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Grid/Hadrons/Modules/MContraction/A2ALoop.hpp

124 lines
3.8 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MContraction/A2ALoop.hpp
Copyright (C) 2015-2019
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
*************************************************************************************/
/* END LEGAL */
#ifndef Hadrons_MContraction_A2ALoop_hpp_
#define Hadrons_MContraction_A2ALoop_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* From closed loop from all-to-all vectors *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MContraction)
class A2ALoopPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(A2ALoopPar,
std::string, left,
std::string, right);
};
template <typename FImpl>
class TA2ALoop: public Module<A2ALoopPar>
{
public:
FERM_TYPE_ALIASES(FImpl,);
public:
// constructor
TA2ALoop(const std::string name);
// destructor
virtual ~TA2ALoop(void) {};
// 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);
};
MODULE_REGISTER_TMP(A2ALoop, TA2ALoop<FIMPL>, MContraction);
/******************************************************************************
* TA2ALoop implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FImpl>
TA2ALoop<FImpl>::TA2ALoop(const std::string name)
: Module<A2ALoopPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FImpl>
std::vector<std::string> TA2ALoop<FImpl>::getInput(void)
{
std::vector<std::string> in = {par().left, par().right};
return in;
}
template <typename FImpl>
std::vector<std::string> TA2ALoop<FImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FImpl>
void TA2ALoop<FImpl>::setup(void)
{
envCreateLat(PropagatorField, getName());
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FImpl>
void TA2ALoop<FImpl>::execute(void)
{
auto &loop = envGet(PropagatorField, getName());
auto &left = envGet(std::vector<FermionField>, par().left);
auto &right = envGet(std::vector<FermionField>, par().right);
loop = zero;
for (unsigned int i = 0; i < left.size(); ++i)
{
loop += outerProduct(adj(left[i]), right[i]);
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MContraction_A2ALoop_hpp_