// See www.openfst.org for extensive documentation on this weighted
  // finite-state transducer library.
  
  #include <fst/script/fst-class.h>
  #include <fst/script/push.h>
  #include <fst/script/script-impl.h>
  
  namespace fst {
  namespace script {
  
  void Push(MutableFstClass *fst, ReweightType rew_type, float delta,
            bool remove_total_weight) {
    PushArgs1 args(fst, rew_type, delta, remove_total_weight);
    Apply<Operation<PushArgs1>>("Push", fst->ArcType(), &args);
  }
  
  void Push(const FstClass &ifst, MutableFstClass *ofst, uint32 flags,
            ReweightType rew_type, float delta) {
    if (!internal::ArcTypesMatch(ifst, *ofst, "Push")) {
      ofst->SetProperties(kError, kError);
      return;
    }
    PushArgs2 args(ifst, ofst, flags, rew_type, delta);
    Apply<Operation<PushArgs2>>("Push", ifst.ArcType(), &args);
  }
  
  REGISTER_FST_OPERATION(Push, StdArc, PushArgs1);
  REGISTER_FST_OPERATION(Push, LogArc, PushArgs1);
  REGISTER_FST_OPERATION(Push, Log64Arc, PushArgs1);
  
  REGISTER_FST_OPERATION(Push, StdArc, PushArgs2);
  REGISTER_FST_OPERATION(Push, LogArc, PushArgs2);
  REGISTER_FST_OPERATION(Push, Log64Arc, PushArgs2);
  
  }  // namespace script
  }  // namespace fst