public void Test_RandomInt_CheckInterval()
{
var a1 = RandomTools.RandomInt(0, 1);
var a2 = RandomTools.RandomInt(0, 9000);
var a3 = RandomTools.RandomInt(-10, 10);
var rez1 = (a1 == 0);
var rez2 = ((a2 >= 0) && (a2 < 9000));
var rez3 = ((a3 >= -10) && (a3 < 10));
Assert.IsTrue(rez1);
Assert.IsTrue(rez2);
Assert.IsTrue(rez3);
}
/// <summary>
/// Method that make reservoir sampling.
/// </summary>
/// <param name="number">Number of current element</param>
/// <returns></returns>
int Vitter(int number)
{
if (number < MaxPointsInTree)
{
return(number);
}
var r = RandomTools.RandomInt(0, number);
if (r < MaxPointsInTree)
{
return(r);
}
else
{
return(-1);
}
}