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Simplify equations into canonical form

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Also simplify constraints that are always false due to parity
This commit is contained in:
Jakob Rath 2022-09-28 13:17:14 +02:00
parent 480ba01cb0
commit 6715058876
4 changed files with 105 additions and 69 deletions
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src/math/polysat/ule_constraint.h
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@ -26,7 +26,7 @@ namespace polysat {
pdd m_rhs;
ule_constraint(constraint_manager& m, pdd const& l, pdd const& r);
void simplify();
static void simplify(bool& is_positive, pdd& lhs, pdd& rhs);
public:
~ule_constraint() override {}
@ -46,7 +46,6 @@ namespace polysat {
unsigned hash() const override;
bool operator==(constraint const& other) const override;
bool is_eq() const override { return m_rhs.is_zero(); }
bool is_diseq() const override { return m_lhs.is_one(); }
void add_to_univariate_solver(solver& s, univariate_solver& us, unsigned dep, bool is_positive) const override;
};