docs: public static int byteOnDisk(int numberOfDimensions, int numberOfPartitions) {
      // (partition*dimension+id) alles in Bit 32bit für 4 byte id
      return (int) (Math.ceil(numberOfDimensions * ((FastMath.log(numberOfPartitions) / FastMath.log(2))) + 32) / ByteArrayUtil.SIZE_DOUBLE);
    }