public async Task TestExponentialDistribution01() { using var rng = new MultiThreadedRng(); var dist = new FastRng.Float.Distributions.ExponentialLa5(rng); var fqa = new 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(1.0002177398625f).Within(0.05f)); Assert.That(result[1], Is.EqualTo(0.951436545064811f).Within(0.05f)); Assert.That(result[2], Is.EqualTo(0.905034437210948f).Within(0.05f)); Assert.That(result[21], Is.EqualTo(0.35001394450853f).Within(0.05f)); Assert.That(result[22], Is.EqualTo(0.332943563002074f).Within(0.05f)); Assert.That(result[23], Is.EqualTo(0.31670571382568f).Within(0.05f)); Assert.That(result[50], Is.EqualTo(0.082102871800213f).Within(0.01f)); Assert.That(result[75], Is.EqualTo(0.023522866606758f).Within(0.01f)); Assert.That(result[85], Is.EqualTo(0.014267339801329f).Within(0.01f)); Assert.That(result[90], Is.EqualTo(0.011111415409621f).Within(0.01f)); Assert.That(result[97], Is.EqualTo(0.007830082099077f).Within(0.008f)); Assert.That(result[98], Is.EqualTo(0.007448204488898f).Within(0.008f)); Assert.That(result[99], Is.EqualTo(0.007084951269538f).Within(0.008f)); }
public async Task TestExponentialGeneratorWithRange01() { using var rng = new MultiThreadedRng(); var dist = new FastRng.Float.Distributions.ExponentialLa5(rng); var samples = new float[1_000];