tst_floor.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 10 行

#include <math.h>
#include <stdio.h>                  /* for printf */
void tst_floor (void) {
   float x;
   float y;
   x = 45.998;
   y = floor (x);
   printf ("FLOOR(%f) = %f\n", x, y); /* prints 45 */
}