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Use constraint graphs for minimum cost flow correctly

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This commit is contained in:
Anh-Dung Phan 2013-10-31 12:11:56 -07:00
parent 637b63cbe1
commit 1a32a64b96
3 changed files with 85 additions and 44 deletions
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4
src/smt/diff_logic.h
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@ -933,7 +933,7 @@ public:
return found;
}
// Return true if there is an edge source --> target.
// Return true if there is an edge source --> target (also counting disabled edges).
// If there is such edge, return its edge_id in parameter id.
bool get_edge_id(dl_var source, dl_var target, edge_id & id) {
edge_id_vector & edges = m_out_edges[source];
@ -942,7 +942,7 @@ public:
for (; it != end; ++it) {
id = *it;
edge & e = m_edges[id];
if (e.is_enabled() && e.get_target() == target) {
if (e.get_target() == target) {
return true;
}
}