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replace graph by a tree in cheap_eqs

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-06-03 17:15:15 -07:00
parent 5d3070bc2d
commit 62bd19242e
5 changed files with 169 additions and 135 deletions
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1
src/math/lp/lar_solver.h
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@ -556,6 +556,7 @@ public:
}
void round_to_integer_solution();
inline const row_strip<mpq> & get_row(unsigned i) const { return A_r().m_rows[i]; }
inline const column_strip & get_column(unsigned i) const { return A_r().m_columns[i]; }
bool row_is_correct(unsigned i) const;
bool ax_is_correct() const;
bool get_equality_and_right_side_for_term_on_current_x(tv const& t, mpq &rs, constraint_index& ci, bool &upper_bound) const;