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remove last references to unit clauses

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2021-09-20 17:36:07 -07:00
parent cd76fd9edd
commit ce12c51083
5 changed files with 2 additions and 26 deletions
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4
src/math/polysat/constraint.h
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@ -131,7 +131,6 @@ namespace polysat {
friend class ule_constraint;
// constraint_manager* m_manager;
clause* m_unit_clause = nullptr; ///< If this constraint was asserted by a unit clause, we store that clause here.
ckind_t m_kind;
unsigned_vector m_vars;
lbool m_external_sign = l_undef;
@ -178,9 +177,6 @@ namespace polysat {
std::string bvar2string() const;
unsigned level(solver& s) const;
clause* unit_clause() const { return m_unit_clause; }
void set_unit_clause(clause* cl);
void set_external(bool sign) { m_external_sign = to_lbool(sign); }
void unset_external() { m_external_sign = l_undef; }
bool is_external() const { return m_external_sign != l_undef; }