Dart math clamp

This property returns the ceiling value, that is the smallest integer greater than or equal to a number .

Dart Programming – floor Method

ceil of a number is the smallest integer value that is greater than or equal to that number. Similarly, floor of a number is the largest number that is less than or equal to that number . To find the ceil and floor, Number class of dart provides two methods called Number.

You can simply use this library by importing it in your code like below :