FABS(3)

NAME
       fabs - absolute value of floating-point number

SYNOPSIS
       #include <<math.h>>

       double fabs(double x);

DESCRIPTION
       The  fabs()  function  returns  the  absolute value of the
       floating-point number x.

CONFORMING TO
       SVID 3, POSIX, BSD 4.3, ISO 9899

SEE ALSO
       abs(3) ceil(3) floor(3) labs(3) rint(3)