public async Task TestGammaDistribution01() { using var rng = new MultiThreadedRng(); var dist = new FastRng.Double.Distributions.GammaA5B15(rng); var fra = new FrequencyAnalysis(); for (var n = 0; n < 100_000; n++) { fra.CountThis(await dist.NextNumber()); } var result = fra.NormalizeAndPlotEvents(TestContext.WriteLine); Assert.That(result[0], Is.EqualTo(0.0000929594237282).Within(0.0008)); Assert.That(result[1], Is.EqualTo(0.0012801746797876).Within(0.002)); Assert.That(result[2], Is.EqualTo(0.0055781488254349).Within(0.004)); Assert.That(result[21], Is.EqualTo(0.9331608887752720).Within(0.09)); Assert.That(result[22], Is.EqualTo(0.9594734828891280).Within(0.09)); Assert.That(result[23], Is.EqualTo(0.9790895765535350).Within(0.09)); Assert.That(result[50], Is.EqualTo(0.3478287795336570).Within(0.06)); Assert.That(result[75], Is.EqualTo(0.0403399049422936).Within(0.009)); Assert.That(result[85], Is.EqualTo(0.0163628388658126).Within(0.009)); Assert.That(result[90], Is.EqualTo(0.0097147611446660).Within(0.005)); Assert.That(result[97], Is.EqualTo(0.0041135143233153).Within(0.008)); Assert.That(result[98], Is.EqualTo(0.0036872732029996).Within(0.008)); Assert.That(result[99], Is.EqualTo(0.0033038503429554).Within(0.008)); }
public async Task TestGammaGeneratorWithRange01() { using var rng = new MultiThreadedRng(); var dist = new FastRng.Double.Distributions.GammaA5B15(rng); var samples = new double[1_000];