/home/coin/svn-release/OS-2.10.0/OS/src/OSSolverInterfaces/OSIpoptSolver.h

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/* $Id: OSIpoptSolver.h 4996 2015-04-14 20:38:45Z Gassmann $ */
#ifndef IPOPTSOLVER_H
#define IPOPTSOLVER_H

#include "OSConfig.h"
#include "OSDefaultSolver.h"
#include "OSrLWriter.h"
#include "OSInstance.h"
#include "OSParameters.h"
#include "OSnLNode.h"
#include "OSiLReader.h"
#include "OSoLReader.h"
#include "OSInstance.h"
#include "OSExpressionTree.h"
#include "OSnLNode.h"
#include "OSGeneral.h"
#include "OSFileUtil.h"
#include "OSErrorClass.h"

#include "OSResult.h"
#include "OSInstance.h"
#include "OSOption.h"

#include <cstddef>
#include <cstdlib>
#include <cctype>
#include <cassert>
#include <stack>
#include <string>
#include <iostream>
#include <vector>
#include <map>


#include "IpTNLP.hpp"
#include "IpIpoptApplication.hpp"

// for Stefan
class IpoptProblem : public Ipopt::TNLP
{
public:

    IpoptProblem(OSInstance *osinstance_ , OSOption *osoption_, OSResult *osresult_, std::string *ipoptErrorMsg_);

    virtual ~IpoptProblem();


    OSInstance *osinstance;

    OSOption *osoption;

    OSResult *osresult;

    std::string *ipoptErrorMsg;

    virtual bool get_nlp_info(Ipopt::Index& n, Ipopt::Index& m, Ipopt::Index& nnz_jac_g,
                              Ipopt::Index& nnz_h_lag, IndexStyleEnum& index_style);

    virtual bool get_bounds_info(Ipopt::Index n, Ipopt::Number* x_l, Ipopt::Number* x_u,
                                 Ipopt::Index m, Ipopt::Number* g_l, Ipopt::Number* g_u);

    virtual bool get_starting_point(Ipopt::Index n, bool init_x, Ipopt::Number* x,
                                    bool init_z, Ipopt::Number* z_L, Ipopt::Number* z_U,
                                    Ipopt::Index m, bool init_lambda,
                                    Ipopt::Number* lambda);

    virtual bool eval_f(Ipopt::Index n, const Ipopt::Number* x, bool new_x, Ipopt::Number& obj_value);

    virtual bool eval_grad_f(Ipopt::Index n, const Ipopt::Number* x, bool new_x, Ipopt::Number* grad_f);

    virtual bool eval_g(Ipopt::Index n, const Ipopt::Number* x, bool new_x, Ipopt::Index m, Ipopt::Number* g);

    virtual bool eval_jac_g(Ipopt::Index n, const Ipopt::Number* x, bool new_x,
                            Ipopt::Index m, Ipopt::Index nele_jac, Ipopt::Index* iRow, Ipopt::Index *jCol,
                            Ipopt::Number* values);

    virtual bool eval_h(Ipopt::Index n, const Ipopt::Number* x, bool new_x,
                        Ipopt::Number obj_factor, Ipopt::Index m, const Ipopt::Number* lambda,
                        bool new_lambda, Ipopt::Index nele_hess, Ipopt::Index* iRow,
                        Ipopt::Index* jCol, Ipopt::Number* values);



    virtual bool get_scaling_parameters(Ipopt::Number& obj_scaling,
                                        bool& use_x_scaling, Ipopt::Index n,
                                        Ipopt::Number* x_scaling,
                                        bool& use_g_scaling, Ipopt::Index m,
                                        Ipopt::Number* g_scaling);

    virtual void finalize_solution(Ipopt::SolverReturn status,
                                   Ipopt::Index n, const Ipopt::Number* x, const Ipopt::Number* z_L, const Ipopt::Number* z_U,
                                   Ipopt::Index m, const Ipopt::Number* g, const Ipopt::Number* lambda,
                                   Ipopt::Number obj_value,
                                   const Ipopt::IpoptData* ip_data,
                                   Ipopt::IpoptCalculatedQuantities* ip_cq);



private:
    //  HS071_NLP();
    IpoptProblem(const IpoptProblem&);
    IpoptProblem& operator=(const IpoptProblem&);

};


//class IpoptSolver : public DefaultSolver, public TNLP{

class IpoptSolver : public DefaultSolver
{
public:

    IpoptSolver();

    ~IpoptSolver();

    Ipopt::SmartPtr<Ipopt::TNLP> nlp;

    Ipopt::SmartPtr<Ipopt::IpoptApplication> app;


    virtual void  solve() throw (ErrorClass) ;

    virtual void  buildSolverInstance() throw(ErrorClass);

    virtual void  setSolverOptions() throw(ErrorClass);

    void dataEchoCheck();

    OSiLReader *m_osilreader;

    OSoLReader *m_osolreader;


private:
    OSrLWriter  *osrlwriter;

    //  IpoptSolver();
    //IpoptSolver(const IpoptSolver&);
    //IpoptSolver& operator=(const IpoptSolver&);
    //std::string ipoptErrorMsg;
    std::string *ipoptErrorMsg;
};


#endif /*IPOPTSOLVER_H*/

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