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fix reset (#105)

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* fixes to use list bookkeeping

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix reset logic

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-12-28 17:07:04 -08:00 committed by Lev Nachmanson
parent 9ae9877353
commit 014e5158c0
2 changed files with 4 additions and 24 deletions
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26
src/math/lp/nla_core.cpp
View file

@ -1411,15 +1411,9 @@ std::ostream& core::print_term( const lp::lar_term& t, std::ostream& out) const
out);
}
void core::create_vars_used_in_mrows() {
for (unsigned i : m_rows) {
add_row_vars_to_pdd_grobner(m_lar_solver.A_r().m_rows[i]);
}
}
void core::run_pdd_grobner() {
// m_pdd_manager.resize(m_lar_solver.number_of_vars());
create_vars_used_in_mrows();
m_pdd_grobner.reset();
set_level2var_for_pdd_grobner();
for (unsigned i : m_rows) {
@ -1449,8 +1443,9 @@ void core::check_pdd_eq(const dd::grobner::equation* e) {
add_empty_lemma();
current_expl().add(e);
};
di.check_interval_for_conflict_on_zero(i_wd, e->dep(), f);
m_pdd_grobner.get_stats().m_conflicts++;
if (di.check_interval_for_conflict_on_zero(i_wd, e->dep(), f)) {
m_pdd_grobner.get_stats().m_conflicts++;
}
}
void core::add_var_and_its_factors_to_q_and_collect_new_rows(lpvar j, svector<lpvar> & q) {
@ -1482,19 +1477,6 @@ void core::add_var_and_its_factors_to_q_and_collect_new_rows(lpvar j, svector<lp
}
}
void core::add_row_vars_to_pdd_grobner(const vector<lp::row_cell<rational>> & row) {
for (const auto &p : row) {
lpvar j = p.var();
if (!is_monic_var(j)) {
m_pdd_manager.mk_var(j);
} else {
const monic& m = emons()[j];
for (lpvar k : m.vars()) {
m_pdd_manager.mk_var(k);
}
}
}
}
dd::pdd core::pdd_expr(const rational& c, lpvar j) {
if (!is_monic_var(j))
@ -1596,7 +1578,7 @@ void core::set_active_vars_weights(nex_creator& nc) {
}
void core::set_level2var_for_pdd_grobner() {
unsigned n = m_pdd_manager.get_level2var().size();
unsigned n = m_lar_solver.column_count();
unsigned_vector sorted_vars(n);
for (unsigned j = 0; j < n; j++)
sorted_vars[j] = j;

2
src/math/lp/nla_core.h
View file

@ -402,8 +402,6 @@ public:
unsigned get_var_weight(lpvar) const;
void add_row_to_pdd_grobner(const vector<lp::row_cell<rational>> & row);
void check_pdd_eq(const dd::grobner::equation*);
void create_vars_used_in_mrows();
void add_row_vars_to_pdd_grobner(const vector<lp::row_cell<rational>> & row);
dd::pdd pdd_expr(const rational& c, lpvar j);
void set_level2var_for_pdd_grobner();
}; // end of core