Name
ceil — Return the ceiling of a floating-point value
Usage
Float.ceil(num)
num
Description
Returns the smallest integer value that is less than or equal to
num. Returns
num itself if it’s an integer.
Returns invalid if num
can’t be converted to floating point or if the result
won’t fit into an integer.
Examples
Float.ceil(17.0)
returns integer 17
Float.ceil(17.4)
returns integer 18
Float.ceil(17.5)
returns integer 18
Float.ceil(-17.0)
returns integer -17
Float.ceil(-17.4)
returns integer -17
Float.ceil(-17.5)
returns integer -17
Float.ceil(5e10)
returns invalid
Float.ceil(-5e10)
returns invalid
Float.ceil("foo")returns invalid
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