对任意的一组浮点数进行排序，排序规则是成金字塔形，中间最大往后依次是左大右小再左大右小的排列，知道全部排完。-A set of floating-point for any sort, sorting rules are in the pyramid, the largest of big right-left-back followed by major right-small small re-arrangement of the left, know all drained.