public async Task TestBetaDistribution01()
{
using var rng = new MultiThreadedRng();
var dist = new FastRng.Float.Distributions.BetaA2B5(rng);
var fqa = new Float.FrequencyAnalysis();
for (var n = 0; n < 100_000; n++)
{
fqa.CountThis(await dist.NextNumber());
}
var result = fqa.NormalizeAndPlotEvents(TestContext.WriteLine);
Assert.That(result[0], Is.EqualTo(0.11719271f).Within(0.3f));
Assert.That(result[1], Is.EqualTo(0.22505783f).Within(0.3f));
Assert.That(result[2], Is.EqualTo(0.32401717f).Within(0.3f));
Assert.That(result[21], Is.EqualTo(0.99348410f).Within(0.3f));
Assert.That(result[22], Is.EqualTo(0.98639433f).Within(0.3f));
Assert.That(result[23], Is.EqualTo(0.97684451f).Within(0.3f));
Assert.That(result[50], Is.EqualTo(0.35868592f).Within(0.3f));
Assert.That(result[75], Is.EqualTo(0.03076227f).Within(0.03f));
Assert.That(result[85], Is.EqualTo(0.00403061f).Within(0.03f));
Assert.That(result[90], Is.EqualTo(0.00109800f).Within(0.01f));
Assert.That(result[97], Is.EqualTo(0.00000191f).Within(0.000003f));
Assert.That(result[98], Is.EqualTo(0.00000012f).Within(0.0000003f));
Assert.That(result[99], Is.EqualTo(0.00000000f).Within(0.0000003f));
}
public async Task TestBetaDistribution01()
{
using var rng = new MultiThreadedRng();
var dist = new FastRng.Float.Distributions.BetaA2B2(rng);
var fqa = new Float.FrequencyAnalysis();
for (var n = 0; n < 100_000; n++)
{
fqa.CountThis(await dist.NextNumber());
}
var result = fqa.NormalizeAndPlotEvents(TestContext.WriteLine);
Assert.That(result[0], Is.EqualTo(0.0396f).Within(0.3f));
Assert.That(result[1], Is.EqualTo(0.0784f).Within(0.3f));
Assert.That(result[2], Is.EqualTo(0.1164f).Within(0.3f));
Assert.That(result[21], Is.EqualTo(0.6864f).Within(0.3f));
Assert.That(result[22], Is.EqualTo(0.7084f).Within(0.3f));
Assert.That(result[23], Is.EqualTo(0.7296f).Within(0.3f));
Assert.That(result[50], Is.EqualTo(0.9996f).Within(0.3f));
Assert.That(result[75], Is.EqualTo(0.7296f).Within(0.3f));
Assert.That(result[85], Is.EqualTo(0.4816f).Within(0.3f));
Assert.That(result[90], Is.EqualTo(0.3276f).Within(0.3f));
Assert.That(result[97], Is.EqualTo(0.0784f).Within(0.3f));
Assert.That(result[98], Is.EqualTo(0.0396f).Within(0.3f));
Assert.That(result[99], Is.EqualTo(0.0000f).Within(0.3f));
}
