FABS(3)

NAME
1.18 `fabs', `fabsf'--absolute value (magnitude)

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

DESCRIPTION
`fabs' and `fabsf' calculate 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.

PORTABILITY
`fabs' is ANSI. `fabsf' is an extension.

SEE ALSO
fabs is part of the library. The full documentation for is maintained as a Texinfo manual. If info and are properly installed at your site, the command

    info

will give you access to the complete manual.