kaldi-kws.h
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// kws/kaldi-kws.h
// Copyright 2012 Johns Hopkins University (Author: Guoguo Chen)
// See ../../COPYING for clarification regarding multiple authors
//
// 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
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#ifndef KALDI_KWS_KALDI_KWS_H_
#define KALDI_KWS_KALDI_KWS_H_
#include "fst/fstlib.h"
#include "lat/arctic-weight.h"
namespace kaldi {
using fst::TropicalWeight;
using fst::LogWeight;
using fst::ArcticWeight;
// The T*T*T semiring
typedef fst::LexicographicWeight<TropicalWeight, TropicalWeight> StdLStdWeight;
typedef fst::LexicographicWeight<TropicalWeight, StdLStdWeight> StdLStdLStdWeight;
typedef fst::ArcTpl<StdLStdLStdWeight> StdLStdLStdArc;
// The LxTxT' semiring
typedef fst::ProductWeight<TropicalWeight, ArcticWeight> StdXStdprimeWeight;
typedef fst::ProductWeight<LogWeight, StdXStdprimeWeight> LogXStdXStdprimeWeight;
typedef fst::ArcTpl<LogXStdXStdprimeWeight> LogXStdXStdprimeArc;
// Rename the weight and arc types to make them look more "friendly".
typedef StdLStdLStdWeight KwsLexicographicWeight;
typedef StdLStdLStdArc KwsLexicographicArc;
typedef fst::VectorFst<KwsLexicographicArc> KwsLexicographicFst;
typedef LogXStdXStdprimeWeight KwsProductWeight;
typedef LogXStdXStdprimeArc KwsProductArc;
typedef fst::VectorFst<KwsProductArc> KwsProductFst;
} // namespace kaldi
#endif // KALDI_KWS_KALDI_KWS_H_