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adding stub check_int_feasibility()

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2017-05-23 15:46:53 -07:00
parent 21bddd94bf
commit 1f425824ff
3 changed files with 13 additions and 1 deletions
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4
src/util/lp/lar_solver.cpp
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@ -1380,6 +1380,10 @@ void lar_solver::shrink_explanation_to_minimum(vector<std::pair<mpq, constraint_
quick_xplain::run(explanation, *this);
lean_assert(this->explanation_is_correct(explanation));
}
final_check_status check_int_feasibility() {
return final_check_status::GIVEUP;
}
} // namespace lean

3
src/util/lp/lar_solver.h
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@ -401,6 +401,7 @@ public:
unsigned ext_var = m_columns_to_ext_vars_or_term_indices[j];
return m_ext_vars_to_columns.find(ext_var)->second.is_integer();
}
inline bool column_is_real(unsigned j) const { return !column_is_integer(j); }
inline bool column_is_real(unsigned j) const { return !column_is_integer(j); }
final_check_status check_int_feasibility();
};
}

7
src/util/lp/lp_settings.h
View file

@ -16,6 +16,13 @@ namespace lean {
typedef unsigned var_index;
typedef unsigned constraint_index;
typedef unsigned row_index;
enum class final_check_status {
DONE,
CONTINUE,
GIVEUP
};
enum class column_type {
free_column = 0,
low_bound = 1,