1 2// Licensed under the Apache License, Version 2.0 (the "License"); 3// you may not use this file except in compliance with the License. 4// You may obtain a copy of the License at 5// 6// http://www.apache.org/licenses/LICENSE-2.0 7// 8// Unless required by applicable law or agreed to in writing, software 9// distributed under the License is distributed on an "AS IS" BASIS, 10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 11// See the License for the specific language governing permissions and 12// limitations under the License. 13// 14// Copyright 2005-2010 Google, Inc. 15// Author: jpr@google.com (Jake Ratkiewicz) 16 17#ifndef FST_SCRIPT_REWEIGHT_H_ 18#define FST_SCRIPT_REWEIGHT_H_ 19 20#include <vector> 21using std::vector; 22 23#include <fst/script/arg-packs.h> 24#include <fst/script/fst-class.h> 25#include <fst/script/weight-class.h> 26#include <fst/reweight.h> 27 28namespace fst { 29namespace script { 30 31typedef args::Package<MutableFstClass *, const vector<WeightClass> &, 32 ReweightType> ReweightArgs; 33 34template<class Arc> 35void Reweight(ReweightArgs *args) { 36 MutableFst<Arc> *fst = args->arg1->GetMutableFst<Arc>(); 37 typedef typename Arc::Weight Weight; 38 vector<Weight> potentials(args->arg2.size()); 39 40 for (unsigned i = 0; i < args->arg2.size(); ++i) { 41 potentials[i] = *(args->arg2[i].GetWeight<Weight>()); 42 } 43 44 Reweight(fst, potentials, args->arg3); 45} 46 47void Reweight(MutableFstClass *fst, const vector<WeightClass> &potential, 48 ReweightType reweight_type); 49 50} // namespace script 51} // namespace fst 52 53#endif // FST_SCRIPT_REWEIGHT_H_ 54