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