56   Weight Sum(Weight w, Weight v) {  in Sum()  function
61   Weight Sum(Weight w, ArcIterator *aiter, ssize_t begin,  in Sum()  function
95   Weight Sum(Weight w, Weight v) {  in Sum()  function
100   Weight Sum(Weight w, ArcIterator *aiter, ssize_t begin,  in Sum()  function
204   Weight Sum(Weight w, Weight v) {  in Sum()  function
209   Weight Sum(Weight w, ArcIterator *aiter, ssize_t begin,  in Sum()  function
493   Weight Sum(Weight w, Weight v) {  in Sum()  function
498   Weight Sum(Weight w, Iterator *aiter, ssize_t begin,  in Sum()  function
713   Weight Sum(Weight w, Weight v) {  in Sum()  function
715     return data_->GetAccumulator(fst_id_)->Sum(w, v);  in Sum()
719   Weight Sum(Weight w, ArcIterator *aiter, ssize_t begin,  in Sum()  function
723         : data_->GetAccumulator(fst_id_)->Sum(  in Sum()
726       sum = Sum(offset_weight_, sum);  in Sum()