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don't need marks in bool_var_manager anymore

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This commit is contained in:
Jakob Rath 2021-09-13 04:35:37 +02:00
parent 7b9726a95c
commit 71e97a4098
2 changed files with 6 additions and 29 deletions
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7
src/math/polysat/boolean.h
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@ -27,9 +27,6 @@ namespace polysat {
// For enumerative backtracking we store the lemma we're handling with a certain decision
svector<clause*> m_lemma;
unsigned_vector m_marks;
unsigned m_clock = 0;
public:
// allocated size (not the number of active variables)
unsigned size() const { return m_level.size(); }
@ -37,10 +34,6 @@ namespace polysat {
sat::bool_var new_var();
void del_var(sat::bool_var var);
void reset_marks();
bool is_marked(sat::bool_var var) const { return m_clock == m_marks[var]; }
void set_mark(sat::bool_var var);
bool is_assigned(sat::bool_var var) const { return value(var) != l_undef; }
bool is_assigned(sat::literal lit) const { return value(lit) != l_undef; }
bool is_decision(sat::bool_var var) const { return is_assigned(var) && !reason(var); }