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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); quick_xplain::run(explanation, *this);
lean_assert(this->explanation_is_correct(explanation)); lean_assert(this->explanation_is_correct(explanation));
} }
final_check_status check_int_feasibility() {
return final_check_status::GIVEUP;
}
} // namespace lean } // namespace lean

1
src/util/lp/lar_solver.h
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@ -402,5 +402,6 @@ public:
return m_ext_vars_to_columns.find(ext_var)->second.is_integer(); 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
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@ -16,6 +16,13 @@ namespace lean {
typedef unsigned var_index; typedef unsigned var_index;
typedef unsigned constraint_index; typedef unsigned constraint_index;
typedef unsigned row_index; typedef unsigned row_index;
enum class final_check_status {
DONE,
CONTINUE,
GIVEUP
};
enum class column_type { enum class column_type {
free_column = 0, free_column = 0,
low_bound = 1, low_bound = 1,