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 (at) google.com (Jake Ratkiewicz) 16 17 #ifndef FST_SCRIPT_REWEIGHT_H_ 18 #define FST_SCRIPT_REWEIGHT_H_ 19 20 #include <vector> 21 using 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 28 namespace fst { 29 namespace script { 30 31 typedef args::Package<MutableFstClass *, const vector<WeightClass> &, 32 ReweightType> ReweightArgs; 33 34 template<class Arc> 35 void 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 47 void 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
