private MaximumMatching(Graph graph, Matching matching, int nMatched, IntSet subset)
{
this.graph = graph;
this.matching = matching;
this.subset = subset;
this.even = new int[graph.Order];
this.odd = new int[graph.Order];
this.queue = new FixedSizeQueue(graph.Order);
this.uf = new UnionFind(graph.Order);
// tmp storage of paths in the algorithm
path = new int[graph.Order];
vAncestors = new BitArray(graph.Order);
wAncestors = new BitArray(graph.Order);
// continuously augment while we find new paths, each
// path increases the matching cardinality by 2
while (Augment())
{
nMatched += 2;
}
this.nMatched = nMatched;
}
public void Find()
{
UnionFind uf = new UnionFind(100);
uf.Union(1, 5);
uf.Union(7, 9);
uf.Union(10, 11);
uf.Union(15, 1);
uf.Union(15, 50);
Assert.AreEqual(uf.Find(1), 50);
Assert.AreEqual(uf.Find(5), 50);
Assert.AreEqual(uf.Find(7), 7);
Assert.AreEqual(uf.Find(8), 8);
Assert.AreEqual(uf.Find(10), 10);
Assert.AreEqual(uf.Find(11), 10);
Assert.AreEqual(uf.Find(15), 50);
Assert.AreEqual(uf.Find(50), 50);
}
public void Connected()
{
UnionFind uf = new UnionFind(100);
uf.Union(1, 5);
uf.Union(7, 9);
uf.Union(7, 5);
uf.Union(10, 11);
uf.Union(11, 50);
uf.Union(15, 1);
uf.Union(15, 50);
Assert.IsTrue(uf.Connected(1, 5));
Assert.IsTrue(uf.Connected(1, 7));
Assert.IsTrue(uf.Connected(1, 9));
Assert.IsTrue(uf.Connected(1, 10));
Assert.IsTrue(uf.Connected(1, 11));
Assert.IsTrue(uf.Connected(1, 15));
Assert.IsTrue(uf.Connected(1, 50));
}