tst_ceil.c

来自「这是《Keil Cx51 V7.0单片机高级语言编程与uVision2应用实践》」· C语言 代码 · 共 11 行

#include <math.h>
#include <stdio.h>                 /* for printf */
void tst_ceil (void) {
   float x;
   float y;
   x = 45.998;
   y = ceil (x);
   printf ("CEIL(%f) = %f\n", x, y);
         /* output is "CEIL(45.998) = 46" */
}