CEIL(3) Library Functions Manual CEIL(3)
NAME
ceil, ceilfround to smallest integral value greater than or equal to x
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
double
ceil(double x);
float
ceilf(float x);
DESCRIPTION
The ceil() and ceilf() functions return the smallest integral value greater than or equal to x.
SEE ALSO
STANDARDS
The ceil() function conforms to ANSI X3.159-1989 (“ANSI C”).