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fixes in lar_solver around nl unit propagation
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
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8 changed files with 28 additions and 6 deletions
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@ -92,6 +92,8 @@ class lar_solver : public column_namer {
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public:
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const indexed_uint_set& columns_with_changed_bounds() const { return m_columns_with_changed_bounds; }
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inline void clear_columns_with_changed_bounds() { m_columns_with_changed_bounds.reset(); }
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void track_column_feasibility(lpvar j);
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private:
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// m_touched_rows contains rows that have been changed by a pivoting or have a column with changed bounds
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indexed_uint_set m_touched_rows;
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