`ceil`

Returns the smallest integer value not less than N, expressed as a float.

FLOAT ceil(NUMBER N)

Table 1. `ceil` Function examples
Expression	Result
`ceil(1.3)`	2.000000
`ceil(1.5)`	2.000000
`ceil(1.7)`	2.000000
`ceil(-1.3)`	-1.0000000
`ceil(-1.5)`	-1.0000000
`ceil(-1.7)`	-1.0000000