47 lines
1.8 KiB
C#
47 lines
1.8 KiB
C#
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using System;
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using System.Diagnostics.CodeAnalysis;
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using System.Linq;
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using System.Threading.Tasks;
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using FastRng.Double;
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using NUnit.Framework;
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namespace FastRngTests.Double.Distributions
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{
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[ExcludeFromCodeCoverage]
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public class BetaA5B2
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{
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[Test]
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[Category(TestCategories.COVER)]
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[Category(TestCategories.NORMAL)]
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public async Task TestBetaDistribution01()
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{
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var dist = new FastRng.Double.Distributions.BetaA5B2();
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var fqa = new FrequencyAnalysis();
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var rng = new MultiThreadedRng();
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for (var n = 0; n < 100_000; n++)
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fqa.CountThis(await rng.NextNumber(dist));
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rng.StopProducer();
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var result = fqa.NormalizeAndPlotEvents(TestContext.WriteLine);
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Assert.That(result[0], Is.EqualTo(0.0000001).Within(0.0000003));
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Assert.That(result[1], Is.EqualTo(0.0000019).Within(0.0000020));
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Assert.That(result[2], Is.EqualTo(0.0000096).Within(0.0000100));
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Assert.That(result[21], Is.EqualTo(0.0222918).Within(0.03));
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Assert.That(result[22], Is.EqualTo(0.0262883).Within(0.03));
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Assert.That(result[23], Is.EqualTo(0.0307623).Within(0.03));
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Assert.That(result[50], Is.EqualTo(0.4044237).Within(0.2));
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Assert.That(result[75], Is.EqualTo(0.9768445).Within(0.03));
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Assert.That(result[85], Is.EqualTo(0.9552714).Within(0.05));
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Assert.That(result[90], Is.EqualTo(0.8004420).Within(0.15));
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Assert.That(result[97], Is.EqualTo(0.2250578).Within(0.03));
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Assert.That(result[98], Is.EqualTo(0.1171927).Within(0.03));
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Assert.That(result[99], Is.EqualTo(0.0000000).Within(0.00));
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}
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}
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}
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