lwtDev::GRULayer Node1 lwtDev::GRULayer - m_activation_fun - m_inner_activation_fun - m_W_z - m_U_z - m_b_z - m_W_r - m_U_r - m_b_r - m_W_h - m_U_h - m_b_h - m_n_outputs + GRULayer() + ~GRULayer() + scan() + step() Node2 lwtDev::IRecurrentLayer + m_go_backwards + m_return_sequence + ~IRecurrentLayer() + scan() Node2->Node1