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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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2
src/math/lp/static_matrix.h
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@ -42,6 +42,7 @@ std::ostream& operator<<(std::ostream& out, const row_cell<T>& rc) {
}
struct empty_struct {};
typedef row_cell<empty_struct> column_cell;
typedef vector<column_cell> column_strip;
template <typename T>
using row_strip = vector<row_cell<T>>;
@ -60,7 +61,6 @@ class static_matrix
};
std::stack<dim> m_stack;
public:
typedef vector<column_cell> column_strip;
vector<int> m_vector_of_row_offsets;
indexed_vector<T> m_work_vector;
vector<row_strip<T>> m_rows;