hv2d.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_UTIL_HV_ALGORITHM_HV2D_H
#define PAGMO_UTIL_HV_ALGORITHM_HV2D_H

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>

#include "base.h"

namespace pagmo { namespace util { namespace hv_algorithm {


class __PAGMO_VISIBLE hv2d : public base
{
public:
        hv2d(const bool initial_sorting = true);
        double compute(std::vector<fitness_vector> &, const fitness_vector &) const;
        double compute(double**, unsigned int n_points, double*) const;
        std::vector<double> contributions(std::vector<fitness_vector> &, const fitness_vector &) const;

        void verify_before_compute(const std::vector<fitness_vector> &, const fitness_vector &) const;
        base_ptr clone() const;
        std::string get_name() const;

private:
        // Flag stating whether the points should be sorted in the first step of the algorithm.
        const bool m_initial_sorting;

        static bool point_pairs_cmp(const std::pair<fitness_vector, unsigned int> &, const std::pair<fitness_vector, unsigned int> &);

        static bool cmp_double_2d(double*, double*);

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

} } }

BOOST_CLASS_EXPORT_KEY(pagmo::util::hv_algorithm::hv2d)

#endif