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add lrb/chb and experiment with them

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-05-28 10:48:31 -07:00
commit e0a86ccc1a
28 changed files with 459 additions and 281 deletions
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11
src/sat/sat_var_queue.h
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@ -39,6 +39,15 @@ namespace sat {
m_queue.decreased(v);
}
void activity_changed_eh(bool_var v, bool up) {
if (m_queue.contains(v)) {
if (up)
m_queue.decreased(v);
else
m_queue.increased(v);
}
}
void mk_var_eh(bool_var v) {
m_queue.reserve(v+1);
m_queue.insert(v);
@ -61,6 +70,8 @@ namespace sat {
bool empty() const { return m_queue.empty(); }
bool_var next_var() { SASSERT(!empty()); return m_queue.erase_min(); }
bool_var min_var() { SASSERT(!empty()); return m_queue.min_value(); }
};
};