NAME
ceil
,
ceilf
- round to smallest integral value greater than or equal to x
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
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
abs(3)
,
fabs(3)
,
floor(3)
,
ieee(3)
,
math(3)
,
rint(3)
STANDARDS
The
ceil
(
) function conforms to ANSI X3.159-1989 (``ANSI C89'') .