Formulation.h

//
// Created by Henri on 03/02/2026.
//
 
#ifndef IDOL_ROBUST_NESTEDBRANCHANDCUT_FORMULATION_H
#define IDOL_ROBUST_NESTEDBRANCHANDCUT_FORMULATION_H
#include "idol/bilevel/modeling/Description.h"
#include "idol/mixed-integer/modeling/models/Model.h"
 
namespace idol::Robust::BBBB {
    class Formulation;
}
 
namespace idol::Optimizers::Robust {
    class BilevelBasedBranchAndBound;
}
 
class idol::Robust::BBBB::Formulation {
    const idol::Optimizers::Robust::BilevelBasedBranchAndBound& m_parent;
 
    Model m_model;
    std::vector<Var> m_first_stage_decisions;
    idol::Bilevel::Description m_bilevel_description;
protected:
    void build_model();
public:
    Formulation(const idol::Optimizers::Robust::BilevelBasedBranchAndBound& t_parent);
 
    Model& model() { return m_model; }
    const Model& model() const { return m_model; }
 
    const idol::Bilevel::Description& bilevel_description() const { return m_bilevel_description; }
 
    auto first_stage_decisions()const { return ConstIteratorForward(m_first_stage_decisions); }
};
 
#endif //IDOL_ROBUST_NESTEDBRANCHANDCUT_FORMULATION_H