mirrors/z3
3
0
Fork 0
mirror of https://github.com/Z3Prover/z3 synced 2025-04-29 20:05:51 +00:00
Code Activity

adding Boolean propagation, watch; and factoring

Browse source
This commit is contained in:
Nikolaj Bjorner 2021-09-18 22:18:15 -04:00
parent f01da40e49
commit fa3886136b
15 changed files with 341 additions and 134 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/math/polysat/constraint.h
View file

@ -64,6 +64,9 @@ namespace polysat {
void gc_constraints(solver& s);
void gc_clauses(solver& s);
void watch(clause& cl, solver& s);
void unwatch(clause& cl);
public:
constraint_manager(bool_var_manager& bvars): m_bvars(bvars) {}
~constraint_manager();
@ -72,7 +75,7 @@ namespace polysat {
void erase_bvar(constraint* c);
// sat::literal get_or_assign_blit(signed_constraint& c);
clause* store(clause_ref cl);
void store(clause* cl, solver& s);
/// Register a unit clause with an external dependency.
void register_external(signed_constraint c);
@ -146,9 +149,7 @@ namespace polysat {
sat::bool_var m_bvar = sat::null_bool_var;
constraint(constraint_manager& m, ckind_t k): m_kind(k) {}
protected:
std::ostream& display_extra(std::ostream& out) const;
public:
virtual ~constraint() {}
@ -179,6 +180,7 @@ namespace polysat {
bool contains_var(pvar v) const { return m_vars.contains(v); }
bool has_bvar() const { return m_bvar != sat::null_bool_var; }
sat::bool_var bvar() const { return m_bvar; }
std::string bvar2string() const;
unsigned level(solver& s) const;
clause* unit_clause() const { return m_unit_clause; }