private void computeClusterRec(MyPhyloTree n, MyNode v, BitSet cluster, int treeIndex) {
if (v.getOutDegree() == 0) cluster.set(taxaOrdering.indexOf(n.getLabel(v)));
else {
Iterator<MyEdge> it = n.getOutEdges(v);
while (it.hasNext()) {
MyEdge e = it.next();
HashSet<Integer> indices = (HashSet<Integer>) e.getInfo();
if (indices.contains(treeIndex)) {
MyNode c = e.getTarget();
computeClusterRec(n, c, cluster, treeIndex);
}
}
}
}
private boolean isClusterNode(MyNode v) {
MyEdge outEdge = v.getOutEdges().next();
if (((HashSet<Integer>) outEdge.getInfo()).contains(-1)) return true;
return false;
}