public static Complex Round(Complex a)
{
if (!a.IsReal()) return new Complex(Round(a.Real), Round(a.Imaginary), a.ViewMode, a.IsIndeterminate());
return Abs(Frac(a)) < 0.5 ? Floor(a) : Ceil(a);
}
public static Complex Round(Complex a, Complex b)
{
return new Complex(Math.Round(a.Real, (int)b), Math.Round(a.Imaginary, (int)b), a.ViewMode, a.IsIndeterminate());
}