public void NextFloatTest()
{
for (int i = 0; i < N; i++)
{
var v = _rng.NextFloat();
Assert.That(v >= 0f);
Assert.That(v <= 1.0f);
}
}
public void NextFloatBoundsTest()
{
var pcg = new PcgExtended(42);
for (int i = 0; i < N; i++)
{
var aVal = pcg.NextFloat();
Assert.That(aVal <= 1.0f);
Assert.That(aVal >= 0.0f);
}
}
public void NextFloatUpperBoundTest()
{
var maxV = 2.5f;
var pcg = new PcgExtended(42);
for (int i = 0; i < N; i++)
{
var aVal = pcg.NextFloat(maxV);
Assert.That(aVal <= maxV);
Assert.That(aVal >= 0.0f);
}
}
public void NextFloatIntervalTest()
{
var minV = -10f;
var maxV = 2.5f;
var pcg = new PcgExtended(42);
for (int i = 0; i < N; i++)
{
var aVal = pcg.NextFloat(minV, maxV);
Assert.That(aVal <= maxV);
Assert.That(aVal >= minV);
}
}
public void NextFloatMeanTest(float val)
{
var minV = -val;
var maxV = val;
var pcg = new PcgExtended(42);
var rsum = 0.0f;
var lTol = 0.1f * (maxV - minV);
for (int i = 0; i < N; i++)
{
rsum += pcg.NextFloat(minV, maxV);
}
var mean = rsum / N;
Assert.That(mean, Is.EqualTo(0.0f).Within(lTol));
}
/// <summary>
/// Returns a random single precision floating point number within the given interval.
/// </summary>
/// <param name="this">The this.</param>
/// <param name="interval">The interval.</param>
public static float NextFloat(this PcgExtended @this, Interval <float> interval)
{
return(@this.NextFloat(interval.LowerBound, interval.UpperBound));
}