NewTOAPIA.Drawing.image_filter_mitchell.calc_weight C# (CSharp) Method

        public double calc_weight(double x)
        {
            if (x < 1.0) return p0 + x * x * (p2 + x * p3);
            if (x < 2.0) return q0 + x * (q1 + x * (q2 + x * q3));
            return 0.0;
        }
    };