hv_best_s_policy.h

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 *   Copyright (C) 2004-2015 The PaGMO development team,                     *
 *   Advanced Concepts Team (ACT), European Space Agency (ESA)               *
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#ifndef PAGMO_MIGRATION_HV_BEST_S_POLICY_H
#define PAGMO_MIGRATION_HV_BEST_S_POLICY_H

#include <vector>

#include "../config.h"
#include "../population.h"
#include "../serialization.h"
#include "base.h"
#include "base_s_policy.h"

namespace pagmo { namespace migration {


class __PAGMO_VISIBLE hv_best_s_policy: public base_s_policy
{
public:
        hv_best_s_policy(const double &rate = 1, rate_type type = absolute, double nadir_eps = 1.0);
        base_s_policy_ptr clone() const;
        std::vector<population::individual_type> select(population &) const;
private:
        const double m_nadir_eps;
        static bool sort_point_pairs_desc(const std::pair<unsigned int, double> &, const std::pair<unsigned int, double> &);

        friend class boost::serialization::access;
        template <class Archive>
        void serialize(Archive &ar, const unsigned int)
        {
                ar & boost::serialization::base_object<base_s_policy>(*this);
                ar & const_cast<double &>(m_nadir_eps);
        }
};

} }

BOOST_CLASS_EXPORT_KEY(pagmo::migration::hv_best_s_policy)

#endif