C fabs() Function
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C fabs() Function
The fabs() function returns the absolute value of the given number.
This function is defined in <math.h> header file.
Note: The abs() is used to calculate the absolute value for integer type numbers whereas fabs() are used for floating type numbers.
Example
C Compiler
#include <stdio.h>
#include <math.h>
int main()
{
printf("fabs(-2.45) = %.2lf\n", fabs(-2.45));
printf("fabs(2.45) = %.2lf", fabs(2.45));
return 0;
}
Output
fabs(-2.45) = 2.45
fabs(2.45) = 2.45
Syntax
double fabs(double x)
Parameter Values
| Value | Type | Explanation |
|---|---|---|
| x | Required | Specifies a floating point value. |
Return Value
| Value | Explanation |
|---|---|
| Number | Returns the absolute value of the given number. |
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