C#算法---求2进制的问题

 1using System;
 2using System.Collections.Generic;
 3using System.Linq;
 4using System.Text;
 5
 6namespace NumnerOutput
 7{
 8    class Program
 9    {
10        static void Main(string[] args)
11        {
12            List<double> d = Get2PowArray(10);
13            foreach (double dd in d)
14            {
15                Console.WriteLine(dd.ToString());
16            }
17            Console.ReadKey();
18        }
19        public static double pow2(double n)
20        {
21            double i = 0;
22            
23            while (Math.Pow(2, i) < n)
24            {
25                i++;
26            }
27            if (Math.Pow(2, i) > n)
28                return --i;
29            else 
30                return i;
31        }
32        public static List<double> Get2PowArray(double n)
33        {
34            double temp = n;
35            List<double> arrayList = new List<double>();
36            while (temp >= 1)
37            {
38                double maxIndex = pow2(temp);
39                temp -= Math.Pow(2,maxIndex);
40                arrayList.Add(Math.Pow(2,maxIndex));
41            }
42            return arrayList;
43        }
44        
45    }
46}
47