gtoc_2.h

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*   act@esa.int                                                             *
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#ifndef PAGMO_PROBLEM_GTOC_2_H
#define PAGMO_PROBLEM_GTOC_2_H

#include <vector>
#include <string>
#include <keplerian_toolbox/epoch.h>
#include <keplerian_toolbox/planet/gtoc2.h>
#include <keplerian_toolbox/sims_flanagan/leg.h>
#include <keplerian_toolbox/sims_flanagan/spacecraft.h>
#include <keplerian_toolbox/sims_flanagan/throttle.h>

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


namespace pagmo { namespace problem {



class __PAGMO_VISIBLE gtoc_2: public base
{
        public:
                enum objective {MASS,TIME,MASS_TIME};
                gtoc_2(int = 815, int = 300, int = 110, int = 47, int = 10, objective = MASS_TIME);
                base_ptr clone() const;
                //void set_sparsity(int &, std::vector<int> &, std::vector<int> &) const;
                std::string get_name() const;
                std::string pretty(const std::vector<double> &x) const;
        protected:
                void objfun_impl(fitness_vector &, const decision_vector &) const;
                void compute_constraints_impl(constraint_vector &, const decision_vector &) const;
                std::string human_readable_extra() const;
        private:
                template <class Iterator>
                kep_toolbox::sims_flanagan::throttle get_nth_throttle(int n, Iterator it, const kep_toolbox::epoch &start, const kep_toolbox::epoch &end) const
                {
                        Iterator n_it = it + 3 * n;
                        kep_toolbox::array3D tmp = {{ *n_it, *(n_it + 1), *(n_it + 2)}};
                        const double seg_duration = (end.mjd() - start.mjd()) / m_n_seg;
                        return kep_toolbox::sims_flanagan::throttle( kep_toolbox::epoch(start.mjd() + seg_duration * n,kep_toolbox::epoch::MJD),
                                kep_toolbox::epoch(start.mjd() + seg_duration * (n + 1),kep_toolbox::epoch::MJD),
                                tmp);
                }
        private:
                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<int &>(m_n_seg);
                        ar & m_asteroids;
                        ar & m_legs;
                        ar & const_cast< kep_toolbox::sims_flanagan::spacecraft &>(m_spacecraft);
                        ar & m_obj;
                }
                const int                                                                                               m_n_seg;
                std::vector<kep_toolbox::planet::gtoc2>                         m_asteroids;
                mutable std::vector< kep_toolbox::sims_flanagan::leg>   m_legs;
                const kep_toolbox::sims_flanagan::spacecraft                    m_spacecraft;
                objective                                                                                               m_obj;
};

} } // namespaces

BOOST_CLASS_EXPORT_KEY(pagmo::problem::gtoc_2)

#endif