using System;

public class Program

{

    public static void Main(string[] args)

    {

        Console.WriteLine($"{Math.Round(0.5)} = round(0.5)");

        Console.WriteLine($"{ToBinaryString(0.5)} = binary 0.5");

        Console.WriteLine();

        Console.WriteLine($"{Math.Log(1, 2)} = log2(1)");

        Console.WriteLine($"{ToBinaryString(Math.Log(1, 2))} = binary log2(1)");

        Console.WriteLine();

        Console.WriteLine($"{Math.Round(Math.Log(1, 2) + 0.5)} = round(log2(1) + 0.5)");

        Console.WriteLine($"{ToBinaryString(Math.Log(1, 2) + 0.5)} = binary log2(1) + 0.5");

        Console.WriteLine();

        Console.WriteLine($"{Math.Round(0.0 + 0.5)} = round(0.0 + 0.5");

        Console.WriteLine($"{ToBinaryString(0.0 + 0.5)} = binary 0.0 + 0.5");

        Console.WriteLine();

        Console.WriteLine($"{Math.Log(1, 2) + 0.5 == 0.5} = Math.Log(1, 2) + 0.5 == 0.5");

        Console.WriteLine($"{Math.Log(1, 2) == 0.0} = Math.Log(1, 2) == 0.0");

    }

    static string ToBinaryString(double value)

    {

        const int bitCount = sizeof(double) * 8;

        long intValue = System.BitConverter.ToInt64(BitConverter.GetBytes(value), 0);

        return Convert.ToString(intValue, 2).PadLeft(bitCount, '0');

    }

}