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115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
#ifndef Hadrons_MSink_Point_hpp_
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#define Hadrons_MSink_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 *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MSink)
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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, mom);
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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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SINK_TYPE_ALIASES();
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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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// 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>, MSink);
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MODULE_REGISTER_NS(ScalarPoint, TPoint<ScalarImplCR>, MSink);
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/******************************************************************************
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* TPoint 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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unsigned int size;
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size = env().template lattice4dSize<LatticeComplex>();
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env().registerObject(getName(), size);
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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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std::vector<Real> p = strToVec<Real>(par().mom);
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LatticeComplex ph(env().getGrid()), coor(env().getGrid());
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Complex i(0.0,1.0);
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LOG(Message) << "Setting up point sink function for momentum ["
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<< par().mom << "]" << std::endl;
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ph = zero;
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for(unsigned int mu = 0; mu < env().getNd(); mu++)
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{
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LatticeCoordinate(coor, mu);
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ph = ph + (p[mu]/env().getGrid()->_fdimensions[mu])*coor;
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}
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ph = exp((Real)(2*M_PI)*i*ph);
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auto sink = [ph](const PropagatorField &field)
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{
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SlicedPropagator res;
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PropagatorField tmp = ph*field;
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sliceSum(tmp, res, Tp);
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return res;
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};
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env().setObject(getName(), new SinkFn(sink));
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}
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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#endif // Hadrons_MSink_Point_hpp_
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