Azmyth.Procedural.AzmythNoise.Noise C# (CSharp) Method

        double Noise(int x, int y)
        {
            int n = x + y * 57;

            n = (n << 13) ^ n;

            int t = (n * (n * n * 15731 + 789221) + 1376312589) & 0x7fffffff;

            return 1.0 - ((double)t) * 0.931322574615478515625e-9;/// 1073741824.0);
        }