FLOOR(3M)
NAME
fabs, floor, ceil − absolute value, floor, ceiling functions
USAGE
#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.