code: protected final void slicingBy4 (final int[] data) {
  
          final int n = data.length;
          for (int i = 0; i < n; i++) {
              slicingBy4(data[i]);
          }
  
          crc ^= INT_FLAG_MASK_LONG;
      }
docs: This method calculates the CRC with Slicing-by-4 algorithm.
  
  @param data An integer array, which elements all are added to the CRC.