// See www.openfst.org for extensive documentation on this weighted
  // finite-state transducer library.
  
  #include <fst/script/fst-class.h>
  #include <fst/script/script-impl.h>
  #include <fst/script/shortest-distance.h>
  
  namespace fst {
  namespace script {
  
  void ShortestDistance(const FstClass &fst, std::vector<WeightClass> *distance,
                        const ShortestDistanceOptions &opts) {
    ShortestDistanceArgs1 args(fst, distance, opts);
    Apply<Operation<ShortestDistanceArgs1>>("ShortestDistance", fst.ArcType(),
                                            &args);
  }
  
  void ShortestDistance(const FstClass &ifst, std::vector<WeightClass> *distance,
                        bool reverse, double delta) {
    ShortestDistanceArgs2 args(ifst, distance, reverse, delta);
    Apply<Operation<ShortestDistanceArgs2>>("ShortestDistance", ifst.ArcType(),
                                            &args);
  }
  
  REGISTER_FST_OPERATION(ShortestDistance, StdArc, ShortestDistanceArgs1);
  REGISTER_FST_OPERATION(ShortestDistance, LogArc, ShortestDistanceArgs1);
  REGISTER_FST_OPERATION(ShortestDistance, Log64Arc, ShortestDistanceArgs1);
  
  REGISTER_FST_OPERATION(ShortestDistance, StdArc, ShortestDistanceArgs2);
  REGISTER_FST_OPERATION(ShortestDistance, LogArc, ShortestDistanceArgs2);
  REGISTER_FST_OPERATION(ShortestDistance, Log64Arc, ShortestDistanceArgs2);
  
  }  // namespace script
  }  // namespace fst