caffe-lstm / src / caffe / layers / lstm_layer.cpp 166行 caffe_add(4*H_, pre_gate_t, h_to_gate, pre_gate_t) ---->caffe_add(4*H_, pre_gate_t, h_to_gate_t, pre_gate_t) 与185行 h_to_gate_t += 4*H_对应
