code: public FloatPoint Add(FloatPoint point1, FloatPoint point2) {
          FloatPoint result = new FloatPoint(point1);
          result.Add(point2);
          return result;
      }
docs: Adds values of two points.
  
  @param point1 FloatPoint.
  @param point2 FloatPoint.
  @return A new FloatPoint with the add operation.