wenbao与取整函数

 

 

 1 #include <stdio.h>
 2 #include <math.h>
 3 
 4 int main(){
 5     double number=123.54;
 6     double down,up;
 7     down=floor(number);
 8     up=ceil(number);
 9     printf("original_number%10.2lf\n",number);
10     printf("number_rounded_down%10.2lf\n",down);
11     printf("number_rounded_up%10.2lf\n",up);
12     return 0;
13 }
14 运行结果：
15 original_number　123.54
16 number_rounded_down123.00
17 number_rounded_up124.00

 

 

 

 

 

 

 

 

只有不断学习才能进步！

posted @ 2018-04-14 13:49  wenbao  阅读(142)  评论(0)  编辑  收藏  举报