diff options
author | Determinant <[email protected]> | 2015-08-14 11:51:42 +0800 |
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committer | Determinant <[email protected]> | 2015-08-14 11:51:42 +0800 |
commit | 96a32415ab43377cf1575bd3f4f2980f58028209 (patch) | |
tree | 30a2d92d73e8f40ac87b79f6f56e227bfc4eea6e /kaldi_io/src/tools/openfst/include/fst/script/determinize.h | |
parent | c177a7549bd90670af4b29fa813ddea32cfe0f78 (diff) |
add implementation for kaldi io (by ymz)
Diffstat (limited to 'kaldi_io/src/tools/openfst/include/fst/script/determinize.h')
-rw-r--r-- | kaldi_io/src/tools/openfst/include/fst/script/determinize.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/kaldi_io/src/tools/openfst/include/fst/script/determinize.h b/kaldi_io/src/tools/openfst/include/fst/script/determinize.h new file mode 100644 index 0000000..38fd7ad --- /dev/null +++ b/kaldi_io/src/tools/openfst/include/fst/script/determinize.h @@ -0,0 +1,68 @@ + +// 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_DETERMINIZE_H_ +#define FST_SCRIPT_DETERMINIZE_H_ + +#include <fst/determinize.h> +#include <fst/script/arg-packs.h> +#include <fst/script/fst-class.h> +#include <fst/script/weight-class.h> + +namespace fst { +namespace script { + +struct DeterminizeOptions { + float delta; + WeightClass weight_threshold; + int64 state_threshold; + int64 subsequential_label; + + explicit DeterminizeOptions(float d = fst::kDelta, + WeightClass w = + fst::script::WeightClass::Zero(), + int64 n = fst::kNoStateId, int64 l = 0) + : delta(d), weight_threshold(w), state_threshold(n), + subsequential_label(l) {} +}; + +typedef args::Package<const FstClass&, MutableFstClass*, + const DeterminizeOptions &> DeterminizeArgs; + +template<class Arc> +void Determinize(DeterminizeArgs *args) { + const Fst<Arc> &ifst = *(args->arg1.GetFst<Arc>()); + MutableFst<Arc> *ofst = args->arg2->GetMutableFst<Arc>(); + const DeterminizeOptions &opts = args->arg3; + + fst::DeterminizeOptions<Arc> detargs; + detargs.delta = opts.delta; + detargs.weight_threshold = + *(opts.weight_threshold.GetWeight<typename Arc::Weight>()); + detargs.state_threshold = opts.state_threshold; + detargs.subsequential_label = opts.subsequential_label; + + Determinize(ifst, ofst, detargs); +} + +void Determinize(const FstClass &ifst, MutableFstClass *ofst, + const DeterminizeOptions &opts = + fst::script::DeterminizeOptions()); + +} // namespace script +} // namespace fst + +#endif // FST_SCRIPT_DETERMINIZE_H_ |