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Grid/programs/Hadrons/MQuark.cc

94 lines
3.0 KiB
C++

/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: programs/Hadrons/MQuark.cc
Copyright (C) 2015
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 <Hadrons/MQuark.hpp>
using namespace Grid;
using namespace Hadrons;
/******************************************************************************
* MQuark implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
MQuark::MQuark(const std::string &name)
: Module(name)
{}
// parse parameters
void MQuark::parseParameters(XmlReader &reader, const std::string &name)
{
read(reader, name, par_);
}
// dependency relation
std::vector<std::string> MQuark::getInput(void)
{
return std::vector<std::string>();
}
std::vector<std::string> MQuark::getOutput(void)
{
std::vector<std::string> out = {getName(), getName() + "_5d"};
return out;
}
// allocation //////////////////////////////////////////////////////////////////
void MQuark::allocate(Environment &env)
{
env.addProp(getName());
quark_ = env.getProp(getName());
if (par_.Ls > 1)
{
env.addProp(getName() + "_5d", par_.Ls);
quark5d_ = env.getProp(getName() + "_5d");
}
}
// execution
void MQuark::execute(Environment &env)
{
LOG(Message) << "computing quark propagator '" << getName() << "'"
<< std::endl;
GridCartesian *g4d = env.get4dGrid(),
*g5d = env.get5dGrid(par_.Ls);
GridRedBlackCartesian *gRb4d = env.getRb4dGrid(),
*gRb5d = env.getRb5dGrid(par_.Ls);
LatticeGaugeField &Umu = *env.getGauge();
LatticeFermion src(g5d); src=zero;
LatticeFermion result(g5d); result=zero;
RealD mass=0.1;
RealD M5=1.8;
DomainWallFermionR Ddwf(Umu, *g5d, *gRb5d, *g4d, *gRb4d, mass, M5);
ConjugateGradient<LatticeFermion> CG(1.0e-8,10000);
SchurRedBlackDiagMooeeSolve<LatticeFermion> SchurSolver(CG);
SchurSolver(Ddwf,src,result);
}