public static double Confine(this double v,double maxAbs) { return v.Confine(-maxAbs, maxAbs); }
public static double Confine(this double v,PointD range) { return v.Confine(range.X, range.Y); }
public static int Confine(this int v, Point range) { return v.Confine(range.X, range.Y); }