public static RealNumber GetMaximumError(this RealNumber[] a, RealNumber[] b) { RealNumber maxerr = 0; for (int i = Math.Max(a.Length, b.Length); --i >= 0;) { maxerr = RealNumber.Max(maxerr, RealNumber.Abs(a[i] - b[i])); } return(maxerr); }