IsPowerOfTwo

bool System.Numerics.BigInteger.IsPowerOfTwo

get

Definition at line 38 of file BigInteger.cs.

    {
        get
        {
            if (_bits == null)
            {
                if ((_sign & (_sign - 1)) == 0)
                {
                    return _sign != 0;
                }
                return false;
            }
            if (_sign != 1)
            {
                return false;
            }
            int num = _bits.Length - 1;
            if ((_bits[num] & (_bits[num] - 1)) != 0)
            {
                return false;
            }
            while (--num >= 0)
            {
                if (_bits[num] != 0)
                {
                    return false;
                }
            }
            return true;
        }
    }