贴上代码:
//
// main.swift
// HelloSwift
//
// Created by BearKuan on 15/11/22.
// Copyright © 2015年 BearKuan. ****All rights reserved.
//
import Foundation
print("Hello, World!")
var m = 100.0
var i = 0.1
while(i<99.9){
i = i + 0.2
m = m + 0.1;
print (m)
}
m = m - 99.9
print("m=",m)
贴上结果
。。。。。。
149.399999999997
149.499999999997
149.599999999997
149.699999999997
149.799999999997
149.899999999997
m= 49.9999999999972
Program ended with exit code: 0