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#include <fst/script/fst-class.h>
18#include <fst/script/script-impl.h>
19#include <fst/script/prune.h>
20
21namespace fst {
22namespace script {
23
24
25// 1
26void Prune(MutableFstClass *fst, const PruneOptions &opts) {
27  PruneArgs1 args(fst, opts);
28
29  Apply<Operation<PruneArgs1> >("Prune", fst->ArcType(), &args);
30}
31
32// 2
33void Prune(const FstClass &ifst, MutableFstClass *fst,
34           const PruneOptions &opts) {
35  PruneArgs2 args(ifst, fst, opts);
36
37  Apply<Operation<PruneArgs2> >("Prune", fst->ArcType(), &args);
38}
39
40// 3
41void Prune(const FstClass &ifst,
42           MutableFstClass *ofst,
43           const WeightClass& weight_threshold,
44           int64 state_threshold, float delta)  {
45  PruneArgs3 args(ifst, ofst, weight_threshold, state_threshold, delta);
46
47  Apply<Operation<PruneArgs3> >("Prune", ifst.ArcType(), &args);
48}
49
50// 4
51void Prune(MutableFstClass *fst, const WeightClass& weight_threshold,
52           int64 state_threshold, float delta) {
53  PruneArgs4 args(fst, weight_threshold, state_threshold, delta);
54
55  Apply<Operation<PruneArgs4> >("Prune", fst->ArcType(), &args);
56}
57
58// 1
59REGISTER_FST_OPERATION(Prune, StdArc, PruneArgs1);
60REGISTER_FST_OPERATION(Prune, LogArc, PruneArgs1);
61REGISTER_FST_OPERATION(Prune, Log64Arc, PruneArgs1);
62// 2
63REGISTER_FST_OPERATION(Prune, StdArc, PruneArgs2);
64REGISTER_FST_OPERATION(Prune, LogArc, PruneArgs2);
65REGISTER_FST_OPERATION(Prune, Log64Arc, PruneArgs2);
66// 3
67REGISTER_FST_OPERATION(Prune, StdArc, PruneArgs3);
68REGISTER_FST_OPERATION(Prune, LogArc, PruneArgs3);
69REGISTER_FST_OPERATION(Prune, Log64Arc, PruneArgs3);
70// 4
71REGISTER_FST_OPERATION(Prune, StdArc, PruneArgs4);
72REGISTER_FST_OPERATION(Prune, LogArc, PruneArgs4);
73REGISTER_FST_OPERATION(Prune, Log64Arc, PruneArgs4);
74
75}  // namespace script
76}  // namespace fst
77