mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-11-25 23:19:32 +00:00
Code Activity

dio with static_matrix initial setup

Browse source 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2024-10-10 19:23:37 -07:00 • committed by Lev Nachmanson
parent 9e8b17b5f8
commit 42bdc893a9
4 changed files with 363 additions and 243 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/math/lp/static_matrix.h
View file

@ -68,7 +68,8 @@ class static_matrix
};
std::stack<dim> m_stack;
public:
vector<int> m_vector_of_row_offsets;
vector<int> m_work_vector_of_row_offsets;
indexed_vector<T> m_work_vector;
vector<row_strip<T>> m_rows;
vector<column_strip> m_columns;
@ -110,7 +111,7 @@ public:
static_matrix() = default;
// constructor
static_matrix(unsigned m, unsigned n): m_vector_of_row_offsets(n, -1) {
static_matrix(unsigned m, unsigned n): m_work_vector_of_row_offsets(n, -1) {
init_row_columns(m, n);
}
// constructor that copies columns of the basis from A
@ -133,7 +134,7 @@ public:
void add_row() {m_rows.push_back(row_strip<T>());}
void add_column() {
m_columns.push_back(column_strip());
m_vector_of_row_offsets.push_back(-1);
m_work_vector_of_row_offsets.push_back(-1);
}
void forget_last_columns(unsigned how_many_to_forget);
@ -289,7 +290,8 @@ public:
}
// pivot row i to row ii
bool pivot_row_to_row_given_cell(unsigned i, column_cell& c, unsigned);
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) {