public void Shift128SpeedTest()
{
Random r = new Random();
r.Next();
WeakRandom.XorShift128();
Stopwatch s = new Stopwatch();
s.Start();
for (int i = 0; i < 1000000; i++)
{
r.Next();
}
long libraryTime = s.ElapsedTicks;
s.Restart();
for (int i = 0; i < 1000000; i++)
{
WeakRandom.XorShift128();
}
long xorTime = s.ElapsedTicks;
Assert.IsTrue(xorTime < libraryTime);
}
public void Add(T item)
{
if (head._right == null)
{
var newNode = new Skiplist <T> .Node <T>(item);
head._right = newNode;
newNode._left = head;
newNode._right = tail;
tail._left = newNode;
}
else
{
var newNode = AddNodeToBottomLevel(item);
int curHeight = 1;
while (WeakRandom.XorShift128(2) % 4 == 0)
{
curHeight++;
if (curHeight > maxHeight) //need to add a new head/tail level
{
AddLevel();
}
AddUpperNode(item, newNode);
}
}
}
public void btnOneMore_Click(object sender, EventArgs args)
{
WeakRandom rnd = (WeakRandom)Session["Random"];
IList <uint> numbers = (IList <uint>)Session["Numbers"];
numbers.Add(rnd.Next(MIN, MAX));
lblSequence.Text = "Sequence: " + Print(numbers);
}
public void Shift128ModTest()
{
int count = 0;
for (int i = 0; i < 100000; i++)
{
int a = WeakRandom.XorShift128(2);
if (a == 0)
{
count++;
}
}
Assert.IsTrue(count > 49500 && count < 50500);
}
public void Shift128Test2()
{
var generated = new List <int>();
for (int i = 0; i < 100000; i++)
{
int a = WeakRandom.XorShift128();
generated.Add(a);
}
int count = generated.Count(q => q % 2 == 0);
Assert.IsTrue(count > 49500 && count < 50500);
count = generated.Count(q => q > Int32.MaxValue / 2);
Assert.IsTrue(count > 49500 && count < 50500);
}
public void Reset()
{
Session["Random"] = new WeakRandom();
var rnd = (WeakRandom)Session["Random"];
IList <uint> numbers = new List <uint>();
for (int i = 0; i < INIT_NUMBERS; i++)
{
numbers.Add(rnd.Next(MIN, MAX));
}
Session["Numbers"] = numbers;
}
public void btnGo_Click(object sender, EventArgs args)
{
WeakRandom rnd = (WeakRandom)Session["Random"];
uint next = rnd.Peek(MIN, MAX);
if (txtNextNumber.Text == next.ToString())
{
lblResult.Text = "You found it!";
}
else
{
lblResult.Text = "Sorry please try again.";
}
}
public void Shift128Test()
{
var generated = new List <int>();
for (int i = 0; i < 1000; i++)
{
int a = WeakRandom.XorShift128();
generated.Add(a);
}
foreach (int i in generated)
{
if (generated.Count(q => q == i) > 2)
{
Assert.Fail();
}
}
}
