public void ChromosomeCrossover()
{
var protoChrom = Initialization.MakeProtoChromosome();
var a = Initialization.MakeRandomChromosome(NetworkType.Rnn, protoChrom, 0);
var b = Initialization.MakeRandomChromosome(NetworkType.Rnn, protoChrom, 0);
a.ShouldNotLookLike(b);
var crossedOverChroms = Functions.CrossOverChromosomes(a, b);
AssertIsCrossedOverVersionOf(crossedOverChroms, Tuple2.Create(a, b));
}
public void GenericCrossOver()
{
var a = new[] { 1, 2, 3, 4, 5 };
var b = new[] { 10, 20, 30, 40, 50 };
var z = Functions.CrossOver(a, b, (x, y) => Tuple2.Create(y, x), x => x.ToList());
z.Item1.ShouldBeOfType <List <int> >();
z.Item2.ShouldBeOfType <List <int> >();
z.Item1.ShouldEnumerateLike(b);
z.Item2.ShouldEnumerateLike(a);
var q = Functions.CrossOver(a, b, (x, y) => x % 2 == 1 ? Tuple2.Create(x, y) : Tuple2.Create(y, x), x => x.ToList());
q.Item1.ShouldEnumerateLike(Lists.Create(1, 20, 3, 40, 5));
q.Item2.ShouldEnumerateLike(Lists.Create(10, 2, 30, 4, 50));
}
public void MixtureCrossover()
{
var db = new Database(TestHelpers.GetCleanDatabase());
var protoChrom = Initialization.MakeProtoChromosome();
var protoRun = new ProtoRun(db, "MixtureCrossoverTest", -1, protoChrom, 2, 6, 4, 10, 0.05);
var run = new Run(protoRun, protoChrom);
var seed = MakeTrainingSet(db, "11/11/2001", "12/11/2001");
var gen = Initialization.MakeInitialGeneration(seed, run, new LocalParallelTrainer());
gen.Mixtures.Length.ShouldEqual(2);
var m1 = gen.Mixtures[0];
var m2 = gen.Mixtures[1];
var prev = Tuple2.Create(m1.Chromosomes, m2.Chromosomes);
var cmis = Functions.CombineTwoMixtures(gen.Mixtures.Select(m => new MixtureEval(m, 1)).ToList());
var curr = Tuple2.Create(cmis.Item1.Chromosomes, cmis.Item2.Chromosomes);
for (int i = 0; i < m1.Chromosomes.Length; i++)
{
AssertIsCrossedOverVersionOf(Tuple2.Create(curr.Item1[i], curr.Item2[i]),
Tuple2.Create(prev.Item1[i], prev.Item2[i]));
}
}
