BaseNcoding.BaseBigN.Encode C# (CSharp) Method

        public override string Encode(byte[] data)
        {
            if (data == null || data.Length == 0)
                return "";

            int blockBitsCount, blockCharsCount;
            if (!MaxCompression)
            {
                blockBitsCount = BlockBitsCount;
                blockCharsCount = BlockCharsCount;
            }
            else
            {
                blockBitsCount = data.Length * 8;
                blockCharsCount = (int)Math.Ceiling(blockBitsCount * Math.Log(2, Alphabet.Length));
                PreparePowN(blockCharsCount);
            }

            int mainBitsLength = (data.Length * 8 / blockBitsCount) * blockBitsCount;
            int tailBitsLength = data.Length * 8 - mainBitsLength;
            int globalBitsLength = mainBitsLength + tailBitsLength;
            int mainCharsCount = mainBitsLength * blockCharsCount / blockBitsCount;
            int tailCharsCount = (tailBitsLength * blockCharsCount + blockBitsCount - 1) / blockBitsCount;
            int globalCharsCount = mainCharsCount + tailCharsCount;
            int iterationCount = mainCharsCount / blockCharsCount;

            var result = new char[globalCharsCount];

            if (!Parallel)
                EncodeBlock(data, result, 0, iterationCount, blockBitsCount, blockCharsCount);
            else
            {
                int processorCount = Math.Min(iterationCount, Environment.ProcessorCount);
                System.Threading.Tasks.Parallel.For(0, processorCount, i =>
                {
                    int beginInd = i * iterationCount / processorCount;
                    int endInd = (i + 1) * iterationCount / processorCount;
                    EncodeBlock(data, result, beginInd, endInd, blockBitsCount, blockCharsCount);
                });
            }

            if (tailBitsLength != 0)
            {
                BigInteger bits = GetBitsN(data, mainBitsLength, tailBitsLength);
                BitsToChars(result, mainCharsCount, tailCharsCount, bits);
            }

            return new string(result);
        }