public async Task TestExponentialDistribution01()
{
using var rng = new MultiThreadedRng();
var dist = new FastRng.Float.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(0.0000501746820562f).Within(0.0003f));
Assert.That(result[1], Is.EqualTo(0.0000554515994322f).Within(0.0003f));
Assert.That(result[2], Is.EqualTo(0.0000612834950532f).Within(0.0003f));
Assert.That(result[21], Is.EqualTo(0.00040973497898f).Within(0.00045f));
Assert.That(result[22], Is.EqualTo(0.000452827182887f).Within(0.00050f));
Assert.That(result[23], Is.EqualTo(0.000500451433441f).Within(0.0006f));
Assert.That(result[50], Is.EqualTo(0.007446583070924f).Within(0.003f));
Assert.That(result[75], Is.EqualTo(0.090717953289412f).Within(0.02f));
Assert.That(result[85], Is.EqualTo(0.246596963941606f).Within(0.05f));
Assert.That(result[90], Is.EqualTo(0.406569659740598f).Within(0.08f));
Assert.That(result[97], Is.EqualTo(0.81873075307798f).Within(0.08f));
Assert.That(result[98], Is.EqualTo(0.904837418035957f).Within(0.08f));
Assert.That(result[99], Is.EqualTo(0.999999999999999f).Within(0.08f));
}
public async Task TestExponentialGeneratorWithRange01()
{
using var rng = new MultiThreadedRng();
var dist = new FastRng.Float.Distributions.InverseExponentialLa10(rng);
var samples = new float[1_000];
