gsl_derivative_free.h

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#ifndef PAGMO_ALGORITHM_GSL_DERIVATIVE_FREE_H
#define PAGMO_ALGORITHM_GSL_DERIVATIVE_FREE_H

#include <cstddef>
#include <gsl/gsl_multimin.h>
#include <gsl/gsl_vector.h>
#include <string>

#include "../config.h"
#include "../population.h"
#include "../serialization.h"
#include "base_gsl.h"

namespace pagmo { namespace algorithm {


class __PAGMO_VISIBLE gsl_derivative_free: public base_gsl
{
        public:
                std::string human_readable_extra() const;
                void evolve(population &) const;
        protected:
                gsl_derivative_free(int, const double &, const double &);

                virtual const gsl_multimin_fminimizer_type *get_gsl_minimiser_ptr() const = 0;
        private:
                static void cleanup(gsl_vector *, gsl_vector *, gsl_multimin_fminimizer *);
                static void check_allocs(gsl_vector *, gsl_vector *, gsl_multimin_fminimizer *);
        private:
                friend class boost::serialization::access;
                template <class Archive>
                void serialize(Archive &ar, const unsigned int)
                {
                        ar & boost::serialization::base_object<base_gsl>(*this);
                        ar & const_cast<std::size_t &>(m_max_iter);
                        ar & const_cast<double &>(m_tol);
                        ar & const_cast<double &>(m_step_size);
                }
                const std::size_t       m_max_iter;
                const double            m_tol;
                const double            m_step_size;
};

} }

BOOST_SERIALIZATION_ASSUME_ABSTRACT(pagmo::algorithm::gsl_derivative_free)

#endif