public double Next()
{
if (isSaved)
{
isSaved = false;
return(saved);
}
double
x = 1.0,
y = 1.0,
s = 1.0;
do
{
x = 2 * random.Next() - 1;
y = 2 * random.Next() - 1;
s = x * x + y * y;
} while (s > 1 || s == 0);
double
z0 = x * Math.Sqrt(-2.0 * Math.Log(s) / s),
z1 = y * Math.Sqrt(-2.0 * Math.Log(s) / s);
saved = z1;
isSaved = true;
return(z0);
}
public double Next()
{
int index = (int)(K * rand2.Next());
double result = table[index];
table[index] = rand1.Next();
return(result);
}
public double Next()
{
double x = 0.0;
do
{
x = random.Next();
} while (x == 0.0);
return(-Math.Log(x) / a);
}
public MacLarenRandom(RandomBSV rand1, RandomBSV rand2)
{
table = new double[K];
this.rand1 = rand1;
this.rand2 = rand2;
for (int i = 0; i < K; i++)
{
table[i] = rand1.Next();
}
}
public double Next()
{
double y = random.Next();
if (y < 0.5)
{
return(1.0 / a * Math.Log(2 * y));
}
else
{
return(-1.0 / a * Math.Log(2 * (1 - y)));
}
}
public double Next()
{
double a = random.Next();
if (a < pi[0])
{
return(distributions[0].Next());
}
else
{
return(distributions[1].Next());
}
}