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https://github.com/paboyle/Grid.git
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139 lines
4.0 KiB
C++
139 lines
4.0 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: extras/Hadrons/Modules/MSource/Point.hpp
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Copyright (C) 2015-2018
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Author: Antonin Portelli <antonin.portelli@me.com>
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Author: Lanny91 <andrew.lawson@gmail.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_MSource_Point_hpp_
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#define Hadrons_MSource_Point_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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Point source
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------------
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* src_x = delta_x,position
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* options:
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- position: space-separated integer sequence (e.g. "0 1 1 0")
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*/
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/******************************************************************************
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* TPoint *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MSource)
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class PointPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(PointPar,
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std::string, position);
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};
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template <typename FImpl>
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class TPoint: public Module<PointPar>
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{
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public:
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FERM_TYPE_ALIASES(FImpl,);
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public:
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// constructor
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TPoint(const std::string name);
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// destructor
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virtual ~TPoint(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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protected:
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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(Point, TPoint<FIMPL>, MSource);
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MODULE_REGISTER_NS(ScalarPoint, TPoint<ScalarImplCR>, MSource);
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/******************************************************************************
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* TPoint template implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl>
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TPoint<FImpl>::TPoint(const std::string name)
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: Module<PointPar>(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> TPoint<FImpl>::getInput(void)
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{
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std::vector<std::string> in;
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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> TPoint<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 TPoint<FImpl>::setup(void)
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{
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envCreateLat(PropagatorField, getName());
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TPoint<FImpl>::execute(void)
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{
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LOG(Message) << "Creating point source at position [" << par().position
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<< "]" << std::endl;
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std::vector<int> position = strToVec<int>(par().position);
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auto &src = envGet(PropagatorField, getName());
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SitePropagator id;
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id = 1.;
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src = zero;
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pokeSite(id, src, position);
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}
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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#endif // Hadrons_MSource_Point_hpp_
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