Name

ceiling — Returns the smallest integer that is not less than the argument.

Synopsis

integer ceiling ( num number );

Description

This function returns the smallest (closest to negative infinity) number that is not less than the argument and that is an integer. In other words, it "rounds up" the given value.

Parameters

num

The value to be "rounded up"

Return Types

Examples

Example24.567.

The following expressions are true:

ceiling(2.5) = 3
ceiling(2) = 2
ceiling(-2.5) = -2
ceiling(-2) = -2


See Also

floor() round()