lwtDev::EmbeddingLayer Node1 lwtDev::EmbeddingLayer - m_var_row_index + EmbeddingLayer() + ~EmbeddingLayer() + scan() Node2 lwtDev::IRecurrentLayer + m_go_backwards + m_return_sequence + ~IRecurrentLayer() + scan() Node2->Node1 Node3 MatrixXd Node3->Node1 -m_W