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128 lines
2.9 KiB
C++
128 lines
2.9 KiB
C++
/*************************************************************************************
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Grid physics library, www.github.com/paboyle/Grid
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Source file: ./lib/qcd/action/gauge/WilsonGaugeAction.h
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Copyright (C) 2016
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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 HMC_MODULES_H
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#define HMC_MODULES_H
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/*
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Define loadable, serializable modules
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for the HMC execution
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*/
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NAMESPACE_BEGIN(Grid);
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// Empty class for no parameters
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class NoParameters{};
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/*
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Base class for modules with parameters
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*/
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template < class P >
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class Parametrized{
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public:
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typedef P Parameters;
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Parametrized(Parameters Par):Par_(Par){};
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template <class ReaderClass>
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Parametrized(Reader<ReaderClass> & R, std::string section_name = "parameters"){
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read(R, section_name, Par_);
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}
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void set_parameters(Parameters Par){
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Par_ = Par;
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}
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void print_parameters(){
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std::cout << Par_ << std::endl;
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}
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protected:
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Parameters Par_;
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private:
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std::string section_name;
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};
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template <>
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class Parametrized<NoParameters>{
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public:
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typedef NoParameters Parameters;
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Parametrized(Parameters Par){};
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template <class ReaderClass>
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Parametrized(Reader<ReaderClass> & Reader){};
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void set_parameters(Parameters Par){}
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void print_parameters(){}
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};
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////////////////////////////////////////
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// Lowest level abstract module class
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////////////////////////////////////////
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template <class Prod>
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class HMCModuleBase {
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public:
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typedef Prod Product;
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virtual Prod* getPtr() = 0;
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// add a getReference?
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virtual void print_parameters(){}; // default to nothing
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};
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/////////////////////////////////////////////
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// Registration class
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/////////////////////////////////////////////
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template <class T, class TheFactory>
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class Registrar {
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public:
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Registrar(std::string className) {
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// register the class factory function
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TheFactory::getInstance().registerBuilder(className,
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[&](typename TheFactory::TheReader Reader)
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{
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return std::unique_ptr<T>(new T(Reader));
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}
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);
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}
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};
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NAMESPACE_END(Grid);
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#endif //HMC_MODULES_H
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