FST  openfst-1.8.2.post1
OpenFst Library
push.cc
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1 // Copyright 2005-2020 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the 'License');
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an 'AS IS' BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 //
15 // See www.openfst.org for extensive documentation on this weighted
16 // finite-state transducer library.
17 
18 #include <fst/script/push.h>
19 
20 #include <cstdint>
21 
22 #include <fst/script/script-impl.h>
23 
24 namespace fst {
25 namespace script {
26 
27 void Push(MutableFstClass *fst, ReweightType rew_type, float delta,
28  bool remove_total_weight) {
29  FstPushArgs1 args{fst, rew_type, delta, remove_total_weight};
30  Apply<Operation<FstPushArgs1>>("Push", fst->ArcType(), &args);
31 }
32 
33 void Push(const FstClass &ifst, MutableFstClass *ofst, uint8_t flags,
34  ReweightType rew_type, float delta) {
35  if (!internal::ArcTypesMatch(ifst, *ofst, "Push")) {
36  ofst->SetProperties(kError, kError);
37  return;
38  }
39  FstPushArgs2 args{ifst, ofst, flags, rew_type, delta};
40  Apply<Operation<FstPushArgs2>>("Push", ifst.ArcType(), &args);
41 }
42 
45 
46 } // namespace script
47 } // namespace fst
REGISTER_FST_OPERATION_3ARCS(Compress, CompressArgs)
ReweightType
Definition: reweight.h:34
constexpr uint64_t kError
Definition: properties.h:51
const std::string & ArcType() const final
Definition: fst-class.h:323
bool ArcTypesMatch(const M &m, const N &n, const std::string &op_name)
Definition: script-impl.h:191
std::tuple< const FstClass &, MutableFstClass *, uint8_t, ReweightType, float > FstPushArgs2
Definition: push.h:39
void SetProperties(uint64_t props, uint64_t mask)
Definition: fst-class.h:494
void Push(FstPushArgs1 *args)
Definition: push.h:33
std::tuple< MutableFstClass *, ReweightType, float, bool > FstPushArgs1
Definition: push.h:30