private void TestContinuousDistributionShape(
IContinuousGenerator distribution,
double min,
double max,
double[] expectedShape,
double expectedUnderflow,
double expectedOverflow,
int avgSamplesPerBucket,
double absoluteAccuracy,
string message)
{
DistributionShape shape = DistributionShape.CreateMinMax(expectedShape.Length, min, max);
int sampleCount = expectedShape.Length * avgSamplesPerBucket;
for (int i = 0; i < sampleCount; i++)
{
shape.Push(distribution.NextDouble());
}
double scale = 1.0 / (avgSamplesPerBucket * expectedShape.Length);
Assert.That(shape.Underflow * scale, Is.EqualTo(expectedUnderflow).Within(absoluteAccuracy), message + " Underflow");
Assert.That(shape.Overflow * scale, Is.EqualTo(expectedOverflow).Within(absoluteAccuracy), message + " Overflow");
for (int i = 0; i < expectedShape.Length; i++)
{
Assert.That(shape[i] * scale, Is.EqualTo(expectedShape[i]).Within(absoluteAccuracy), message + " Bucket " + i);
}
}
public void TestDistributionShapeTestHelper()
{
DistributionShape shape = DistributionShape.CreateMinMax(2, -1.0, +1.0);
shape.Push(-1.5); // underflow
shape.Push(-1.0); // 0
shape.Push(-0.5); // 0
shape.Push(0.0); // 1
shape.Push(0.5); // 1
shape.Push(1.0); // overflow
shape.Push(1.5); // overflow
Assert.That(shape.Underflow, Is.EqualTo(1), "underflow");
Assert.That(shape.Overflow, Is.EqualTo(2), "overflow");
Assert.That(shape[0], Is.EqualTo(2), "0");
Assert.That(shape[1], Is.EqualTo(2), "1");
}