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55 lines
1.9 KiB
C++
55 lines
1.9 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/qcd/action/ActionBase.h
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Copyright (C) 2015-2016
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Author: Peter Boyle <paboyle@ph.ed.ac.uk>
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Author: neo <cossu@post.kek.jp>
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Author: Guido Cossu <guido.cossu@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
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directory
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*************************************************************************************/
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/* END LEGAL */
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#ifndef ACTION_BASE_H
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#define ACTION_BASE_H
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NAMESPACE_BEGIN(Grid);
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template <class GaugeField >
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class Action
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{
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public:
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bool is_smeared = false;
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// Heatbath?
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virtual void refresh(const GaugeField& U, GridParallelRNG& pRNG) = 0; // refresh pseudofermions
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virtual RealD S(const GaugeField& U) = 0; // evaluate the action
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virtual void deriv(const GaugeField& U, GaugeField& dSdU) = 0; // evaluate the action derivative
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virtual std::string action_name() = 0; // return the action name
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virtual std::string LogParameters() = 0; // prints action parameters
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virtual ~Action(){}
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};
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NAMESPACE_END(Grid);
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#endif // ACTION_BASE_H
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