/// <summary>
/// Generates an array V of size 61 (Step 2)
/// </summary>
/// <param name="maxValue">The maximum non-inclusive random number</param>
private void generateVArray(int maxValue)
{
currentMaxValue = maxValue;
// Step 1: Create an array V of numbers of size 61
V = new long[vSize];
for (int i = 0; i < vSize; i++)
{
V [i] = random.Next(maxValue);
}
}
/// <summary>
/// 返回纯数字 字符串
/// </summary>
/// <param name="length"></param>
/// <returns></returns>
public string Number(int length)
{
var sb = new StringBuilder();
for (int i = 0; i < length; i++)
{
sb.Append(_randomProvider.Next(10).ToString());
}
return(sb.ToString());
}
public void Mutate(int percentageChance)
{
BitArray bytes = GetCoefficients();
for (int i = 0; i < bytes.Length; ++i)
{
if (_randomProvider.Next(100) < percentageChance)
{
bytes[i] = !bytes.Get(i);
}
}
ConvertBitArrayToCoefficients(bytes);
}
private async void GetNextWinner_OnClick(object sender, RoutedEventArgs e)
{
WinnerTextBlock.Visibility = Visibility.Hidden;
BackgroundWorker bw = new BackgroundWorker();
bw.DoWork += bw_DoWork;
bw.RunWorkerAsync();
bw.RunWorkerCompleted += (o, args) =>
{
var final = randomProvider.Next(_data.Count);
SelectedComment.DataContext = _data[final];
WinnerTextBlock.Visibility = Visibility.Visible;
};
}
public void TestMethod1()
{
IRandomProvider randomProvider = NSubstitute.Substitute.For <IRandomProvider>();
randomProvider.Next(0, 0).ReturnsForAnyArgs(5);
SimpleAi simpleAi = new SimpleAi(this.GameController, this.Analyzer, randomProvider, this.MillRuleEvaluator);
Move move = simpleAi.Analyse();
simpleAi.Act(move);
}
public void Mutate(int percentageChance)
{
BitArray bytes = GetAllCoefficientsInBytes();
for (int i = 0; i < bytes.Length; i++)
{
if (_randomProvider.Next(100) < percentageChance)
{
if (bytes.Get(i))
{
bytes[i] = false;
}
else
{
bytes[i] = true;
}
}
}
ConvertByteArrayToCoefficients(bytes);
}
private void CrossoverTwoPolynomials(Polynomial poly1, Polynomial poly2)
{
int cutPosition = _randomProvider.Next((_degreeOfPolynomial + 1) * sizeof(float) * 8);
bool fromBeginning = _randomProvider.Next(2) == 1;
BitArray bytesOne = poly1.GetCoefficients();
BitArray bytesTwo = poly2.GetCoefficients();
if (fromBeginning)
{
for (int i = 0; i < cutPosition; ++i)
{
bool bitOne = bytesOne[i];
bool bitTwo = bytesTwo[i];
if (bitOne != bitTwo)
{
bytesOne[i] = bitTwo;
bytesTwo[i] = bitOne;
}
}
}
else
{
for (int i = cutPosition - 1; i >= 0; --i)
{
bool bitOne = bytesOne[i];
bool bitTwo = bytesTwo[i];
if (bitOne != bitTwo)
{
bytesOne[i] = bitTwo;
bytesTwo[i] = bitOne;
}
}
}
_crossoveredChildren.Add(new Polynomial(_randomProvider, _degreeOfPolynomial, bytesOne));
_crossoveredChildren.Add(new Polynomial(_randomProvider, _degreeOfPolynomial, bytesTwo));
}
private Track GetNext(IList <Track> tracks)
{
if (tracks.Count == 0)
{
return(null);
}
var index = _RandomProvider.Next(tracks.Count);
var result = tracks[index];
_PlayedTracks.Add(result);
return(result);
}
public IList <T> Shuffle <T>(IList <T> list)
{
var listCount = list.Count;
for (int i = 0; i < list.Count; i++)
{
var randomIndex = i + random.Next(listCount - i);
var temp = list[randomIndex];
list[randomIndex] = list[i];
list[i] = temp;
}
return(list);
}
public Polynomial(IRandomProvider randomProvider, int degreeOfPolynomial)
{
if (degreeOfPolynomial < 0)
{
throw new WrongValueException("Degree of polynomial is less than 0");
}
_coefficients = new List <float>(degreeOfPolynomial + 1);
_degree = degreeOfPolynomial;
_randomProvider = randomProvider;
for (int i = 0; i < degreeOfPolynomial + 1; ++i)
{
_coefficients.Add(randomProvider.Next());
}
}
// key - cumulative probability
internal Item GetRandomItem(IDictionary <int, Item> items)
{
var randomNumber = randomProvider.Next(1, 101); //the maxValue is exclusive
Item selectedItem = null;
foreach (var item in items)
{
//randomNumber is betwwen 1 and 100
if (randomNumber <= item.Key)
{
selectedItem = item.Value;
break;
}
}
return(selectedItem);
}
/// <summary>
/// Adapted from https://gist.github.com/mikedugan/8249637
/// </summary>
/// <param name="a">The array to be shuffled</param>
/// <returns>A shuffled array using Fisher-Yates</returns>
public int[] Shuffle(int[] a)
{
int[] shuffled = a;
// go through array, starting at the last-index
for (var i = shuffled.Length - 1; i >= 0; i--)
{
var swapIndex = random.Next(i); // get num between 0 and index, index not included
if (swapIndex == i)
{
continue; // don't replace with itself
}
var temp = shuffled[i]; // get item at index i...
