using System;

public class Program

{

    public static void Main()

    {

            int v = 0x33333333;

            double dval = ToDouble(v);

            double max = GetMaxValue(v);

            string val = string.Format("{0,12:f9}", dval * 10.0 / (max + 1));

            Console.WriteLine(val);

    }

​

        public static double ToDouble(Object obj) {

            switch(Type.GetTypeCode(obj.GetType())) {

                case TypeCode.Byte: return (byte)obj;

                case TypeCode.Char: return (char)obj;

                case TypeCode.Int16: return (short)obj;

                case TypeCode.Int32: return (int)obj;

                case TypeCode.Int64: return (long)obj;

                case TypeCode.SByte: return (sbyte)obj;

                case TypeCode.Single: return (float)obj;

                case TypeCode.UInt16: return (ushort)obj;

                case TypeCode.UInt32: return (uint)obj;

                case TypeCode.UInt64: return (ulong)obj;

            }

            throw new ArgumentException();

        }

​

        public static double GetMaxValue(Object obj) {

            switch(Type.GetTypeCode(obj.GetType())) {

                case TypeCode.Byte: return byte.MaxValue;

                case TypeCode.Char: return char.MaxValue;

                case TypeCode.Int16: return short.MaxValue;

                case TypeCode.Int32: return int.MaxValue;

                case TypeCode.Int64: return long.MaxValue;

                case TypeCode.SByte: return sbyte.MaxValue;

                case TypeCode.Single: return float.MaxValue;

                case TypeCode.UInt16: return ushort.MaxValue;

                case TypeCode.UInt32: return uint.MaxValue;

                case TypeCode.UInt64: return ulong.MaxValue;

            }

            throw new ArgumentException();

        }

}