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Added more complete test of sequential insertion of conserved current.
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Lanny91
@@ -48,4 +48,5 @@ See the full license in the file "LICENSE" in the top level distribution directo
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#include <Grid/Hadrons/Modules/MSource/SeqGamma.hpp>
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#include <Grid/Hadrons/Modules/MSource/Wall.hpp>
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#include <Grid/Hadrons/Modules/MSource/Z2.hpp>
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#include <Grid/Hadrons/Modules/MUtilities/TestSeqConserved.hpp>
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#include <Grid/Hadrons/Modules/Quark.hpp>
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166
extras/Hadrons/Modules/MUtilities/TestSeqConserved.hpp
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166
extras/Hadrons/Modules/MUtilities/TestSeqConserved.hpp
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@@ -0,0 +1,166 @@
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/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: extras/Hadrons/Modules/MUtilities/TestSeqConserved.hpp
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Copyright (C) 2017
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Author: Andrew Lawson <andrew.lawson1991@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_TestSeqConserved_hpp_
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#define Hadrons_TestSeqConserved_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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Ward Identity contractions using sequential propagators.
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-----------------------------
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* options:
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- q: point source propagator, 5D if available (string)
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- q4d: 4D point source propagator, duplicate of q if q is 4D (string)
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- qSeq: result of sequential insertion of conserved current using q (string)
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- action: action used for computation of q (string)
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- origin: string giving point source origin of q (string)
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- t_J: time at which sequential current is inserted (int)
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- mu: Lorentz index of current inserted (int)
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- curr: current type, e.g. vector/axial (Current)
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*/
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/******************************************************************************
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* TestSeqConserved *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MUtilities)
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class TestSeqConservedPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(TestSeqConservedPar,
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std::string, q,
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std::string, q4d,
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std::string, qSeq,
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std::string, action,
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std::string, origin,
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unsigned int, t_J,
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unsigned int, mu,
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Current, curr);
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};
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template <typename FImpl>
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class TTestSeqConserved: public Module<TestSeqConservedPar>
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{
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public:
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TYPE_ALIASES(FImpl,);
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public:
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// constructor
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TTestSeqConserved(const std::string name);
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// destructor
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virtual ~TTestSeqConserved(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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// 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(TestSeqConserved, TTestSeqConserved<FIMPL>, MUtilities);
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/******************************************************************************
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* TTestSeqConserved implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl>
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TTestSeqConserved<FImpl>::TTestSeqConserved(const std::string name)
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: Module<TestSeqConservedPar>(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> TTestSeqConserved<FImpl>::getInput(void)
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{
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std::vector<std::string> in = {par().q, par().q4d,
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par().qSeq, par().action};
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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> TTestSeqConserved<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 TTestSeqConserved<FImpl>::setup(void)
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{
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TTestSeqConserved<FImpl>::execute(void)
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{
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PropagatorField tmp(env().getGrid());
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PropagatorField &q = *env().template getObject<PropagatorField>(par().q);
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PropagatorField &q4d = *env().template getObject<PropagatorField>(par().q4d);
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PropagatorField &qSeq = *env().template getObject<PropagatorField>(par().qSeq);
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FMat &act = *(env().template getObject<FMat>(par().action));
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Gamma g5(Gamma::Algebra::Gamma5);
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SitePropagator qSite;
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LatticeComplex c(env().getGrid());
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Complex seq_res, check_res;
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std::vector<TComplex> check_buf;
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// Check sequential insertion of current gives same result as conserved
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// current sink upon contraction. Assume q uses a point source.
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std::vector<int> siteCoord;
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siteCoord = strToVec<int>(par().origin);
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peekSite(qSite, q, siteCoord);
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seq_res = trace(g5*qSite);
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act.ContractConservedCurrent(q, q, tmp, par().curr, par().mu);
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c = trace(tmp);
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sliceSum(c, check_buf, Tp);
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check_res = TensorRemove(check_buf[par().t_J]);
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// Check difference = 0
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check_res -= seq_res;
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LOG(Message) << "Consistency check for sequential conserved "
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<< par().curr << " current insertion = " << abs(check_res)
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<< std::endl;
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}
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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#endif // Hadrons_TestSeqConserved_hpp_
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@@ -29,5 +29,6 @@ modules_hpp =\
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Modules/MSource/SeqGamma.hpp \
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Modules/MSource/Wall.hpp \
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Modules/MSource/Z2.hpp \
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Modules/MUtilities/TestSeqConserved.hpp \
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Modules/Quark.hpp
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