C ceil() Function

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; }

Syntax

ceil(data_type x)

Parameter Values

ValueTypeExplanation
xRequiredSpecifies a number.

Return Value

ValueExplanation
NumberReturns 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; }

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