Function ceil() rounds up a given number to its ceil, namely returns the smallest integer that is no less than the number.

Arguments：

• Number <number>

Returns：

• Ceil <number>

Common Usage

Example: round up -45.2 and return the value after calculation

return ceil(-45.2) 

Example: Find 10 @transfer edges, and return their amounts after rounding up

find().edges({@transfer}) as e
limit 10
return ceil(e.amount)