Function roundUp

roundUp(numToRound: number, multiple: number): number
Rounds a number up to nearest multiple.
Parameters
- numToRound: number
  The number to round up.
- multiple: number
  The multiple to round up to.
Returns number
A number rounded up to nearest multiple.
Example
```
math.roundUp(17, 4); // returns 20
math.roundUp(16, 4); // returns 16
```
- Defined in core/math/math.js:304