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Grid/extras/Hadrons/Modules/MSource/Point.hpp

136 lines
3.9 KiB
C++

/*******************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: programs/Hadrons/TPoint.hpp
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.
*******************************************************************************/
#ifndef Hadrons_Point_hpp_
#define Hadrons_Point_hpp_
#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/*
Point source
------------
* src_x = delta_x,position
* options:
- position: space-separated integer sequence (e.g. "0 1 1 0")
*/
/******************************************************************************
* TPoint *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MSource)
class PointPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(PointPar,
std::string, position);
};
template <typename FImpl>
class TPoint: public Module<PointPar>
{
public:
TYPE_ALIASES(FImpl,);
public:
// constructor
TPoint(const std::string name);
// destructor
virtual ~TPoint(void) = default;
// dependency relation
virtual std::vector<std::string> getInput(void);
virtual std::vector<std::string> getOutput(void);
// setup
virtual void setup(void);
// execution
virtual void execute(void);
};
/******************************************************************************
* TPoint template implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TPoint<FImpl>::TPoint(const std::string name)
: Module<PointPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TPoint<FImpl>::getInput(void)
{
std::vector<std::string> in;
return in;
}
template <typename FImpl>
std::vector<std::string> TPoint<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TPoint<FImpl>::setup(void)
{
env().template registerLattice<PropagatorField>(getName());
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TPoint<FImpl>::execute(void)
{
std::vector<int> position = strToVec<int>(par().position);
typename SitePropagator::scalar_object id;
LOG(Message) << "Creating point source at position [" << par().position
<< "]" << std::endl;
PropagatorField &src = *env().template createLattice<PropagatorField>(getName());
id = 1.;
src = zero;
pokeSite(id, src, position);
}
typedef TPoint<FIMPL> Point;
END_MODULE_NAMESPACE
MODULE_REGISTER_NS(Point, MSource);
END_HADRONS_NAMESPACE
#endif // Hadrons_Point_hpp_