算术运算在我们普通的计算机上很容易实现！但是在我们的DSP上，由于其没有相对应的程序支持，实现就比较麻烦！那么究竟该怎么做呢！就看看吧！-The arithmetic operation is very easy on our ordinary computer to realize! But on ours DSP, because it has not corresponded the procedure support, the realization quite is troubl