CEIL(3)

NAME
ceil, ceilf - round to smallest integral value not greater than x

SYNOPSIS
#include <math.h>
double
ceil(double x);
float
ceil(float x);

DESCRIPTION
The ceil() and the ceilf() functions return the smallest integral value (represented as a double precision number) greater than or equal to x.

SEE ALSO
abs(3), fabs(3), floor(3), ieee(3), rint(3), math(3)

STANDARDS
The ceil() function conforms to ansiC.