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Polysat: disjunctive lemmas (#5311)

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* Add macro to disable linear solver for development

* Move new_* and add_* to header

* Add ref_vector_core::push_back(ref<T>&&)

* Attempt to simplify lifetime handling

* Make operator bool() explicit

* clause improvements

* display boolean assignment

* clause::resolve

* bug fixes

* more fixes

* final case of backtrack
This commit is contained in:
Jakob Rath 2021-05-28 22:53:08 +02:00 • committed by GitHub
parent 5fd3ef6580
commit 8757f04d20
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19 changed files with 524 additions and 294 deletions
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src/math/polysat/ule_constraint.h
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@ -32,13 +32,13 @@ namespace polysat {
pdd const& lhs() const { return m_lhs; }
pdd const& rhs() const { return m_rhs; }
std::ostream& display(std::ostream& out) const override;
scoped_ptr<constraint> resolve(solver& s, pvar v) 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, scoped_ptr<constraint>& out_neg_cond) override;
bool forbidden_interval(solver& s, pvar v, eval_interval& out_interval, constraint_ref& out_neg_cond) override;
};
}