EnergyContainer.hpp

/*
    dmcut2, a library for Monte-Carlo simulations at surfaces
    Copyright (C) 2008 Mathias Laurin <mathias_laurin@users.sourceforge.net>

    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.
*/
#ifndef DMCUT2_INTERACTIONS_ENERGY_CONTAINER_HPP
#define DMCUT2_INTERACTIONS_ENERGY_CONTAINER_HPP

#include <string>
#include <tr1/tuple>
#include <ml_container/associative_vector.hpp>
#include "Species.hpp"

namespace Surface { class Site; }

namespace Interactions {
namespace TwoBody {
class EnergyContainer {
        
        typedef std::tr1::tuple<Surface::Species, std::string, Surface::Species, std::string> lookup_key;
        
        typedef ml_container::associative_vector< lookup_key, double > container_type;

public:

        typedef container_type::key_type key_type;
        typedef container_type::value_type value_type;
        typedef container_type::mapped_type mapped_type;
        typedef container_type::reference reference;
        typedef container_type::const_reference const_reference;
        
        reference operator[](const key_type& k)
        { return container_[k]; }
        
        mapped_type operator()(const Surface::Site* const one_site_ptr, const Surface::Site* const other_site_ptr) const;
        
private:
        container_type container_;      
};
} // TwoBody
} // Interactions
#endif

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