Rounding in Swift with round()

Question

While playing around, I found the round() function in swift. It can be used as below:

round(0.8)

Which will return 1, as expected. Here\'s

Answer 1

Here's one way to do it. You could easily do this for Float, or probably make it generic so it's for any of those.

public extension CGFloat {
    func roundToDecimals(decimals: Int = 2) -> CGFloat {
        let multiplier = CGFloat(10^decimals)
        return round(multiplier * self) / multiplier
    }
}