public async Task TestExponentialDistribution01()
{
using var rng = new MultiThreadedRng();
var dist = new FastRng.Double.Distributions.InverseExponentialLa5(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(0.007083408929052).Within(0.008));
Assert.That(result[1], Is.EqualTo(0.007446583070924).Within(0.008));
Assert.That(result[2], Is.EqualTo(0.007828377549226).Within(0.008));
Assert.That(result[21], Is.EqualTo(0.020241911445804).Within(0.05));
Assert.That(result[22], Is.EqualTo(0.021279736438377).Within(0.05));
Assert.That(result[23], Is.EqualTo(0.022370771856166).Within(0.05));
Assert.That(result[50], Is.EqualTo(0.08629358649937).Within(0.02));
Assert.That(result[75], Is.EqualTo(0.301194211912202).Within(0.03));
Assert.That(result[85], Is.EqualTo(0.496585303791409).Within(0.05));
Assert.That(result[90], Is.EqualTo(0.637628151621772).Within(0.06));
Assert.That(result[97], Is.EqualTo(0.904837418035959).Within(0.08));
Assert.That(result[98], Is.EqualTo(0.951229424500713).Within(0.08));
Assert.That(result[99], Is.EqualTo(1).Within(0.08));
}
public async Task TestExponentialGeneratorWithRange01()
{
using var rng = new MultiThreadedRng();
var dist = new FastRng.Double.Distributions.InverseExponentialLa5(rng);
var samples = new double[1_000];
