C ceil() Function
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C ceil() Function
The ceil() function returns a number representing the nearest integer which is greater than or equal to the given number.
This function is defined in <math.h> header file.
Example
C Compiler
#include <stdio.h>
#include <math.h>
int main()
{
printf("%.lf", ceil(8.2));
return 0;
}
Output
9
Syntax
ceil(data_type x)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| x | Required | Specifies a number. |
Return Value
| Value | Explanation |
|---|---|
| Number | Returns a number representing the nearest integer which is greater than or equal to the given number. |
More Examples
Example
C Compiler
#include <stdio.h>
#include <math.h>
int main()
{
printf("ceil(-8.9) = %.lf\n", ceil(-8.9));
printf("ceil(-8.2) = %.lf\n", ceil(-8.2));
printf("ceil(-8) = %.lf\n", ceil(-8));
printf("ceil(8) = %.lf\n", ceil(8));
printf("ceil(8.2) = %.lf\n", ceil(8.2));
printf("ceil(8.9) = %.lf\n", ceil(8.9));
return 0;
}
Output
ceil(-8.9) = -8
ceil(-8.2) = -8
ceil(-8) = -8
ceil(8) = 8
ceil(8.2) = 9
ceil(8.9) = 9
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