using System;

using System.Text;

using System.Runtime.InteropServices;

​

[StructLayout(LayoutKind.Explicit, Size=4)]

public struct UnionFloatBytes

{

    [FieldOffset(0)]

    public float FloatValue;

    [FieldOffset(0)]

    public byte Byte0;

    [FieldOffset(1)]

    public byte Byte1;

    [FieldOffset(2)]

    public byte Byte2;

    [FieldOffset(3)]

    public byte Byte3;

​

    public static implicit operator UnionFloatBytes(float val)

    {

        return new UnionFloatBytes { FloatValue = val };

    }

}

public class Program

{

    public static void Main()

    {

        UnionFloatBytes ubs = 0.1f;

        //UnionFloatBytes ubs = new UnionFloatBytes { FloatValue = 0.3f };

        Console.WriteLine(ubs.FloatValue);

        byte[] floatBytes = BitConverter.GetBytes(ubs.FloatValue);

        Console.WriteLine(floatBytes[3]+" "+floatBytes[2]+" "+floatBytes[1]+" "+floatBytes[0]);

        Console.WriteLine(ubs.Byte3+" "+ubs.Byte2+" "+ubs.Byte1+" "+ubs.Byte0);

    }

}