lennard_jones.h

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#ifndef PAGMO_PROBLEM_LENNARD_JONES_H
#define PAGMO_PROBLEM_LENNARD_JONES_H

#include <string>
#include <vector>

#include "../serialization.h"
#include "../types.h"
#include "base.h"

namespace pagmo{ namespace problem {


class __PAGMO_VISIBLE lennard_jones : public base
{
        public:
                lennard_jones(int = 3);
                base_ptr clone() const;
                std::string get_name() const;
        protected:
                void objfun_impl(fitness_vector &, const decision_vector &) const;
        private:
                static double r(const int& atom, const int& coord, const std::vector <double>& x);
                friend class boost::serialization::access;
                template <class Archive>
                void serialize(Archive &ar, const unsigned int)
                {
                        ar & boost::serialization::base_object<base>(*this);
                }
};

}} //namespaces

BOOST_CLASS_EXPORT_KEY(pagmo::problem::lennard_jones)

#endif // PAGMO_PROBLEM_LENNARD_JONES_H