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)