Example #1
0
        public void TestSolution1()
        {
            RandomGeneratorExtensions.GetGetNewRandom = () => new RandomGenerator(4541247);

            // create problem.
            var problem = TSPHelper.CreateTSP(0, 0, 1, 0);

            // create the solver.
            var solver = new EAXSolver(new GASettings()
            {
                CrossOverPercentage = 10,
                ElitismPercentage   = 1,
                PopulationSize      = 100,
                MaxGenerations      = 100000,
                MutationPercentage  = 0,
                StagnationCount     = 100
            });

            for (int i = 0; i < 10; i++)
            {
                // generate solution.
                float fitness;
                var   solution = solver.Solve(problem, new TSPObjective(), out fitness);

                // test contents.
                Assert.AreEqual(0, fitness);
                var solutionList = new List <int>(solution);
                Assert.AreEqual(0, solutionList[0]);
                Assert.IsTrue(solutionList.Remove(0));
                Assert.AreEqual(0, solutionList.Count);
            }
        }
Example #2
0
        public void TestSolutionbr17Open()
        {
            RandomGeneratorExtensions.GetGetNewRandom = () => new RandomGenerator(4541247);

            var weights = new float[][] {
                new float[] { 9999, 3, 5, 48, 48, 8, 8, 5, 5, 3, 3, 0, 3, 5, 8, 8, 5 },
                new float[] { 3, 9999, 3, 48, 48, 8, 8, 5, 5, 0, 0, 3, 0, 3, 8, 8, 5 },
                new float[] { 5, 3, 9999, 72, 72, 48, 48, 24, 24, 3, 3, 5, 3, 0, 48, 48, 24 },
                new float[] { 48, 48, 74, 9999, 0, 6, 6, 12, 12, 48, 48, 48, 48, 74, 6, 6, 12 },
                new float[] { 48, 48, 74, 0, 9999, 6, 6, 12, 12, 48, 48, 48, 48, 74, 6, 6, 12 },
                new float[] { 8, 8, 50, 6, 6, 9999, 0, 8, 8, 8, 8, 8, 8, 50, 0, 0, 8 },
                new float[] { 8, 8, 50, 6, 6, 0, 9999, 8, 8, 8, 8, 8, 8, 50, 0, 0, 8 },
                new float[] { 5, 5, 26, 12, 12, 8, 8, 9999, 0, 5, 5, 5, 5, 26, 8, 8, 0 },
                new float[] { 5, 5, 26, 12, 12, 8, 8, 0, 9999, 5, 5, 5, 5, 26, 8, 8, 0 },
                new float[] { 3, 0, 3, 48, 48, 8, 8, 5, 5, 9999, 0, 3, 0, 3, 8, 8, 5 },
                new float[] { 3, 0, 3, 48, 48, 8, 8, 5, 5, 0, 9999, 3, 0, 3, 8, 8, 5 },
                new float[] { 0, 3, 5, 48, 48, 8, 8, 5, 5, 3, 3, 9999, 3, 5, 8, 8, 5 },
                new float[] { 3, 0, 3, 48, 48, 8, 8, 5, 5, 0, 0, 3, 9999, 3, 8, 8, 5 },
                new float[] { 5, 3, 0, 72, 72, 48, 48, 24, 24, 3, 3, 5, 3, 9999, 48, 48, 24 },
                new float[] { 8, 8, 50, 6, 6, 0, 0, 8, 8, 8, 8, 8, 8, 50, 9999, 0, 8 },
                new float[] { 8, 8, 50, 6, 6, 0, 0, 8, 8, 8, 8, 8, 8, 50, 0, 9999, 8 },
                new float[] { 5, 5, 26, 12, 12, 8, 8, 0, 0, 5, 5, 5, 5, 26, 8, 8, 9999 }
            };

            // create problem.
            var problem = TSPHelper.CreateTSP(0, weights);

            // create the solver.
            var solver = new EAXSolver(new GASettings()
            {
                CrossOverPercentage = 10,
                ElitismPercentage   = 1,
                PopulationSize      = 100,
                MaxGenerations      = 100000,
                MutationPercentage  = 0,
                StagnationCount     = 100
            });

            for (var i = 0; i < 10; i++)
            {
                // generate solution.
                float fitness;
                var   solution = solver.Solve(problem, new TSPObjective(), out fitness);

                // test contents.
                Assert.IsTrue(fitness <= 39);
                var solutionList = new List <int>(solution);
                Assert.AreEqual(0, solutionList[0]);
                Assert.IsTrue(solutionList.Remove(0));
                Assert.IsTrue(solutionList.Remove(1));
                Assert.IsTrue(solutionList.Remove(2));
                Assert.IsTrue(solutionList.Remove(3));
                Assert.IsTrue(solutionList.Remove(4));
                Assert.IsTrue(solutionList.Remove(5));
                Assert.IsTrue(solutionList.Remove(6));
                Assert.IsTrue(solutionList.Remove(7));
                Assert.IsTrue(solutionList.Remove(8));
                Assert.IsTrue(solutionList.Remove(9));
                Assert.IsTrue(solutionList.Remove(10));
                Assert.IsTrue(solutionList.Remove(11));
                Assert.IsTrue(solutionList.Remove(12));
                Assert.IsTrue(solutionList.Remove(13));
                Assert.IsTrue(solutionList.Remove(14));
                Assert.IsTrue(solutionList.Remove(15));
                Assert.IsTrue(solutionList.Remove(16));
                Assert.AreEqual(0, solutionList.Count);
            }
        }