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IpTNLPReducer.hpp
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1 // Copyright (C) 2008 International Business Machines and others.
2 // All Rights Reserved.
3 // This code is published under the Eclipse Public License.
4 //
5 // $Id: IpTNLPReducer.hpp 1861 2010-12-21 21:34:47Z andreasw $
6 //
7 // Authors: Andreas Waechter IBM 2008-08-10
8 
9 #ifndef __IPTNLPREDUCER_HPP__
10 #define __IPTNLPREDUCER_HPP__
11 
12 #include "IpTNLP.hpp"
13 
14 namespace Ipopt
15 {
23  class TNLPReducer : public TNLP
24  {
25  public:
31  TNLPReducer(TNLP& tnlp, Index n_g_skip, const Index* index_g_skip,
32  Index n_xL_skip, const Index* index_xL_skip,
33  Index n_xU_skip, const Index* index_xU_skip,
34  Index n_x_fix, const Index* index_f_fix);
35 
37  virtual ~TNLPReducer();
39 
41  virtual bool get_nlp_info(Index& n, Index& m, Index& nnz_jac_g,
42  Index& nnz_h_lag, IndexStyleEnum& index_style);
43 
44  virtual bool get_bounds_info(Index n, Number* x_l, Number* x_u,
45  Index m, Number* g_l, Number* g_u);
46 
48  bool& use_x_scaling, Index n,
50  bool& use_g_scaling, Index m,
51  Number* g_scaling);
52 
53  virtual bool get_variables_linearity(Index n, LinearityType* var_types);
54 
55  virtual bool get_constraints_linearity(Index m, LinearityType* const_types);
56 
57  virtual bool get_starting_point(Index n, bool init_x, Number* x,
58  bool init_z, Number* z_L, Number* z_U,
59  Index m, bool init_lambda,
60  Number* lambda);
61 
62  virtual bool get_warm_start_iterate(IteratesVector& warm_start_iterate);
63 
64  virtual bool eval_f(Index n, const Number* x, bool new_x,
65  Number& obj_value);
66 
67  virtual bool eval_grad_f(Index n, const Number* x, bool new_x,
68  Number* grad_f);
69 
70  virtual bool eval_g(Index n, const Number* x, bool new_x,
71  Index m, Number* g);
72 
73  virtual bool eval_jac_g(Index n, const Number* x, bool new_x,
74  Index m, Index nele_jac, Index* iRow,
75  Index *jCol, Number* values);
76 
77  virtual bool eval_h(Index n, const Number* x, bool new_x,
78  Number obj_factor, Index m, const Number* lambda,
79  bool new_lambda, Index nele_hess,
80  Index* iRow, Index* jCol, Number* values);
81 
82  virtual void finalize_solution(SolverReturn status,
83  Index n, const Number* x, const Number* z_L, const Number* z_U,
84  Index m, const Number* g, const Number* lambda,
85  Number obj_value,
86  const IpoptData* ip_data,
88 
89  virtual bool intermediate_callback(AlgorithmMode mode,
90  Index iter, Number obj_value,
91  Number inf_pr, Number inf_du,
92  Number mu, Number d_norm,
93  Number regularization_size,
94  Number alpha_du, Number alpha_pr,
95  Index ls_trials,
96  const IpoptData* ip_data,
98 
100 
101  virtual bool get_list_of_nonlinear_variables(Index num_nonlin_vars,
102  Index* pos_nonlin_vars);
104 
105  private:
115  TNLPReducer();
116 
118  TNLPReducer(const TNLPReducer&);
119 
121  void operator=(const TNLPReducer&);
123 
130 
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164 
167 
170 
173 
176  };
177 
178 } // namespace Ipopt
179 
180 #endif