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Diffstat (limited to 'kaldi_io/src/tools/openfst/include/fst/script/prune.h')
-rw-r--r-- | kaldi_io/src/tools/openfst/include/fst/script/prune.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/kaldi_io/src/tools/openfst/include/fst/script/prune.h b/kaldi_io/src/tools/openfst/include/fst/script/prune.h deleted file mode 100644 index 7118ff1..0000000 --- a/kaldi_io/src/tools/openfst/include/fst/script/prune.h +++ /dev/null @@ -1,153 +0,0 @@ - -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. -// -// Copyright 2005-2010 Google, Inc. -// Author: [email protected] (Jake Ratkiewicz) - -#ifndef FST_SCRIPT_PRUNE_H_ -#define FST_SCRIPT_PRUNE_H_ - -#include <vector> -using std::vector; - -#include <fst/script/arg-packs.h> -#include <fst/script/fst-class.h> -#include <fst/script/weight-class.h> -#include <fst/prune.h> -#include <fst/arcfilter.h> - -namespace fst { -namespace script { - -struct PruneOptions { - WeightClass weight_threshold; - int64 state_threshold; - const vector<WeightClass> *distance; - float delta; - - explicit PruneOptions(const WeightClass& w, int64 s, - vector<WeightClass> *d = 0, float e = kDelta) - : weight_threshold(w), - state_threshold(s), - distance(d), - delta(e) {} - private: - PruneOptions(); // disallow -}; - -// converts a script::PruneOptions into a fst::PruneOptions. -// Notes: -// If the original opts.distance is not NULL, a new distance will be -// created with new; it's the client's responsibility to delete this. - -template<class A> -fst::PruneOptions<A, AnyArcFilter<A> > ConvertPruneOptions( - const PruneOptions &opts) { - typedef typename A::Weight Weight; - typedef typename A::StateId StateId; - - Weight weight_threshold = *(opts.weight_threshold.GetWeight<Weight>()); - StateId state_threshold = opts.state_threshold; - vector<Weight> *distance = 0; - - if (opts.distance) { - distance = new vector<Weight>(opts.distance->size()); - for (unsigned i = 0; i < opts.distance->size(); ++i) { - (*distance)[i] = *((*opts.distance)[i].GetWeight<Weight>()); - } - } - - return fst::PruneOptions<A, AnyArcFilter<A> >( - weight_threshold, state_threshold, AnyArcFilter<A>(), distance, - opts.delta); -} - -// 1 -typedef args::Package<MutableFstClass *, const PruneOptions &> PruneArgs1; - -template<class Arc> -void Prune(PruneArgs1 *args) { - MutableFst<Arc> *ofst = args->arg1->GetMutableFst<Arc>(); - - typedef typename Arc::Weight Weight; - typedef typename Arc::StateId StateId; - - fst::PruneOptions<Arc, AnyArcFilter<Arc> > opts = - ConvertPruneOptions<Arc>(args->arg2); - Prune(ofst, opts); - delete opts.distance; -} - -// 2 -typedef args::Package<const FstClass &, MutableFstClass *, - const PruneOptions &> PruneArgs2; - -template<class Arc> -void Prune(PruneArgs2 *args) { - const Fst<Arc>& ifst = *(args->arg1.GetFst<Arc>()); - MutableFst<Arc> *ofst = args->arg2->GetMutableFst<Arc>(); - - fst::PruneOptions<Arc, AnyArcFilter<Arc> > opts = - ConvertPruneOptions<Arc>(args->arg3); - Prune(ifst, ofst, opts); - delete opts.distance; -} - -// 3 -typedef args::Package<const FstClass &, - MutableFstClass *, - const WeightClass &, int64, float> PruneArgs3; - -template<class Arc> -void Prune(PruneArgs3 *args) { - const Fst<Arc>& ifst = *(args->arg1.GetFst<Arc>()); - MutableFst<Arc> *ofst = args->arg2->GetMutableFst<Arc>(); - typename Arc::Weight w = *(args->arg3.GetWeight<typename Arc::Weight>()); - - Prune(ifst, ofst, w, args->arg4, args->arg5); -} - -// 4 -typedef args::Package<MutableFstClass *, const WeightClass&, - int64, float> PruneArgs4; -template<class Arc> -void Prune(PruneArgs4 *args) { - MutableFst<Arc> *fst = args->arg1->GetMutableFst<Arc>(); - typename Arc::Weight w = *(args->arg2.GetWeight<typename Arc::Weight>()); - Prune(fst, w, args->arg3, args->arg4); -} - - -// 1 -void Prune(MutableFstClass *fst, const PruneOptions &opts); - -// 2 -void Prune(const FstClass &ifst, MutableFstClass *fst, - const PruneOptions &opts); - -// 3 -void Prune(const FstClass &ifst, MutableFstClass *ofst, - const WeightClass &weight_threshold, - int64 state_threshold = kNoStateId, - float delta = kDelta); - -// 4 -void Prune(MutableFstClass *fst, const WeightClass& weight_threshold, - int64 state_threshold, float delta); - -} // namespace script -} // namespace fst - - - -#endif // FST_SCRIPT_PRUNE_H_ |