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Fix possible exception caused by log(0)

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This commit is contained in:
Pasi4K5 2022-06-20 00:19:29 +02:00
parent 3356742ba2
commit a912bcadf8
1 changed files with 2 additions and 2 deletions
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4
osu.Game.Rulesets.Osu/Utils/OsuHitObjectGenerationUtils.cs
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@ -212,8 +212,8 @@ namespace osu.Game.Rulesets.Osu.Utils
public static float RandomGaussian(Random rng, float mean = 0, float stdDev = 1) public static float RandomGaussian(Random rng, float mean = 0, float stdDev = 1)
{ {
double x1 = rng.NextDouble(); double x1 = 1 - rng.NextDouble();
double x2 = rng.NextDouble(); double x2 = 1 - rng.NextDouble();
double stdNormal = Math.Sqrt(-2 * Math.Log(x1)) * Math.Sin(2 * Math.PI * x2); double stdNormal = Math.Sqrt(-2 * Math.Log(x1)) * Math.Sin(2 * Math.PI * x2);
return mean + stdDev * (float)stdNormal; return mean + stdDev * (float)stdNormal;
} }