NAME
ceil, ceilf,
ceill —
round to smallest integral value
greater than or equal to x
SYNOPSIS
#include
<math.h>
double
ceil(double
x);
float
ceilf(float
x);
long double
ceill(long
double x);
DESCRIPTION
The
ceil()
function returns the smallest integral value greater than or equal to
x. The
ceilf()
function is a single precision version of ceil().
The
ceill()
function is an extended precision version of
ceil().
SEE ALSO
STANDARDS
The ceil() function conforms to
ANSI X3.159-1989
(“ANSI C89”).