private double EvaluateDiscards(int cards)
{
Debug.Assert(BitwiseCardHelper.GetCardCount(cards) == 12);
var values = new List <double>();
var enumerator = new TwoCardsEnumerator(cards);
while (enumerator.MoveNext())
{
int cardsAfterDiscarding = cards & ~enumerator.Current;
double value = EvaluateCards(cardsAfterDiscarding, enumerator.Current);
values.Add(value);
}
return(values.Max());
}
/// <summary>
/// Calculates a mathematical expectation of the active hand for a certain game type.
/// Uses the expecti-max algorithm to compute the value among all possible widow cards and further discards.
/// Updates the <see cref="Expectation"/> property.
/// </summary>
/// <returns></returns>
internal void Evaluate()
{
int ownCards = BitwiseCardHelper.CardCollectionToBits(mGame.ActiveHand.Cards);
int unknownCards = ~ownCards;
Debug.Assert(BitwiseCardHelper.GetCardCount(unknownCards) == 22);
var values = new List<double>();
var enumerator = new TwoCardsEnumerator(unknownCards);
while (enumerator.MoveNext())
{
int ownCardsWithWidow = ownCards | enumerator.Current;
double value = EvaluateDiscards(ownCardsWithWidow);
values.Add(value);
}
Expectation = values.Average();
}
/// <summary>
/// Calculates a mathematical expectation of the active hand for a certain game type.
/// Uses the expecti-max algorithm to compute the value among all possible widow cards and further discards.
/// Updates the <see cref="Expectation"/> property.
/// </summary>
/// <returns></returns>
internal void Evaluate()
{
int ownCards = BitwiseCardHelper.CardCollectionToBits(mGame.ActiveHand.Cards);
int unknownCards = ~ownCards;
Debug.Assert(BitwiseCardHelper.GetCardCount(unknownCards) == 22);
var values = new List <double>();
var enumerator = new TwoCardsEnumerator(unknownCards);
while (enumerator.MoveNext())
{
int ownCardsWithWidow = ownCards | enumerator.Current;
double value = EvaluateDiscards(ownCardsWithWidow);
values.Add(value);
}
Expectation = values.Average();
}
private double EvaluateDiscards(int cards)
{
Debug.Assert(BitwiseCardHelper.GetCardCount(cards) == 12);
var values = new List<double>();
var enumerator = new TwoCardsEnumerator(cards);
while (enumerator.MoveNext())
{
int cardsAfterDiscarding = cards & ~enumerator.Current;
double value = EvaluateCards(cardsAfterDiscarding, enumerator.Current);
values.Add(value);
}
return values.Max();
}