snopt.h

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#ifndef PAGMO_ALGORITHM_SNOPT_H
#define PAGMO_ALGORITHM_SNOPT_H

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

namespace pagmo { namespace algorithm {


class __PAGMO_VISIBLE snopt: public base
{
public:

        snopt(const int major = 100,const double feas=1e-10, const double opt = 1e-4);
        base_ptr clone() const;
        void evolve(population &) const;
        void file_output(const bool);
        std::string get_name() const;

        //This structure contains one decision vector and one constraint vector as to allow
        //the static snopt function not to allocate any memory.
        struct preallocated_memory{
                decision_vector x;
                constraint_vector c;
                fitness_vector f;
                template <class Archive>
                void serialize(Archive &ar, const unsigned int)
                {
                        ar & x;
                        ar & c;
                        ar & f;
                }
        };
protected:
        std::string human_readable_extra() const;

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_major);
                ar & const_cast<double &>(m_feas);
                ar & const_cast<double &>(m_opt);
                ar & m_file_out;
                ar & di_comodo;
        }  
        const int m_major;
        const double m_feas;
        const double m_opt;
        bool m_file_out;

        mutable preallocated_memory di_comodo;
};

}} //namespaces

BOOST_CLASS_EXPORT_KEY(pagmo::algorithm::snopt)

#endif