FABS(3)

NAME
fabs, fabsf - floating-point absolute value functions

SYNOPSIS
#include <math.h>
double
fabs(double x);
float
fabsf(float x);

DESCRIPTION
The fabs() and the fabsf() functions compute the absolute value of a floating-point number x.

RETURN VALUES
The fabs() and the fabsf() functions return the absolute value of x.

SEE ALSO
abs(3), ceil(3), floor(3), ieee(3), math(3), rint(3)

STANDARDS
The fabs() function conforms to ansiC.