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Polysat: refactor constraints (#5372)

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* Refactor: remove sign and dep from constraint

* fix some bugs

* improve log messages

* Add missing premises to lemma

* Rename getter in an attempt to fix linux build
This commit is contained in:
Jakob Rath 2021-06-25 20:04:25 +02:00 • committed by GitHub
parent a0b0c1f428
commit 3436b52c4a
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GPG key ID: 4AEE18F83AFDEB23
16 changed files with 435 additions and 325 deletions
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7
src/math/polysat/ule_constraint.h
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@ -21,8 +21,8 @@ namespace polysat {
pdd m_lhs;
pdd m_rhs;
public:
ule_constraint(constraint_manager& m, unsigned lvl, csign_t sign, pdd const& l, pdd const& r, p_dependency_ref const& dep):
constraint(m, lvl, sign, dep, ckind_t::ule_t), m_lhs(l), m_rhs(r) {
ule_constraint(constraint_manager& m, unsigned lvl, pdd const& l, pdd const& r):
constraint(m, lvl, ckind_t::ule_t), m_lhs(l), m_rhs(r) {
m_vars.append(l.free_vars());
for (auto v : r.free_vars())
if (!m_vars.contains(v))
@ -32,13 +32,12 @@ namespace polysat {
pdd const& lhs() const { return m_lhs; }
pdd const& rhs() const { return m_rhs; }
std::ostream& display(std::ostream& out) const override;
constraint_ref resolve(solver& s, pvar v) override;
bool is_always_false(pdd const& lhs, pdd const& rhs);
bool is_always_false() override;
bool is_currently_false(solver& s) override;
bool is_currently_true(solver& s) override;
void narrow(solver& s) override;
bool forbidden_interval(solver& s, pvar v, eval_interval& out_interval, constraint_ref& out_neg_cond) override;
bool forbidden_interval(solver& s, pvar v, eval_interval& out_interval, constraint_literal& out_neg_cond) override;
inequality as_inequality() const override;
};