MyTMINLP.hpp

Go to the documentation of this file.

// (C) Copyright Carnegie Mellon University 2006
// All Rights Reserved.
// This code is published under the Eclipse Public License.
//
// Authors :
// P. Bonami, Carnegie Mellon University
//
// Date :  03/17/2006
#ifndef MyTNLP_HPP
#define MyTNLP_HPP
#include "BonTMINLP.hpp"
using namespace  Ipopt;
using namespace Bonmin;
class MyTMINLP : public TMINLP
{
public:
  MyTMINLP():
printSol_(false){}
  
  virtual ~MyTMINLP(){}

  
  MyTMINLP(const MyTMINLP &other):
printSol_(other.printSol_){}
  //MyTMINLP& operator=(const MyTMINLP&) {}

  
  virtual bool get_variables_types(Index n, VariableType* var_types);
 
  virtual bool get_variables_linearity(Index n, Ipopt::TNLP::LinearityType* var_types);

  virtual bool get_constraints_linearity(Index m, Ipopt::TNLP::LinearityType* const_types);
    
  virtual bool get_nlp_info(Index& n, Index&m, Index& nnz_jac_g,
                            Index& nnz_h_lag, TNLP::IndexStyleEnum& index_style);
  
  virtual bool get_bounds_info(Index n, Number* x_l, Number* x_u,
                               Index m, Number* g_l, Number* g_u);
  
  virtual bool get_starting_point(Index n, bool init_x, Number* x,
                                  bool init_z, Number* z_L, Number* z_U,
                                  Index m, bool init_lambda,
                                  Number* lambda);
  
  virtual bool eval_f(Index n, const Number* x, bool new_x, Number& obj_value);

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

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

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

  
  virtual void finalize_solution(TMINLP::SolverReturn status,
                                 Index n, const Number* x, Number obj_value);
  

  virtual const SosInfo * sosConstraints() const{return NULL;}
  virtual const BranchingInfo* branchingInfo() const{return NULL;}
  
  
  void printSolutionAtEndOfAlgorithm(){
    printSol_ = true;}
  
private:
   bool printSol_;
};

#endif