public override TAction DecideAction(MDPPerception <TState> perception)
{
if (!(utilityFunction.HasUtilityFor(perception.GetState())))
{ // if
// perceptionState
// is
// new
utilityFunction.SetUtility(perception.GetState(), perception.GetReward());
MDP.SetReward(perception.GetState(), perception.GetReward());
}
if (!(PreviousState == null))
{
stateCount.IncrementFor(PreviousState);
utilityFunction = this.UpdateUtilityFunction(1.0);
}
if (MDP.IsTerminalState(CurrentState))
{
PreviousState = null;
PreviousAction = null;
//TODO: make sure that 0 is appropriate value for what used to be null in java
previousReward = 0;
}
else
{
PreviousState = CurrentState;
PreviousAction = policy.GetAction(CurrentState);
previousReward = CurrentReward;
}
return(PreviousAction);
}
private void IncrementStateActionCount(TState state, TAction action)
{
Pair <TState, TAction> stateActionPair = new Pair <TState, TAction>(
state, action);
stateActionCount.IncrementFor(stateActionPair);
}
public int CountOccurances(int n)
{
foreach (SudokuCell key in sudoku.cellColl)
{
if (sudoku.TruePossibilities(key).Contains(n))
{
frequencyCounter.IncrementFor(n);
}
}
return(frequencyCounter.GetCount(n));
}
