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Polysat: constraint refactor cont'd, deduplicate constraints (#5520)

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* Assign boolean variables only to long-lived constraints, and deduplicate constraints when they are created

* scoped_signed_constraint

* update other classes

* fix

* Don't use scoped_ptr<constraint> with dedup()
This commit is contained in:
Jakob Rath 2021-08-30 19:00:27 +02:00 • committed by GitHub
parent ebaea2159e
commit 0c1e44da77
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16 changed files with 365 additions and 298 deletions
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4
src/math/polysat/ule_constraint.h
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@ -17,7 +17,7 @@ Author:
namespace polysat {
class ule_constraint : public constraint {
class ule_constraint final : public constraint {
pdd m_lhs;
pdd m_rhs;
public:
@ -37,7 +37,7 @@ namespace polysat {
bool is_currently_false(solver& s, bool is_positive) override;
bool is_currently_true(solver& s, bool is_positive) override;
void narrow(solver& s, bool is_positive) override;
bool forbidden_interval(solver& s, bool is_positive, pvar v, eval_interval& out_interval, constraint_literal_ref& out_neg_cond) override;
bool forbidden_interval(solver& s, bool is_positive, pvar v, eval_interval& out_interval, scoped_signed_constraint& out_neg_cond) override;
inequality as_inequality(bool is_positive) const override;
unsigned hash() const override;
bool operator==(constraint const& other) const override;