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Fixed cauchy-lorentz function

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This commit is contained in:
Thorsten Sommer 2020-09-26 23:25:28 +02:00
parent 43d9c5858d
commit 8cc4c3c1e9
1 changed files with 2 additions and 2 deletions
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4
FastRng/Double/Distributions/CauchyLorentz.cs
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@ -27,10 +27,10 @@ namespace FastRng.Double.Distributions
public async ValueTask<double> GetDistributedValue(CancellationToken token = default) public async ValueTask<double> GetDistributedValue(CancellationToken token = default)
{ {
if (this.Random == null) if (this.Random == null)
return System.Double.NaN; return double.NaN;
var value = await this.Random.GetUniform(token); var value = await this.Random.GetUniform(token);
return this.Median + scale * Math.Tan(Math.PI * (value - 0.5)); return 1.0 / (Math.PI * this.Scale * (1 + Math.Pow((value - this.Median) / this.Scale, 2)));
} }
} }
} }