[英]Python to Swift, While Loop.
我正在尝试将一些代码从python重新编写为swift,但不确定while循环是否正确。 下面的代码显示了python中的while循环,我在下面进一步对其进行了重新编写。 在运行代码时,我似乎得到了一个冻结的模拟器,并进行了一些调试,while循环似乎很好。 也许我想念一些东西。 有什么见解吗?
#parents = [[Int]]
#pop = [[Int]]
parents_length = len(parents)
desired_length = len(pop) - parents_length
children = []
while len(children) < desired_length:
male = randint(0, parents_length-1)
female = randint(0, parents_length-1)
if male != female:
male = parents[male]
female = parents[female]
half = len(male) / 2
child = male[:half] + female[half:]
children.append(child)
Swift代码
//newParents = [[Int]]
//pop = [[Int]]
private func randomIntergerInRange(low:Int, high:Int) -> Int {
let randomGeneratedNumber = low + Int(arc4random()) % (high - low);
return Int(randomGeneratedNumber)
}
let parents_length = newParents.count
let desired_length = pop.count - parents_length
var children : [[Int]] = []
while children.count < desired_length {
let male = randomIntergerInRange(0, high: parents_length - 1)
let female = randomIntergerInRange(0, high: parents_length - 1)
if male != female {
var males = newParents[male] //This should return an individual from the array of parents
var females = newParents[female] ////This should return an individual from the array of parents
let half = males.count / 2
let child = males[0..<half] + females[half..<females.count]
children.append(Array(child))
}
}
试试下面的代码。
import UIKit
var newParents : [[Int]] = [[]]
var pop : [[Int]] = [[]]
private func randomIntergerInRange(low:Int, high:Int) -> Int {
let randomGeneratedNumber = low + Int(arc4random()) % (high - low);
return Int(randomGeneratedNumber)
}
let parents_length = newParents.count
let desired_length = pop.count - parents_length
var children : [[Int]] = []
while children.count < desired_length {
let male = randomIntergerInRange(0, parents_length - 1)
let female = randomIntergerInRange(0, parents_length - 1)
if male != female {
var males = newParents[male] //This should return an individual from the array of parents
var females = newParents[female] ////This should return an individual from the array of parents
let half = males.count / 2
let child = males[0..<half] + females[half..<females.count]
children.append(Array(child))
}
}
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.