ceil(3) BSD Library Functions Manual ceil(3)
NAME
ceil -- round to smallest integral value not less than x
SYNOPSIS
#include <math.h>
double
ceil(double x);
long double
ceill(long double x);
float
ceilf(float x);
DESCRIPTION
The ceil() functions return the smallest integral value greater than or
equal to x.
SPECIAL VALUES
ceil(+-0) returns +-0.
ceil(+-infinity) returns +-infinity.
SEE ALSO
abs(3), fabs(3), floor(3), rint(3), math(3)
STANDARDS
The ceil() functions conform to ISO/IEC 9899:1999(E).
BSD December 11, 2006 BSD
Mac OS X 10.6 - Generated Thu Sep 17 20:18:45 CDT 2009