WIP GraphAlgorithm

This commit is contained in:
joachimschmidt557 2019-03-22 18:49:27 +01:00
parent 07e292a5e1
commit 9f62d1bccc
4 changed files with 116 additions and 3 deletions

View file

@ -0,0 +1,78 @@
package tests.student;
import java.util.ArrayList;
import java.util.List;
import org.junit.jupiter.api.Test;
import base.Edge;
import base.Graph;
import base.GraphAlgorithm;
import base.Node;
public class GraphAlgoComplexityTest {
@Test
public void test() {
for (int i = 1; i < 100; i++) {
Graph<Integer> g = generateGraph(i);
DumbGraphAlgorithm ga = new DumbGraphAlgorithm(g, g.getNodes().get(0));
ga.run();
double divN = (double)ga.getN() / (double)i;
double divN2 = (double)ga.getN() / ((double)i*i);
double divN3 = (double)ga.getN() / ((double)i*i*i);
System.out.println(i + "," + ga.getN() + "," + divN + "," + divN2 + "," + divN3);
}
}
public Graph<Integer> generateGraph(int n) {
Graph<Integer> g = new Graph<Integer>();
List<Node<Integer>> nodes = new ArrayList<>();
for (int i = 0; i < n; i++)
nodes.add(g.addNode(i));
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (i != j)
g.addEdge(nodes.get(i), nodes.get(j));
}
}
return g;
}
public class DumbGraphAlgorithm extends GraphAlgorithm<Integer> {
public DumbGraphAlgorithm(Graph<Integer> graph, Node<Integer> sourceNode) {
super(graph, sourceNode);
}
@Override
protected double getValue(Edge<Integer> edge) {
return 100.0;
}
@Override
protected boolean isPassable(Edge<Integer> edge) {
return true;
}
@Override
protected boolean isPassable(Node<Integer> node) {
return true;
}
}
}