Lucene.Net.Util.OpenBitSet.ExpandingWordNum C# (CSharp) Method

        protected internal virtual int ExpandingWordNum(long index)
		{
			int wordNum = (int) (index >> 6);
			if (wordNum >= wlen)
			{
				EnsureCapacity(index + 1);
				wlen = wordNum + 1;
			}
			return wordNum;
		}