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Grid/extras/Hadrons/Modules/MGauge/StoutSmearing.hpp

105 lines
3.1 KiB
C++

#ifndef Hadrons_MGauge_StoutSmearing_hpp_
#define Hadrons_MGauge_StoutSmearing_hpp_
#include <Grid/Hadrons/Global.hpp>
#include <Grid/Hadrons/Module.hpp>
#include <Grid/Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Stout smearing *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MGauge)
class StoutSmearingPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(StoutSmearingPar,
std::string, gauge,
unsigned int, steps,
double, rho);
};
template <typename GImpl>
class TStoutSmearing: public Module<StoutSmearingPar>
{
public:
typedef typename GImpl::Field GaugeField;
public:
// constructor
TStoutSmearing(const std::string name);
// destructor
virtual ~TStoutSmearing(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(StoutSmearing, TStoutSmearing<GIMPL>, MGauge);
/******************************************************************************
* TStoutSmearing implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename GImpl>
TStoutSmearing<GImpl>::TStoutSmearing(const std::string name)
: Module<StoutSmearingPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename GImpl>
std::vector<std::string> TStoutSmearing<GImpl>::getInput(void)
{
std::vector<std::string> in = {par().gauge};
return in;
}
template <typename GImpl>
std::vector<std::string> TStoutSmearing<GImpl>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename GImpl>
void TStoutSmearing<GImpl>::setup(void)
{
envCreateLat(GaugeField, getName());
envTmpLat(GaugeField, "buf");
}
// execution ///////////////////////////////////////////////////////////////////
template <typename GImpl>
void TStoutSmearing<GImpl>::execute(void)
{
LOG(Message) << "Smearing '" << par().gauge << "' with " << par().steps
<< " step" << ((par().steps > 1) ? "s" : "")
<< " of stout smearing and rho= " << par().rho << std::endl;
Smear_Stout<GImpl> smearer(par().rho);
auto &U = envGet(GaugeField, par().gauge);
auto &Usmr = envGet(GaugeField, getName());
envGetTmp(GaugeField, buf);
buf = U;
for (unsigned int n = 0; n < par().steps; ++n)
{
smearer.smear(Usmr, buf);
buf = Usmr;
}
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MGauge_StoutSmearing_hpp_