public async Task TestExponentialDistribution01() { using var rng = new MultiThreadedRng(); var dist = new FastRng.Double.Distributions.InverseExponentialLa10(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(0.0000501746820562).Within(0.0003)); Assert.That(result[1], Is.EqualTo(0.0000554515994322).Within(0.0003)); Assert.That(result[2], Is.EqualTo(0.0000612834950532).Within(0.0003)); Assert.That(result[21], Is.EqualTo(0.00040973497898).Within(0.00045)); Assert.That(result[22], Is.EqualTo(0.000452827182887).Within(0.00050)); Assert.That(result[23], Is.EqualTo(0.000500451433441).Within(0.00051)); Assert.That(result[50], Is.EqualTo(0.007446583070924).Within(0.003)); Assert.That(result[75], Is.EqualTo(0.090717953289412).Within(0.02)); Assert.That(result[85], Is.EqualTo(0.246596963941606).Within(0.05)); Assert.That(result[90], Is.EqualTo(0.406569659740598).Within(0.08)); Assert.That(result[97], Is.EqualTo(0.81873075307798).Within(0.08)); Assert.That(result[98], Is.EqualTo(0.904837418035957).Within(0.08)); Assert.That(result[99], Is.EqualTo(0.999999999999999).Within(0.08)); }
public async Task TestExponentialGeneratorWithRange01() { using var rng = new MultiThreadedRng(); var dist = new FastRng.Double.Distributions.InverseExponentialLa10(rng); var samples = new double[1_000];