opendarwin man page for ceil

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);

     float
     ceilf(float x);

DESCRIPTION
     The ceil() and ceilf() 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), ieee(3), rint(3), math(3)

STANDARDS
     The ceil() and ceilf() functions conform to ISO/IEC 9899:1999(E).

BSD
								   July 2, 2003 							       BSD