code: public static double BrayCurtis(IntPoint p, IntPoint q) {
          return BrayCurtis(p.x, p.y, q.x, q.y);
      }
docs: Gets the Bray Curtis distance between two points.
  
  @param p IntPoint with X and Y axis coordinates.
  @param q IntPoint with X and Y axis coordinates.
  @return The Bray Curtis distance between x and y.