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144 lines
4.9 KiB
C++
144 lines
4.9 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: Hadrons/Modules/MGauge/GaugeFix.hpp
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Copyright (C) 2015-2019
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Author: Antonin Portelli <antonin.portelli@me.com>
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Author: Nils Asmussen <n.asmussen@soton.ac.uk>
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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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_MGaugeFix_hpp_
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#define Hadrons_MGaugeFix_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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#include <Grid/qcd/utils/GaugeFix.h>
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BEGIN_HADRONS_NAMESPACE
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/******************************************************************************
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* Fix gauge *
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******************************************************************************/
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BEGIN_MODULE_NAMESPACE(MGauge)
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GRID_SERIALIZABLE_ENUM(Fix, undef, coulomb, Nd - 1, landau, -1);
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class GaugeFixPar: Serializable
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{
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public:
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GRID_SERIALIZABLE_CLASS_MEMBERS(GaugeFixPar,
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std::string, gauge,
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Real, alpha,
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int, maxiter,
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Real, Omega_tol,
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Real, Phi_tol,
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Fix, gaugeFix,
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bool, Fourier);
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};
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template <typename GImpl>
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class TGaugeFix: public Module<GaugeFixPar>
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{
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public:
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GAUGE_TYPE_ALIASES(GImpl,);
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typedef typename GImpl::GaugeLinkField GaugeMat;
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public:
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// constructor
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TGaugeFix(const std::string name);
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// destructor
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virtual ~TGaugeFix(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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// 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(GaugeFix, TGaugeFix<GIMPL>, MGauge);
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/******************************************************************************
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* TGaugeFix implementation *
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******************************************************************************/
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// constructor /////////////////////////////////////////////////////////////////
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template <typename GImpl>
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TGaugeFix<GImpl>::TGaugeFix(const std::string name)
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: Module<GaugeFixPar>(name)
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{}
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// dependencies/products ///////////////////////////////////////////////////////
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template <typename GImpl>
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std::vector<std::string> TGaugeFix<GImpl>::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 GImpl>
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std::vector<std::string> TGaugeFix<GImpl>::getOutput(void)
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{
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std::vector<std::string> out = {getName(), getName()+"_xform"};
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return out;
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}
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// setup ///////////////////////////////////////////////////////////////////////
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template <typename GImpl>
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void TGaugeFix<GImpl>::setup(void)
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{
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envCreateLat(GaugeField, getName());
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envCreateLat(GaugeMat, getName()+"_xform");
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}
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// execution ///////////////////////////////////////////////////////////////////
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template <typename GImpl>
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void TGaugeFix<GImpl>::execute(void)
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//Loads the gauge and fixes it
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{
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std::cout << "executing" << std::endl;
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LOG(Message) << "Fixing the Gauge " << par().gauge << " using "
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<< par().gaugeFix << " guage fixing. " << Nd - 1 << std::endl;
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auto &U = envGet(GaugeField, par().gauge);
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auto &Umu = envGet(GaugeField, getName());
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auto &xform = envGet(GaugeMat, getName()+"_xform");
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LOG(Message) << "Gauge Field fetched" << std::endl;
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//do we allow maxiter etc to be user set?
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Real alpha = par().alpha;
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int maxiter = par().maxiter;
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Real Omega_tol = par().Omega_tol;
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Real Phi_tol = par().Phi_tol;
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int gaugeFix = par().gaugeFix;
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bool Fourier = par().Fourier;
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Umu = U;
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FourierAcceleratedGaugeFixer<PeriodicGimplR>::SteepestDescentGaugeFix(Umu,xform,alpha,maxiter,Omega_tol,Phi_tol,Fourier,gaugeFix);
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LOG(Message) << "Gauge Fixed" << 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_MGaugeFix_hpp_
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