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 July 2, 2003 BSD
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