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