// See www.openfst.org for extensive documentation on this weighted
  // finite-state transducer library.
  
  #include <fst/script/fst-class.h>
  #include <fst/script/relabel.h>
  #include <fst/script/script-impl.h>
  
  namespace fst {
  namespace script {
  
  void Relabel(MutableFstClass *ofst,
               const SymbolTable *old_isyms, const SymbolTable *relabel_isyms,
               const string &unknown_isymbol, bool attach_new_isyms,
               const SymbolTable *old_osyms, const SymbolTable *relabel_osyms,
               const string &unknown_osymbol, bool attach_new_osyms) {
    RelabelArgs1 args(ofst, old_isyms, relabel_isyms, unknown_isymbol,
                      attach_new_isyms, old_osyms, relabel_osyms,
                      unknown_osymbol, attach_new_osyms);
    Apply<Operation<RelabelArgs1>>("Relabel", ofst->ArcType(), &args);
  }
  
  void Relabel(MutableFstClass *ofst, const std::vector<LabelPair> &ipairs,
               const std::vector<LabelPair> &opairs) {
    RelabelArgs2 args(ofst, ipairs, opairs);
    Apply<Operation<RelabelArgs2>>("Relabel", ofst->ArcType(), &args);
  }
  
  REGISTER_FST_OPERATION(Relabel, StdArc, RelabelArgs1);
  REGISTER_FST_OPERATION(Relabel, LogArc, RelabelArgs1);
  REGISTER_FST_OPERATION(Relabel, Log64Arc, RelabelArgs1);
  
  REGISTER_FST_OPERATION(Relabel, StdArc, RelabelArgs2);
  REGISTER_FST_OPERATION(Relabel, LogArc, RelabelArgs2);
  REGISTER_FST_OPERATION(Relabel, Log64Arc, RelabelArgs2);
  
  }  // namespace script
  }  // namespace fst