112     let cubic = &mut r.cubic_state;  in collapse_cwnd()
131     let cubic = &mut r.cubic_state;  in on_packet_sent()
191             if r.cubic_state.w_max == 0.0 {  in on_packet_acked()
192                 r.cubic_state.w_max = r.congestion_window as f64;  in on_packet_acked()
193                 r.cubic_state.k = 0.0;  in on_packet_acked()
204                     r.cubic_state.w_max = r.congestion_window as f64;  in on_packet_acked()
205                     r.cubic_state.k = 0.0;  in on_packet_acked()
213         let w_cubic = r.cubic_state.w_cubic(t + r.min_rtt);  in on_packet_acked()
216         let w_est = r.cubic_state.w_est(t, r.min_rtt);  in on_packet_acked()
243         r.cubic_state.cwnd_inc += cubic_cwnd - r.congestion_window;  in on_packet_acked()
248         if r.cubic_state.cwnd_inc >= recovery::MAX_DATAGRAM_SIZE {  in on_packet_acked()
250             r.cubic_state.cwnd_inc -= recovery::MAX_DATAGRAM_SIZE;  in on_packet_acked()
266         if r.cubic_state.w_max < r.cubic_state.w_last_max {  in congestion_event()
267             r.cubic_state.w_last_max = r.cubic_state.w_max;  in congestion_event()
268             r.cubic_state.w_max =  in congestion_event()
269                 r.cubic_state.w_max as f64 * (1.0 + BETA_CUBIC) / 2.0;  in congestion_event()
271             r.cubic_state.w_last_max = r.cubic_state.w_max;  in congestion_event()
274         r.cubic_state.w_max = r.congestion_window as f64;  in congestion_event()
275         r.ssthresh = (r.cubic_state.w_max * BETA_CUBIC) as usize;  in congestion_event()
278         r.cubic_state.k = r.cubic_state.cubic_k();  in congestion_event()
280         r.cubic_state.cwnd_inc =  in congestion_event()
281             (r.cubic_state.cwnd_inc as f64 * BETA_CUBIC) as usize;  in congestion_event()