mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-28 19:35:50 +00:00
Code Activity

remove un unnecessary call

Browse source 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-06-19 21:36:55 -07:00
parent 8f588a9263
commit 6524a70c32
1 changed files with 10 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/math/lp/lp_bound_propagator.h
View file

@ -75,13 +75,13 @@ class lp_bound_propagator {
// At some point we can find a row with a single vertex non fixed vertex
// then we can fix the whole tree,
// by adjusting the vertices offsets, so they become absolute.
// If the tree is fixed then in addition to checking with the m_offset_to_verts
// If the tree is fixed then in addition to checking with the m_vals_to_verts
// we are going to check with the m_fixed_var_tables.
vertex* m_fixed_vertex;
// a pair (o, j) belongs to m_offset_to_verts iff x[j] = x[m_root->column()] + o
map<mpq, vertex*, obj_hash<mpq>, mpq_eq> m_offset_to_verts;
// a pair (o, j) belongs to m_offset_to_verts_neg iff -x[j] = x[m_root->column()] + o
map<mpq, vertex*, obj_hash<mpq>, mpq_eq> m_offset_to_verts_neg;
// a pair (o, j) belongs to m_vals_to_verts iff x[j] = x[m_root->column()] + o
map<mpq, vertex*, obj_hash<mpq>, mpq_eq> m_vals_to_verts;
// a pair (o, j) belongs to m_vals_to_verts_neg iff -x[j] = x[m_root->column()] + o
map<mpq, vertex*, obj_hash<mpq>, mpq_eq> m_vals_to_verts_neg;
// these maps map a column index to the corresponding index in ibounds
std::unordered_map<unsigned, unsigned> m_improved_lower_bounds;
std::unordered_map<unsigned, unsigned> m_improved_upper_bounds;
@ -309,7 +309,7 @@ public:
m_root->add_child(v);
}
// keep root in the positive table
m_offset_to_verts.insert(r, m_root);
m_vals_to_verts.insert(r, m_root);
}
unsigned column(unsigned row, unsigned index) {
@ -369,9 +369,9 @@ public:
void check_for_eq_and_add_to_offsets(vertex* v) {
TRACE("cheap_eq_det", v->print(tout) << "\n";);
if (v->neg())
check_for_eq_and_add_to_offset_table(v, m_offset_to_verts_neg);
check_for_eq_and_add_to_offset_table(v, m_vals_to_verts_neg);
else
check_for_eq_and_add_to_offset_table(v, m_offset_to_verts);
check_for_eq_and_add_to_offset_table(v, m_vals_to_verts);
}
void clear_for_eq() {
@ -650,8 +650,8 @@ public:
delete_tree(m_root);
m_root = nullptr;
set_fixed_vertex(nullptr);
m_offset_to_verts.reset();
m_offset_to_verts_neg.reset();
m_vals_to_verts.reset();
m_vals_to_verts_neg.reset();
}
void create_fixed_eqs(vertex* v) {
@ -729,8 +729,6 @@ public:
}
void explore_under(vertex * v) {
if (fixed_phase())
try_add_equation_with_fixed_tables(v);
check_for_eq_and_add_to_offsets(v);
go_over_vertex_column(v);
// v might change in m_vertices expansion