mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-06 17:44:08 +00:00
Code Activity

debug lp_bound_propagator

Browse source
This commit is contained in:
Lev Nachmanson 2023-09-15 17:41:10 -07:00
parent 762ade2a79
commit 4cfba9787b
1 changed files with 12 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

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

@ -146,29 +146,31 @@ private:
add_upper_bound_monic(monic_var, mpq(0), false, [zero_var](int* s){return ((lp_bound_propagator*)s)->lp().get_bound_constraint_witnesses_for_column(zero_var);});
}
void add_lower_bound_monic(lpvar monic_var, const mpq& v, bool is_strict, std::function<u_dependency* (int*)> explain_dep) {
void add_lower_bound_monic(lpvar j, const mpq& v, bool is_strict, std::function<u_dependency* (int*)> explain_dep) {
unsigned k;
if (!try_get_value(m_improved_lower_bounds, monic_var, k)) {
m_improved_lower_bounds[monic_var] = m_ibounds.size();
m_ibounds.push_back(implied_bound(v, monic_var, true, is_strict, explain_dep));
j = lp().column_to_reported_index(j);
if (!try_get_value(m_improved_lower_bounds, j, k)) {
m_improved_lower_bounds[j] = m_ibounds.size();
m_ibounds.push_back(implied_bound(v, j, true, is_strict, explain_dep));
} else {
auto& found_bound = m_ibounds[k];
if (v > found_bound.m_bound || (v == found_bound.m_bound && !found_bound.m_strict && is_strict)) {
found_bound = implied_bound(v, monic_var, true, is_strict, explain_dep);
found_bound = implied_bound(v, j, true, is_strict, explain_dep);
TRACE("add_bound", lp().print_implied_bound(found_bound, tout););
}
}
}
void add_upper_bound_monic(lpvar monic_var, const mpq& bound_val, bool is_strict, std::function <u_dependency* (int*)> explain_bound) {
void add_upper_bound_monic(lpvar j, const mpq& bound_val, bool is_strict, std::function <u_dependency* (int*)> explain_bound) {
j = lp().column_to_reported_index(j);
unsigned k;
if (!try_get_value(m_improved_upper_bounds, monic_var, k)) {
m_improved_upper_bounds[monic_var] = m_ibounds.size();
m_ibounds.push_back(implied_bound(bound_val, monic_var, false, is_strict, explain_bound));
if (!try_get_value(m_improved_upper_bounds, j, k)) {
m_improved_upper_bounds[j] = m_ibounds.size();
m_ibounds.push_back(implied_bound(bound_val, j, false, is_strict, explain_bound));
} else {
auto& found_bound = m_ibounds[k];
if (bound_val > found_bound.m_bound || (bound_val == found_bound.m_bound && !found_bound.m_strict && is_strict)) {
found_bound = implied_bound(bound_val, monic_var, false, is_strict, explain_bound);
found_bound = implied_bound(bound_val, j, false, is_strict, explain_bound);
TRACE("add_bound", lp().print_implied_bound(found_bound, tout););
}
}