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fabs, fabsf
[absolute value (magnitude)]

SYNOPSIS

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

DESCRIPTION

fabs and fabsf calculate x, the absolute value (magnitude) of the argument, x, by direct manipulation of the bit representation of x.

RETURNS

The calculated value is returned. No errors are detected.

COMPLIANCE

fabs is ANSI. fabsf is an extension.