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missing files

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2017-10-25 09:00:35 -07:00
parent 7148226823
commit f5f1d019d8
2 changed files with 13 additions and 5 deletions
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4
src/util/min_cut.cpp
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@ -28,9 +28,9 @@ unsigned min_cut::new_node() {
return m_edges.size() - 1;
}
void min_cut::add_edge(unsigned int i, unsigned int j) {
void min_cut::add_edge(unsigned int i, unsigned int j, unsigned capacity) {
m_edges.reserve(i + 1);
m_edges[i].push_back(edge(j, 1));
m_edges[i].push_back(edge(j, capacity));
TRACE("spacer.mincut", tout << "adding edge (" << i << "," << j << ")\n";);
}

14
src/util/min_cut.h
View file

@ -27,12 +27,20 @@ class min_cut {
public:
min_cut();
unsigned new_node();
/*
\brief add an edge (with unit capacity)
\brief create a node
*/
void add_edge(unsigned i, unsigned j);
unsigned new_node();
/*
\brief add an i -> j edge with (unit) capacity
*/
void add_edge(unsigned i, unsigned j, unsigned capacity = 1);
/*
\brief produce a min cut between source node = 0 and target node = 1.
NB. the function changes capacities on edges.
*/
void compute_min_cut(unsigned_vector& cut_nodes);
private: