// See www.openfst.org for extensive documentation on this weighted
  // finite-state transducer library.
  
  #include <fst/script/fst-class.h>
  #include <fst/script/map.h>
  #include <fst/script/script-impl.h>
  
  namespace fst {
  namespace script {
  
  FstClass *Map(const FstClass &ifst, MapType map_type, float delta, double power,
                const WeightClass &weight) {
    if (!ifst.WeightTypesMatch(weight, "Map")) return nullptr;
    MapInnerArgs iargs(ifst, map_type, delta, power, weight);
    MapArgs args(iargs);
    Apply<Operation<MapArgs>>("Map", ifst.ArcType(), &args);
    return args.retval;
  }
  
  REGISTER_FST_OPERATION(Map, StdArc, MapArgs);
  REGISTER_FST_OPERATION(Map, LogArc, MapArgs);
  REGISTER_FST_OPERATION(Map, Log64Arc, MapArgs);
  
  }  // namespace script
  }  // namespace fst