# C fabs()

<style type="text/css"><!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> </style> c fabs function, fabs() in c, c fabs() function with examples, fabs method, the fabs method in c

``````
double fabs(double x); #where x should be in double
```
```

## fabs() Parameters:

The fabs() function takes a single parameter in double. In case to find the absolute value of integer or float we can explicitly convert the number to double.

Parameter Description Required / Optional
double value whose absolute value need to be find Required

## fabs() Return Value

The return value of fabs() function is a number in double.

Input Return Value
double value absolute value(in double)

## Examples of fabs()

### Example 1: Working of fabs() function in C?

``````
#include <stdio.h>
#include <math.h>
int main()
{
double k, output;

k = -3.70;
output = fabs(k);
printf("The |%.2lf| =  %.2lf\n", k, output);

k = 9.20;
output = fabs(k);
printf("The |%.2lf| =  %.2lf\n", k, output);

k = 0.10;
output = fabs(k);
printf("The |%.2lf| =  %.2lf\n", k, output);

return 0;

}
```
```

Output:

```
The |-3.70| =  3.70
The |9.20| =  9.20
The |0.10| =  0.10

```

### Example 2: How fabs() function worked in C?

``````
#include <stdio.h>
#include <math.h>
int main () {
int x, y;
x = 4325;
y = -122;

printf("Absolute value of %d is %lf\n", x, fabs(x));
printf("Absolute value of %d is %lf\n", y, fabs(y));

return(0);
}
```
```

Output:

```
Absolute value of 4325 is 4325.000000
Absolute value of -122 is 122.000000
```
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