@Test
public void recombine() {

	final Factory<DoubleGene> factory = DoubleGene.of(0, 100);
	final MSeq<DoubleGene> v = MSeq.of(factory::newInstance, 10);
	final MSeq<DoubleGene> w = MSeq.of(factory::newInstance, 10);
	final LineCrossover<DoubleGene, Double> recombinator =
		new LineCrossover<>();
	recombinator.crossover(v, w);
	Assert.assertTrue(v.forAll(DoubleGene::isValid));
	Assert.assertTrue(w.forAll(DoubleGene::isValid));
}