FLOOR(3M)                                               FLOOR(3M)

     NAME
          fabs, floor, ceil - absolute value, floor, ceiling functions

     SYNOPSIS
          #include <math.h>

          double floor(x)
          double x;

          double ceil(x)
          double x;

          double fabs(x)
          double x;

     DESCRIPTION
          Fabs returns the absolute value |x|.

          Floor returns the largest integer not greater than x.

          Ceil returns the smallest integer not less than x.

     SEE ALSO
          abs(3), frexp(3) for modf()