code: def __process_by_ccore(self):
          
          result = wrapper.fcm_algorithm(self.__data, self.__centers, self.__m, self.__tolerance, self.__itermax)
  
          self.__clusters = result[wrapper.fcm_package_indexer.INDEX_CLUSTERS]
          self.__centers = result[wrapper.fcm_package_indexer.INDEX_CENTERS]
          self.__membership = result[wrapper.fcm_package_indexer.INDEX_MEMBERSHIP]
docs: !
          @brief Performs cluster analysis using C/C++ implementation.