format decimal place swift
let tip: Double = 15.2847320
let tipText: String = String(format: "%.2f", tip)
// %.2f for two decimal placesformat decimal place swift
let tip: Double = 15.2847320
let tipText: String = String(format: "%.2f", tip)
// %.2f for two decimal placesxcode truncate number of decimal places of double
//Multiply the double you want to round by 10^(the number of decimal place precision you want), use the "round()" function, then divide by that number again
let x = 1.23556789
let y = Double(round(1000*x)/1000)
print(y) // 1.236Copyright © 2021 Codeinu
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