsmDhopSiteExt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in,FermionField &out);
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void AsmDhopSiteDagExt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, int Ls, int Ns, const FermionField &in, FermionField &out);
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void HandDhopSite(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void HandDhopSiteDag(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void HandDhopSiteInt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void HandDhopSiteDagInt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void HandDhopSiteExt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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void HandDhopSiteDagExt(StencilImpl &st, LebesgueOrder &lo, DoubledGaugeField &U, SiteHalfSpinor * buf,
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int sF, int sU, const FermionField &in, FermionField &out);
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public:
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WilsonKernels(const ImplParams &p = ImplParams());
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};
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}}
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#endif
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