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135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: extras/Hadrons/Modules/MLoop/NoiseLoop.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_MLoop_NoiseLoop_hpp_
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#define Hadrons_MLoop_NoiseLoop_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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Noise loop propagator
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-----------------------------
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* loop_x = q_x * adj(eta_x)
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* options:
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- q = Result of inversion on noise source.
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- eta = noise source.
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*/
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/******************************************************************************
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* NoiseLoop *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MLoop)
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class NoiseLoopPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(NoiseLoopPar,
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std::string, q,
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std::string, eta);
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};
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template <typename FImpl>
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class TNoiseLoop: public Module<NoiseLoopPar>
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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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TNoiseLoop(const std::string name);
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// destructor
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virtual ~TNoiseLoop(void) {};
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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_TMP(NoiseLoop, TNoiseLoop<FIMPL>, MLoop);
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/******************************************************************************
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* TNoiseLoop implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl>
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TNoiseLoop<FImpl>::TNoiseLoop(const std::string name)
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: Module<NoiseLoopPar>(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> TNoiseLoop<FImpl>::getInput(void)
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{
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std::vector<std::string> in = {par().q, par().eta};
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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> TNoiseLoop<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 TNoiseLoop<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 TNoiseLoop<FImpl>::execute(void)
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{
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auto &loop = envGet(PropagatorField, getName());
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auto &q = envGet(PropagatorField, par().q);
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auto &eta = envGet(PropagatorField, par().eta);
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loop = q*adj(eta);
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}
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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#endif // Hadrons_MLoop_NoiseLoop_hpp_
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