C round() Function
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C round() Function
The round()
function returns the value of a number rounded to the nearest integer.
This function is defined in <math.h> header file.
Example
C Compiler
#include <stdio.h>
#include <math.h>
int main()
{
printf("%.lf", round(8.5));
return 0;
}
Output
9
Syntax
double round(double x)
Parameter Values
Value | Type | Explanation |
---|---|---|
x | Required | Specifies a number. |
Return Value
Value | Explanation |
---|---|
Number | Returns the value of the given number rounded to the nearest integer. |
More Examples
Example
C Compiler
#include <stdio.h>
#include <math.h>
int main()
{
printf("round(-8.9) = %.lf\n", round(-8.9));
printf("round(-8.2) = %.lf\n", round(-8.2));
printf("round(-8) = %.lf\n", round(-8));
printf("round(8) = %.lf\n", round(8));
printf("round(8.2) = %.lf\n", round(8.2));
printf("round(8.9) = %.lf\n", round(8.9));
return 0;
}
Output
round(-8.9) = -9
round(-8.2) = -8
round(-8) = -8
round(8) = 8
round(8.2) = 8
round(8.9) = 9
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