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

83 lines
2.9 KiB
C++

/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: programs/Hadrons/DWF.cc
Copyright (C) 2016
Author: Antonin Portelli <antonin.portelli@me.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.
*******************************************************************************/
#include <Grid/Hadrons/Modules/MAction/DWF.hpp>
using namespace Grid;
using namespace Hadrons;
using namespace MAction;
/******************************************************************************
* DWF implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
DWF::DWF(const std::string name)
: Module<DWFPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
std::vector<std::string> DWF::getInput(void)
{
std::vector<std::string> in = {par().gauge};
return in;
}
std::vector<std::string> DWF::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
void DWF::setup(void)
{
unsigned int size;
size = 3*env().lattice4dSize<WilsonFermionR::DoubledGaugeField>();
env().registerObject(getName(), size, par().Ls);
}
// execution ///////////////////////////////////////////////////////////////////
void DWF::execute(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;
env().createGrid(par().Ls);
auto &U = *env().getObject<LatticeGaugeField>(par().gauge);
auto &g4 = *env().getGrid();
auto &grb4 = *env().getRbGrid();
auto &g5 = *env().getGrid(par().Ls);
auto &grb5 = *env().getRbGrid(par().Ls);
FMat *fMatPt = new DomainWallFermion<FIMPL>(U, g5, grb5, g4, grb4,
par().mass, par().M5);
env().setObject(getName(), fMatPt);
}