public static StageDimer Mutate(this StageDimer genomeStageDimer, IRando randy)
{
var newStage1 = genomeStageDimer.Stage1;
var newStage2 = genomeStageDimer.Stage2;
var newModifier = genomeStageDimer.Modifier;
var spot = randy.NextUint(3);
switch (spot)
{
case 0:
newStage1 = newStage1.ConjugateBy(randy.ToSingleTwoCyclePermutation(newStage1.Order));
break;
case 1:
newStage2 = newStage2.ConjugateBy(randy.ToSingleTwoCyclePermutation(newStage2.Order));
break;
case 2:
newModifier = newModifier.ConjugateBy(randy.ToSingleTwoCyclePermutation(newModifier.Order));
break;
default:
throw new Exception($"spot {spot} not handled in StageDimerExt.Mutate");
}
return(new StageDimer(
stage1: newStage1,
stage2: newStage2,
modifier: newModifier
));
}
public static IPermutation ConjugateByRandomSingleTwoCycle(this IPermutation perm, IRando randy)
{
return(perm.ConjugateBy(randy.ToSingleTwoCyclePermutation(perm.Order)));
// return perm.ConjugateBy(randy.ToFullTwoCyclePermutation(perm.Order));
}