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Nikolaj Bjorner 2021-11-05 12:16:35 -07:00
parent eaa6340a0c
commit e1bc9cc0bb
2 changed files with 84 additions and 69 deletions
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14
src/math/polysat/saturation.h
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@ -34,13 +34,19 @@ namespace polysat {
};
class inf_saturate : public inference_engine {
vector<signed_constraint> m_new_constraints;
char const* m_rule = nullptr;
void set_rule(char const* r) { m_rule = r; }
bool find_upper_bound(pvar x, signed_constraint& c, rational& bound);
void push_omega(vector<signed_constraint>& new_constraints, pdd const& x, pdd const& y);
void push_omega_bisect(vector<signed_constraint>& new_constraints, pdd const& x, rational x_max, pdd const& y, rational y_max);
void push_omega(pdd const& x, pdd const& y);
void push_omega_bisect(pdd const& x, rational x_max, pdd const& y, rational y_max);
signed_constraint ineq(bool strict, pdd const& lhs, pdd const& rhs);
bool propagate(conflict& core, inequality const& crit1, inequality const& crit2, signed_constraint& c, vector<signed_constraint>& new_constraints);
bool propagate(conflict& core, inequality const& crit1, inequality const& crit2, bool strict, pdd const& lhs, pdd const& rhs, vector<signed_constraint>& new_constraints);
bool propagate(conflict& core, inequality const& crit1, inequality const& crit2, signed_constraint& c);
bool propagate(conflict& core, inequality const& crit1, inequality const& crit2, bool strict, pdd const& lhs, pdd const& rhs);
bool try_ugt_x(pvar v, conflict& core, inequality const& c);