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add new file for eq_constraint

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-04-15 14:34:01 -07:00
parent c733789467
commit 2eadcd586a
6 changed files with 161 additions and 149 deletions
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4
src/math/polysat/constraint.h
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@ -43,6 +43,8 @@ namespace polysat {
virtual std::ostream& display(std::ostream& out) const = 0;
virtual bool propagate(solver& s, pvar v) = 0;
virtual constraint* resolve(solver& s, pvar v) = 0;
virtual bool is_always_false() = 0;
virtual bool is_currently_false(solver& s) = 0;
eq_constraint& to_eq();
eq_constraint const& to_eq() const;
p_dependency* dep() const { return m_dep; }
@ -61,6 +63,8 @@ namespace polysat {
std::ostream& display(std::ostream& out) const override;
bool propagate(solver& s, pvar v) override;
constraint* resolve(solver& s, pvar v) override;
bool is_always_false() override;
bool is_currently_false(solver& s) override;
};
inline std::ostream& operator<<(std::ostream& out, constraint const& c) { return c.display(out); }