public static GenomeSorterDual Mutate(this
GenomeSorterDual genomeDualSorter, IRando randy)
{
var mutantIndex = randy.NextUint(genomeDualSorter.StageCount);
var newChromA = genomeDualSorter.ChromosomeA;
var newChromB = genomeDualSorter.ChromosomeB;
var newChoices = genomeDualSorter.Choices;
if (randy.NextBool(0.5))
{
var mutantStage = randy.RewireSorterStage(genomeDualSorter.ChromoA(mutantIndex));
newChromA = newChromA.ReplaceAtIndex(mutantIndex, mutantStage);
}
else
{
var mutantStage = randy.RewireSorterStage(genomeDualSorter.ChromoB(mutantIndex));
newChromB = newChromB.ReplaceAtIndex(mutantIndex, mutantStage);
}
return(new GenomeSorterDual(
id: Guid.NewGuid(),
chromA: newChromA,
chromB: newChromB,
choices: newChoices));
}
public static IEnumerable <ISorter> MakePhenotypes(this GenomeSorterDual genomeDualSorter,
IRando randy, int count)
{
for (uint i = 0; i < count; i++)
{
yield return(0u.CountUp(genomeDualSorter.StageCount)
.Select(d => genomeDualSorter.Choice(d)
? genomeDualSorter.ChromoA(d)
: genomeDualSorter.ChromoB(d))
.ToSorter(id: Guid.NewGuid(), genomeId: genomeDualSorter.Id));
}
}