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      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 #include <fst/script/fst-class.h>
     18 #include <fst/script/script-impl.h>
     19 #include <fst/script/push.h>
     20 
     21 namespace fst {
     22 namespace script {
     23 
     24 // 1
     25 void Push(MutableFstClass *ofst, ReweightType dir, float delta,
     26           bool remove_total_weight) {
     27   PushArgs1 args(ofst, dir, delta, remove_total_weight);
     28   Apply<Operation<PushArgs1> >("Push", ofst->ArcType(), &args);
     29 }
     30 
     31 // 2
     32 void Push(const FstClass &ifst, MutableFstClass *ofst, uint32 flags,
     33           ReweightType dir, float delta) {
     34   if (!ArcTypesMatch(ifst, *ofst, "Push")) return;
     35 
     36   PushArgs2 args(ifst, ofst, flags, dir, delta);
     37   Apply<Operation<PushArgs2> >("Push", ifst.ArcType(), &args);
     38 }
     39 
     40 
     41 REGISTER_FST_OPERATION(Push, StdArc, PushArgs1);
     42 REGISTER_FST_OPERATION(Push, LogArc, PushArgs1);
     43 REGISTER_FST_OPERATION(Push, Log64Arc, PushArgs1);
     44 REGISTER_FST_OPERATION(Push, StdArc, PushArgs2);
     45 REGISTER_FST_OPERATION(Push, LogArc, PushArgs2);
     46 REGISTER_FST_OPERATION(Push, Log64Arc, PushArgs2);
     47 
     48 }  // namespace script
     49 }  // namespace fst
     50