shuffled[i] = shuffled[swapIndex]; // set index i to new item
shuffled[swapIndex] = temp; // place temp-item to swap-slot
}
return(shuffled);
}
public IEnumerable <CatResult> GetRandomCatsFromToday()
{
var today = dateTimeProvider.Now();
var startOfToday = new DateTime(today.Year, today.Month, today.Day, 0, 0, 0);
var random = new Random();
var totalCats = randomProvider.Next(10, 50);
var cats = database
.GetCats()
.Where(c => c.CreatedOn > startOfToday && c.CreatedOn < today)
.Take(totalCats)
.Select(c => new CatResult
{
Name = c.Name
})
.ToList();
return(cats);
}
private void CrossoverSingle(Polynomial poly1, Polynomial poly2)
{
int cutPosition = _randomProvider.Next((_degreeOfPolynomial + 1) * sizeof(double) * 8);
BitArray bytesOne = poly1.GetAllCoefficientsInBytes();
BitArray bytesTwo = poly2.GetAllCoefficientsInBytes();
for (int i = 0; i < cutPosition; i++)
{
bool bitOne = bytesOne[i];
bool bitTwo = bytesTwo[i];
if (bitOne != bitTwo)
{
bytesOne[i] = bitTwo;
bytesTwo[i] = bitOne;
}
}
_crossoveredChildren.Add(new Polynomial(_randomProvider, _degreeOfPolynomial, bytesOne));
_crossoveredChildren.Add(new Polynomial(_randomProvider, _degreeOfPolynomial, bytesTwo));
}
public static T Random <T>(this IEnumerable <T> enumerable, IRandomProvider randomProvider)
{
if (enumerable is null)
{
throw new ArgumentException("Enumerable is null.", "enumerable");
}
if (!enumerable.Any())
{
throw new ArgumentException("Enumerable is empty.", "enumerable");
}
if (randomProvider is null)
{
throw new ArgumentException("Random Provider is null", "randomProvider");
}
var list = enumerable.ToList();
var id = randomProvider.Next(0, list.Count);
return(list[id]);
}
protected override Result Apply(ref GoFishGame game)
{
ResultBuilder resultBuilder = new ResultBuilder();
game.Deck.Shuffle(_randomProvider);
for (int i = 0; i < game.RuleSet.CardsOnStart; i++)
{
foreach (Player player in game.Players)
{
if (game.Deck.TryDraw(out Card card))
{
player.Cards.Add(card);
}
}
}
game.GameState = GameState.Playing;
resultBuilder.AddFeedback($"The game was started!");
switch (game.RuleSet.StartBehaviour)
{
case StartBehaviour.FirstPlayer:
game.CurrentPlayerIndex = 0;
break;
case StartBehaviour.RandomPlayer:
game.CurrentPlayerIndex = _randomProvider.Next(game.Players.Count);
break;
default:
throw new ArgumentException("Unknown option for StartBehaviour", nameof(Models.GoFishGame.RuleSet));
}
resultBuilder.AddFeedback($"The turn was passed to {game.CurrentPlayer.Username}");
return(resultBuilder.Build());
}
public int Pick(IRandomProvider randomProvider, EnvelopePair envelopePair)
{
int amount = 0;
int randomValue = randomProvider.Next(1, max);
/*
* То есть чем меньше сумма в конверте А, тем с большей вероятностью следует сменить конверт и наоборот,
* несколько большая сумма в А говорит о том, что скорее следует оставить первый конверт себе.
*/
if (envelopePair.FirstEnvelope.Amount <= randomValue)
{
amount = envelopePair.SecondEnvelope.Amount;
}
else
{
amount = envelopePair.FirstEnvelope.Amount;
}
if (amount > max)
max = amount;
return amount;
}
public void Shuffle(IRandomProvider randomProvider = null)
{
randomProvider = randomProvider ?? RandomProvider.GetInstance();
_stack.Sort((c1, c2) => randomProvider.Next(-100, 100));
}