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adding simple BCE

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2014-09-29 18:00:34 -07:00
parent 5dc2afa33f
commit 60d7872cc8
5 changed files with 115 additions and 19 deletions
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12
src/util/union_find.h
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@ -132,6 +132,18 @@ public:
CASSERT("union_find", check_invariant());
}
// dissolve equivalence class of v
// this method cannot be used with backtracking.
void dissolve(unsigned v) {
do {
w = next(v);
m_size[v] = 1;
m_find[v] = v;
m_next[v] = v;
}
while (w != v);
}
void display(std::ostream & out) const {
unsigned num = get_num_vars();
for (unsigned v = 0; v < num; v++) {