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generalize level

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-09-15 16:46:30 +01:00
parent 7e7f88ae3d
commit 689c5b4e12
6 changed files with 40 additions and 18 deletions
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5
src/math/polysat/constraint.h
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@ -148,7 +148,7 @@ namespace polysat {
constraint(constraint_manager& m, ckind_t k): m_kind(k) {}
protected:
std::ostream& display_extra(std::ostream& out, lbool status) const;
std::ostream& display_extra(std::ostream& out) const;
public:
virtual ~constraint() {}
@ -179,6 +179,7 @@ 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; }
unsigned level(solver& s) const;
clause* unit_clause() const { return m_unit_clause; }
void set_unit_clause(clause* cl);
@ -231,12 +232,14 @@ namespace polysat {
bool is_currently_false(solver& s) const { return get()->is_currently_false(s, is_positive()); }
bool is_currently_true(solver& s) const { return get()->is_currently_true(s, is_positive()); }
lbool bvalue(solver& s) const;
unsigned level(solver& s) const { return get()->level(s); }
void narrow(solver& s) { get()->narrow(s, is_positive()); }
inequality as_inequality() const { return get()->as_inequality(is_positive()); }
sat::bool_var bvar() const { return m_constraint->bvar(); }
sat::literal blit() const { return sat::literal(bvar(), is_negative()); }
constraint* get() const { return m_constraint; }
explicit operator bool() const { return !!m_constraint; }
bool operator!() const { return !m_constraint; }