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135 lines
4.5 KiB
C++
135 lines
4.5 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: Hadrons/Modules/MAction/Wilson.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_MAction_Wilson_hpp_
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#define Hadrons_MAction_Wilson_hpp_
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#include <Hadrons/Global.hpp>
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#include <Hadrons/Module.hpp>
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#include <Hadrons/ModuleFactory.hpp>
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BEGIN_HADRONS_NAMESPACE
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/******************************************************************************
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* TWilson quark action *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MAction)
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class WilsonPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(WilsonPar,
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std::string, gauge,
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double , mass,
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std::string, boundary,
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std::string, string,
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std::string, twist);
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};
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template <typename FImpl>
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class TWilson: public Module<WilsonPar>
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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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TWilson(const std::string name);
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// destructor
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virtual ~TWilson(void) {};
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// dependencies/products
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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(Wilson, TWilson<FIMPL>, MAction);
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#ifdef GRID_DEFAULT_PRECISION_DOUBLE
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MODULE_REGISTER_TMP(WilsonF, TWilson<FIMPLF>, MAction);
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#endif
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/******************************************************************************
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* TWilson template implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename FImpl>
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TWilson<FImpl>::TWilson(const std::string name)
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: Module<WilsonPar>(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> TWilson<FImpl>::getInput(void)
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{
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std::vector<std::string> in = {par().gauge};
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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> TWilson<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 TWilson<FImpl>::setup(void)
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{
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LOG(Message) << "Setting up Wilson fermion matrix with m= " << par().mass
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<< " using gauge field '" << par().gauge << "'" << std::endl;
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LOG(Message) << "Fermion boundary conditions: " << par().boundary
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<< std::endl;
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auto &U = envGet(GaugeField, par().gauge);
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auto &grid = *envGetGrid(FermionField);
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auto &gridRb = *envGetRbGrid(FermionField);
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typename WilsonFermion<FImpl>::ImplParams implParams;
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implParams.boundary_phases = strToVec<Complex>(par().boundary);
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implParams.twist_n_2pi_L = strToVec<Real>(par().twist);
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envCreateDerived(FMat, WilsonFermion<FImpl>, getName(), 1, U, grid, gridRb,
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par().mass, implParams);
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename FImpl>
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void TWilson<FImpl>::execute()
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{}
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END_MODULE_NAMESPACE
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END_HADRONS_NAMESPACE
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#endif // Hadrons_Wilson_hpp_
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