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Grid/extras/Hadrons/Modules/MAction/DWF.hpp

137 lines
4.5 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: extras/Hadrons/Modules/MAction/DWF.hpp
Copyright (C) 2015-2018
Author: Antonin Portelli <antonin.portelli@me.com>
Author: Lanny91 <andrew.lawson@gmail.com>
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 Hadrons_MAction_DWF_hpp_
#define Hadrons_MAction_DWF_hpp_
#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Domain wall quark action *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MAction)
class DWFPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(DWFPar,
std::string, gauge,
unsigned int, Ls,
double , mass,
double , M5,
std::string , boundary);
};
template <typename FImpl>
class TDWF: public Module<DWFPar>
{
public:
FG_TYPE_ALIASES(FImpl,);
public:
// constructor
TDWF(const std::string name);
// destructor
virtual ~TDWF(void) {};
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
protected:
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
extern template class TDWF<FIMPL>;
MODULE_REGISTER_TMP(DWF, TDWF<FIMPL>, MAction);
/******************************************************************************
* DWF template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TDWF<FImpl>::TDWF(const std::string name)
: Module<DWFPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TDWF<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().gauge};
return in;
}
template <typename FImpl>
std::vector<std::string> TDWF<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TDWF<FImpl>::setup(void)
{
LOG(Message) << "Setting up domain wall fermion matrix with m= "
<< par().mass << ", M5= " << par().M5 << " and Ls= "
<< par().Ls << " using gauge field '" << par().gauge << "'"
<< std::endl;
LOG(Message) << "Fermion boundary conditions: " << par().boundary
<< std::endl;
env().createGrid(par().Ls);
auto &U = envGet(LatticeGaugeField, par().gauge);
auto &g4 = *env().getGrid();
auto &grb4 = *env().getRbGrid();
auto &g5 = *env().getGrid(par().Ls);
auto &grb5 = *env().getRbGrid(par().Ls);
std::vector<Complex> boundary = strToVec<Complex>(par().boundary);
typename DomainWallFermion<FImpl>::ImplParams implParams(boundary);
envCreateDerived(FMat, DomainWallFermion<FImpl>, getName(), par().Ls, U, g5,
grb5, g4, grb4, par().mass, par().M5, implParams);
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TDWF<FImpl>::execute(void)
{}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MAction_DWF_hpp_