forgot ln
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@ -38,5 +38,5 @@ internal fun Buffer<Double>.array(): DoubleArray = when (this) {
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internal inline fun getRandomNormals(n: Int, seed: Long): DoubleArray {
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internal inline fun getRandomNormals(n: Int, seed: Long): DoubleArray {
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val u = Random(seed)
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val u = Random(seed)
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return (0 until n).map { sqrt(-2.0 * u.nextDouble()) * cos(2.0 * PI * u.nextDouble()) }.toDoubleArray()
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return (0 until n).map { sqrt(-2.0 * ln(u.nextDouble())) * cos(2.0 * PI * u.nextDouble()) }.toDoubleArray()
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}
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}
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