NAME
        IEEEDPAbs -- compute absolute value of IEEE double precision argument

   SYNOPSIS
          x   = IEEEDPAbs(  y  );
        d0/d1             d0/d1

        double  x,y;

   FUNCTION
        Take the absolute value of argument y and return it to caller.

   INPUTS
        y -- IEEE double precision floating point value

   RESULT
        x -- IEEE double precision floating point value

   BUGS

   SEE ALSO