我试图将一个双倍增加到一个整数,
var numberOfBottles = totalVolume / volumeEachBottles
例如numberOfBottles = 275.0 / 250.0 ,这会给我1.1,我需要它来围绕2
numberOfBottles = 275.0 / 250.0
1.1
2
double rounding swift
double ×1
rounding ×1
swift ×1