Artemis.Engine.Maths.SpecialFunctions.Erf C# (CSharp) Method

        public static double Erf(double x)
        {
            double y, z;

            if (Math.Abs(x) > 1.0) return (1.0 - Erfc(x));
            z = x*x;
            y = x*polevl(z, ERF_T, 4)/p1evl(z, ERF_U, 5);
            return y;
        }