AIXI.Utils.LogBase2 C# (CSharp) Метод

        public static int LogBase2(int value)
        {
            //note: from stack overflow, URL forgotten.
            int log = 31;
            while (log >= 0)
            {
                uint mask = ((uint)1 << log);
                if ((mask & value) != 0)
                    return log;
                log--;
            }
            return -1;
        }