M$总晃惦人,C#里Math.Round()似乎在做舍入计算的时候没那么好用,简直可以说是“五舍六入”啦~~~刚开始不知道这茬,计算结果总不对。后来,跟了程序才发现这方法居然忽悠了我。没法子,既然这么不好用,或者说这么没有中国特色,只能自己搞点中国特色出来了。重写Round():
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参数:d表示要四舍五入的数;i表示要保留的小数点后为数。
初步来看效果还不错,基本把书上的题目算了一转,都OK!行了,就这么招吧,别影响GM的精确度就好了 ;-)
最后,简单举个离子,描述下原理:
准备将1.4和1.5四舍五入到整数,那么就先加上0.5,然后截小数点前的那串数字就OK了。我们看,1.4 + 0.5 = 1.9 ==》 截得到1;1.5 + 0.5 = 2.0 ==》 截得到2。这就完成了四舍五入,这个点子真的不错!
PS:点子很牛×,可惜不是我想出来地,真遗憾!感谢网络上的无名英雄了~~~还好点子落实到行动,是由我自己来做的,有点安慰。。。