public static Gini Given(this Gini e, Vector x)
 {
     if (e._x != null)
     {
         return new Gini {
                    _x = x, _y = e._x, _conditional = true
         }
     }
     ;
     else
     {
         throw new InvalidOperationException("Cannot Invoke Given Clause Given Empty Operand!");
     }
 }
 public static Gini WithWidth(this Gini e, int width)
 {
     e._width = width;
     return(e);
 }