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work on incremental dio

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2024-12-23 18:01:57 -10:00 • committed by Lev Nachmanson
parent fd3bd088a4
commit 862dc91cb2
7 changed files with 189 additions and 52 deletions
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7
src/math/lp/static_matrix.h
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@ -139,6 +139,8 @@ public:
void add_new_element(unsigned i, unsigned j, const T & v);
// adds row i muliplied by coeff to row k
void add_rows(const mpq& coeff, unsigned i, unsigned k);
void add_row() {m_rows.push_back(row_strip<T>());}
void add_column() {
m_columns.push_back(column_strip());
@ -218,8 +220,7 @@ public:
return ret;
}
void scan_row_to_work_vector(unsigned i);
void scan_row_strip_to_work_vector(const row_strip<T> & rvals);
void clean_row_work_vector(unsigned i);
@ -300,8 +301,6 @@ public:
// pivot row i to row ii
bool pivot_row_to_row_given_cell(unsigned i, column_cell& c, unsigned j);
void pivot_row_to_row_given_cell_with_sign(unsigned piv_row_index, column_cell& c, unsigned j, int j_sign);
void scan_row_ii_to_offset_vector(const row_strip<T> & rvals);
void transpose_rows(unsigned i, unsigned ii) {
auto t = m_rows[i];
m_rows[i] = m_rows[ii];