idol
A C++ Framework for Optimization
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Optimizers_PessimisticAsOptimistic.h
1//
2// Created by henri on 20.02.25.
3//
4
5#ifndef IDOL_OPTIMIZERS_PESSIMISTICASOPTIMISTIC_H
6#define IDOL_OPTIMIZERS_PESSIMISTICASOPTIMISTIC_H
7
8#include "idol/general/optimizers/Algorithm.h"
9#include "idol/general/optimizers/OptimizerFactory.h"
10#include "idol/bilevel/modeling/Description.h"
11
12namespace idol::Optimizers::Bilevel {
13 class PessimisticAsOptimistic;
14}
15
17 const ::idol::Bilevel::Description& m_description;
18 std::unique_ptr<OptimizerFactory> m_optimistic_bilevel_optimizer;
19
20 std::optional<Model> m_optimistic_bilevel_model;
21 std::optional<::idol::Bilevel::Description> m_optimistic_bilevel_annotation;
22public:
23 PessimisticAsOptimistic(const Model& t_parent,
24 const ::idol::Bilevel::Description& t_description,
25 const OptimizerFactory& t_optimistic_bilevel_optimizer);
26
27 std::string name() const override;
28
29 SolutionStatus get_status() const override;
30
31 SolutionReason get_reason() const override;
32
33 double get_best_obj() const override;
34
35 double get_best_bound() const override;
36
37 double get_relative_gap() const override;
38
39 double get_absolute_gap() const override;
40
41 double get_var_primal(const Var &t_var) const override;
42
43 double get_var_reduced_cost(const Var &t_var) const override;
44
45 double get_var_ray(const Var &t_var) const override;
46
47 double get_ctr_dual(const Ctr &t_ctr) const override;
48
49 double get_ctr_farkas(const Ctr &t_ctr) const override;
50
51 unsigned int get_n_solutions() const override;
52
53 unsigned int get_solution_index() const override;
54
55protected:
56 void add(const Var &t_var) override;
57
58 void add(const Ctr &t_ctr) override;
59
60 void add(const QCtr &t_ctr) override;
61
62 void remove(const Var &t_var) override;
63
64 void remove(const Ctr &t_ctr) override;
65
66 void remove(const QCtr &t_ctr) override;
67
68 void update() override;
69
70 void write(const std::string &t_name) override;
71
72 void hook_optimize() override;
73
74 void set_solution_index(unsigned int t_index) override;
75
76 void update_obj_sense() override;
77
78 void update_obj() override;
79
80 void update_rhs() override;
81
82 void update_obj_constant() override;
83
84 void update_mat_coeff(const Ctr &t_ctr, const Var &t_var) override;
85
86 void update_ctr_type(const Ctr &t_ctr) override;
87
88 void update_ctr_rhs(const Ctr &t_ctr) override;
89
90 void update_var_type(const Var &t_var) override;
91
92 void update_var_lb(const Var &t_var) override;
93
94 void update_var_ub(const Var &t_var) override;
95
96 void update_var_obj(const Var &t_var) override;
97};
98
99#endif //IDOL_OPTIMIZERS_PESSIMISTICASOPTIMISTIC_H