private bool TryChooseChildForExecute(out MCTS <T> chosenChild)
{
this.EnsureChildren();
int unvisited = 0;
double maxUct = double.NegativeInfinity;
chosenChild = null;
var visits = this._visits;
foreach (var child in this._children)
{
if (!child._complete)
{
double childUCT;
if (child._visits == 0)
{
if (random.Next(++unvisited) == 0)
{
chosenChild = child;
}
}
else if (unvisited == 0 && maxUct <
((childUCT = child.GetUct(visits)))
)
{
maxUct = childUCT;
chosenChild = child;
}
}
}
return(chosenChild != null);
}
private bool TryChooseChildForTryHandleSkipLevels(out MCTS <T> chosenChild)
{
this.EnsureChildren();
chosenChild =
this._children.Where(
(child) => !child.skipLevelsHandled
).RandomOrDefault();
return(chosenChild != null);
}
