public IEnumerable <Individual> Apply(IEnumerable <Individual> source)
{
var prms = ParamsProvider(this);
var inp = source.ToArray();
var elite = Elitism.SelectElite(inp, prms.ElitismFraction).ToArray();
if (elite.Length % 2 != 0)
{
throw new InvalidOperationException("Elitism fraction must result in an even number of individuals");
}
var selected = Selection.Roulette(inp, inp.Length - elite.Length);
var crossed = Crossover.UniformCrossoverPop(selected);
var mutated = Mutation.MutatePop(crossed, prms.MutationFraction, RandomValueProvider);
var retPop = elite.Concat(mutated).ToArray();
history.Add(CalcStats(prms, inp, retPop));
return(retPop);
}
