Method nextGaussian

src/main/java/trace/random/Random.kt:77–87

    fun nextGaussian(): Double {
        while (bi < 0)
            nextDouble(1.0)

        bi = 0
        T = 0.0
        b = source.nextGaussian()
        return b
    }

    fun nextGaussian(increment: Double): Double {
        val i = if (increment > 4) increment % 4 else increment
        T += i
        while (bi < Math.floor(T)) {
            a = b