* @brief Get the data from the output layer * @param index Index of the output layer * @return Pointer to the output data */

* @brief Get the output data buffer for a specific output layer * @param index Index of the output layer * @return Pointer to the output dat

* @brief Get the number of output layers * @details This function is typically used in multi-task or multi-output neural networks. * @return

Disable copy construction and assignment

* @brief Print the transformation matrix. * @param matrix The transformation matrix to print. */

The private constructor guarantees singletons