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Allow creation of op_constraint lemmas without adding them

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Jakob Rath 2022-11-30 14:57:14 +01:00
parent 5069796755
commit e338d42cff
3 changed files with 84 additions and 58 deletions
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8
src/math/polysat/op_constraint.h
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@ -39,14 +39,15 @@ namespace polysat {
op_constraint(constraint_manager& m, code c, pdd const& p, pdd const& q, pdd const& r);
lbool eval(pdd const& p, pdd const& q, pdd const& r) const;
clause_ref produce_lemma(solver& s, assignment const& a);
void narrow_lshr(solver& s);
clause_ref lemma_lshr(solver& s, assignment const& a);
static lbool eval_lshr(pdd const& p, pdd const& q, pdd const& r);
void narrow_shl(solver& s);
clause_ref lemma_shl(solver& s, assignment const& a);
static lbool eval_shl(pdd const& p, pdd const& q, pdd const& r);
void narrow_and(solver& s);
clause_ref lemma_and(solver& s, assignment const& a);
static lbool eval_and(pdd const& p, pdd const& q, pdd const& r);
std::ostream& display(std::ostream& out, char const* eq) const;
@ -61,6 +62,7 @@ namespace polysat {
lbool eval() const override;
lbool eval(assignment const& a) const override;
void narrow(solver& s, bool is_positive, bool first) override;
virtual clause_ref produce_lemma(solver& s, assignment const& a, bool is_positive) override;
unsigned hash() const override;
bool operator==(constraint const& other) const override;
bool is_eq() const override { return false; }