fabs() - math.h

The C library function double fabs(double x) returns the absolute value of x.

Syntax

double fabs(double x)

Example

#include <stdio.h>
#include <math.h>

int main ()
{
   int a, b;
   a = 1234;
   b = -344;
  
   printf("The absolute value of %d is %lf
", a, fabs(a));
   printf("The absolute value of %d is %lf
", b, fabs(b));
   
   return(0);
}

Output / Return Value

The absolute value of 1234 is 1234.000000
The absolute value of -344 is 344.000000

Limitations

Alternatives / See Also

Reference