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Grid/Hadrons/Modules/MUtilities/PrecisionCast.hpp

125 lines
4.3 KiB
C++

/*************************************************************************************
Grid physics library, www.github.com/paboyle/Grid
Source file: Hadrons/Modules/MUtilities/PrecisionCast.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_MUtilities_PrecisionCast_hpp_
#define Hadrons_MUtilities_PrecisionCast_hpp_
#include <Hadrons/Global.hpp>
#include <Hadrons/Module.hpp>
#include <Hadrons/ModuleFactory.hpp>
BEGIN_HADRONS_NAMESPACE
/******************************************************************************
* Precision cast module *
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MUtilities)
class PrecisionCastPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(PrecisionCastPar,
std::string, field);
};
template <typename FieldIn, typename FieldOut>
class TPrecisionCast: public Module<PrecisionCastPar>
{
public:
// constructor
TPrecisionCast(const std::string name);
// destructor
virtual ~TPrecisionCast(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(GaugeSinglePrecisionCast,
ARG(TPrecisionCast<GIMPLD::GaugeField, GIMPLF::GaugeField>),
MUtilities);
MODULE_REGISTER_TMP(FermionSinglePrecisionCast,
ARG(TPrecisionCast<FIMPLD::FermionField, FIMPLF::FermionField>),
MUtilities);
/******************************************************************************
* TPrecisionCast implementation *
******************************************************************************/
// constructor /////////////////////////////////////////////////////////////////
template <typename FieldIn, typename FieldOut>
TPrecisionCast<FieldIn, FieldOut>::TPrecisionCast(const std::string name)
: Module<PrecisionCastPar>(name)
{}
// dependencies/products ///////////////////////////////////////////////////////
template <typename FieldIn, typename FieldOut>
std::vector<std::string> TPrecisionCast<FieldIn, FieldOut>::getInput(void)
{
std::vector<std::string> in = {par().field};
return in;
}
template <typename FieldIn, typename FieldOut>
std::vector<std::string> TPrecisionCast<FieldIn, FieldOut>::getOutput(void)
{
std::vector<std::string> out = {getName()};
return out;
}
// setup ///////////////////////////////////////////////////////////////////////
template <typename FieldIn, typename FieldOut>
void TPrecisionCast<FieldIn, FieldOut>::setup(void)
{
envCreateLat(FieldOut, getName());
}
// execution ///////////////////////////////////////////////////////////////////
template <typename FieldIn, typename FieldOut>
void TPrecisionCast<FieldIn, FieldOut>::execute(void)
{
LOG(Message) << "Casting field '" << par().field << "'" << std::endl;
LOG(Message) << "In type: " << typeName<FieldIn>() << std::endl;
LOG(Message) << "Out type: " << typeName<FieldOut>() << std::endl;
auto &in = envGet(FieldIn, par().field);
auto &out = envGet(FieldOut, getName());
precisionChange(out, in);
}
END_MODULE_NAMESPACE
END_HADRONS_NAMESPACE
#endif // Hadrons_MUtilities_PrecisionCast_hpp_