ceil : ceil « math.h « C Tutorial






ItemValue
Header filemath.h
Declarationfloat ceilf(float num);
double ceil(double num);
long double ceill(long double num);
Returnreturns the smallest integer not less than num.


  1. Given 1.02, ceil() would return 2.0.
  2. Given -1.02, ceil() would return -1.
#include <math.h>
  #include <stdio.h>

  int main(void)
  {

    printf("%f", ceil(9.9));
   
  }
10.000000








19.10.ceil
19.10.1.ceil