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updated resolvents

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2018-09-03 11:17:50 -07:00
parent 43807a7edc
commit c39d7c8565
6 changed files with 349 additions and 183 deletions
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6
src/sat/sat_big.h
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@ -34,6 +34,7 @@ namespace sat {
svector<int> m_left, m_right;
literal_vector m_root, m_parent;
bool m_learned;
bool m_include_cardinality;
svector<std::pair<literal, literal>> m_del_bin;
@ -54,6 +55,9 @@ namespace sat {
// static svector<std::pair<literal, literal>> s_del_bin;
big(random_gen& rand);
void set_include_cardinality(bool f) { m_include_cardinality = f; }
/**
\brief initialize a BIG from a solver.
*/
@ -77,7 +81,7 @@ namespace sat {
int get_left(literal l) const { return m_left[l.index()]; }
int get_right(literal l) const { return m_right[l.index()]; }
literal get_parent(literal l) const { return m_parent[l.index()]; }
literal get_root(literal l) const { return m_root[l.index()]; }
literal get_root(literal l);
bool reaches(literal u, literal v) const { return m_left[u.index()] < m_left[v.index()] && m_right[v.index()] < m_right[u.index()]; }
bool connected(literal u, literal v) const { return reaches(u, v) || reaches(~v, ~u); }
void display(std::ostream& out) const;