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135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: extras/Hadrons/Modules/MAction/DWF.hpp
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Copyright (C) 2015
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Copyright (C) 2016
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Author: Antonin Portelli <antonin.portelli@me.com>
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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 Hadrons_DWF_hpp_
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#define Hadrons_DWF_hpp_
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#include <Grid/Hadrons/Global.hpp>
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#include <Grid/Hadrons/Module.hpp>
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#include <Grid/Hadrons/ModuleFactory.hpp>
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BEGIN_HADRONS_NAMESPACE
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/******************************************************************************
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* Domain wall quark action *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MAction)
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class DWFPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(DWFPar,
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std::string, gauge,
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unsigned int, Ls,
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double , mass,
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double , M5);
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};
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template <typename FImpl>
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class TDWF: public Module<DWFPar>
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{
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public:
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TYPE_ALIASES(FImpl,);
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public:
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// constructor
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TDWF(const std::string name);
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// destructor
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virtual ~TDWF(void) = default;
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// dependency relation
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virtual std::vector<std::string> getInput(void);
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virtual std::vector<std::string> getOutput(void);
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// setup
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virtual void setup(void);
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// execution
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virtual void execute(void);
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};
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MODULE_REGISTER_NS(DWF, TDWF<FIMPL>, MAction);
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/******************************************************************************
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* DWF template implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl>
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TDWF<FImpl>::TDWF(const std::string name)
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: Module<DWFPar>(name)
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{}
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// dependencies/products ///////////////////////////////////////////////////////
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template <typename FImpl>
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std::vector<std::string> TDWF<FImpl>::getInput(void)
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{
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std::vector<std::string> in = {par().gauge};
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return in;
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}
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template <typename FImpl>
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std::vector<std::string> TDWF<FImpl>::getOutput(void)
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{
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std::vector<std::string> out = {getName()};
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return out;
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}
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// setup ///////////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TDWF<FImpl>::setup(void)
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{
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unsigned int size;
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size = 2*env().template lattice4dSize<typename FImpl::DoubledGaugeField>();
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env().registerObject(getName(), size, par().Ls);
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TDWF<FImpl>::execute(void)
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{
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LOG(Message) << "Setting up domain wall fermion matrix with m= "
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<< par().mass << ", M5= " << par().M5 << " and Ls= "
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<< par().Ls << " using gauge field '" << par().gauge << "'"
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<< std::endl;
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env().createGrid(par().Ls);
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auto &U = *env().template getObject<LatticeGaugeField>(par().gauge);
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auto &g4 = *env().getGrid();
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auto &grb4 = *env().getRbGrid();
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auto &g5 = *env().getGrid(par().Ls);
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auto &grb5 = *env().getRbGrid(par().Ls);
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FMat *fMatPt = new DomainWallFermion<FImpl>(U, g5, grb5, g4, grb4,
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par().mass, par().M5);
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env().setObject(getName(), fMatPt);
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}
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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#endif // Hadrons_DWF_hpp_
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