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diff --git a/kaldi_io/src/kaldi/util/table-types.h b/kaldi_io/src/kaldi/util/table-types.h
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+// util/table-types.h
+
+// Copyright 2009-2011     Microsoft Corporation
+
+// 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_UTIL_TABLE_TYPES_H_
+#define KALDI_UTIL_TABLE_TYPES_H_
+#include "base/kaldi-common.h"
+#include "util/kaldi-table.h"
+#include "util/kaldi-holder.h"
+#include "matrix/matrix-lib.h"
+
+namespace kaldi {
+
+// This header defines typedefs that are specific instantiations of
+// the Table types.
+
+/// \addtogroup table_types
+/// @{
+
+typedef TableWriter<KaldiObjectHolder<Matrix<BaseFloat> > >  BaseFloatMatrixWriter;
+typedef SequentialTableReader<KaldiObjectHolder<Matrix<BaseFloat> > >  SequentialBaseFloatMatrixReader;
+typedef RandomAccessTableReader<KaldiObjectHolder<Matrix<BaseFloat> > >  RandomAccessBaseFloatMatrixReader;
+typedef RandomAccessTableReaderMapped<KaldiObjectHolder<Matrix<BaseFloat> > >  RandomAccessBaseFloatMatrixReaderMapped;
+
+typedef TableWriter<KaldiObjectHolder<Matrix<double> > >  DoubleMatrixWriter;
+typedef SequentialTableReader<KaldiObjectHolder<Matrix<double> > >  SequentialDoubleMatrixReader;
+typedef RandomAccessTableReader<KaldiObjectHolder<Matrix<double> > >  RandomAccessDoubleMatrixReader;
+typedef RandomAccessTableReaderMapped<KaldiObjectHolder<Matrix<double> > >  RandomAccessDoubleMatrixReaderMapped;
+
+typedef TableWriter<KaldiObjectHolder<CompressedMatrix> >  CompressedMatrixWriter;
+
+typedef TableWriter<KaldiObjectHolder<Vector<BaseFloat> > >  BaseFloatVectorWriter;
+typedef SequentialTableReader<KaldiObjectHolder<Vector<BaseFloat> > >  SequentialBaseFloatVectorReader;
+typedef RandomAccessTableReader<KaldiObjectHolder<Vector<BaseFloat> > >  RandomAccessBaseFloatVectorReader;
+typedef RandomAccessTableReaderMapped<KaldiObjectHolder<Vector<BaseFloat> > >  RandomAccessBaseFloatVectorReaderMapped;
+
+typedef TableWriter<KaldiObjectHolder<Vector<double> > >  DoubleVectorWriter;
+typedef SequentialTableReader<KaldiObjectHolder<Vector<double> > >  SequentialDoubleVectorReader;
+typedef RandomAccessTableReader<KaldiObjectHolder<Vector<double> > >  RandomAccessDoubleVectorReader;
+
+typedef TableWriter<KaldiObjectHolder<CuMatrix<BaseFloat> > >  BaseFloatCuMatrixWriter;
+typedef SequentialTableReader<KaldiObjectHolder<CuMatrix<BaseFloat> > >  SequentialBaseFloatCuMatrixReader;
+typedef RandomAccessTableReader<KaldiObjectHolder<CuMatrix<BaseFloat> > >  RandomAccessBaseFloatCuMatrixReader;
+typedef RandomAccessTableReaderMapped<KaldiObjectHolder<CuMatrix<BaseFloat> > >  RandomAccessBaseFloatCuMatrixReaderMapped;
+
+typedef TableWriter<KaldiObjectHolder<CuMatrix<double> > >  DoubleCuMatrixWriter;
+typedef SequentialTableReader<KaldiObjectHolder<CuMatrix<double> > >  SequentialDoubleCuMatrixReader;
+typedef RandomAccessTableReader<KaldiObjectHolder<CuMatrix<double> > >  RandomAccessDoubleCuMatrixReader;
+typedef RandomAccessTableReaderMapped<KaldiObjectHolder<CuMatrix<double> > >  RandomAccessDoubleCuMatrixReaderMapped;
+
+typedef TableWriter<KaldiObjectHolder<CuVector<BaseFloat> > >  BaseFloatCuVectorWriter;
+typedef SequentialTableReader<KaldiObjectHolder<CuVector<BaseFloat> > >  SequentialBaseFloatCuVectorReader;
+typedef RandomAccessTableReader<KaldiObjectHolder<CuVector<BaseFloat> > >  RandomAccessBaseFloatCuVectorReader;
+typedef RandomAccessTableReaderMapped<KaldiObjectHolder<CuVector<BaseFloat> > >  RandomAccessBaseFloatCuVectorReaderMapped;
+
+typedef TableWriter<KaldiObjectHolder<CuVector<double> > >  DoubleCuVectorWriter;
+typedef SequentialTableReader<KaldiObjectHolder<CuVector<double> > >  SequentialDoubleCuVectorReader;
+typedef RandomAccessTableReader<KaldiObjectHolder<CuVector<double> > >  RandomAccessDoubleCuVectorReader;
+
+
+typedef TableWriter<BasicHolder<int32> >  Int32Writer;
+typedef SequentialTableReader<BasicHolder<int32> >  SequentialInt32Reader;
+typedef RandomAccessTableReader<BasicHolder<int32> >  RandomAccessInt32Reader;
+
+typedef TableWriter<BasicVectorHolder<int32> >  Int32VectorWriter;
+typedef SequentialTableReader<BasicVectorHolder<int32> >  SequentialInt32VectorReader;
+typedef RandomAccessTableReader<BasicVectorHolder<int32> >  RandomAccessInt32VectorReader;
+
+typedef TableWriter<BasicVectorVectorHolder<int32> >  Int32VectorVectorWriter;
+typedef SequentialTableReader<BasicVectorVectorHolder<int32> >  SequentialInt32VectorVectorReader;
+typedef RandomAccessTableReader<BasicVectorVectorHolder<int32> >  RandomAccessInt32VectorVectorReader;
+
+typedef TableWriter<BasicPairVectorHolder<int32> >  Int32PairVectorWriter;
+typedef SequentialTableReader<BasicPairVectorHolder<int32> >  SequentialInt32PairVectorReader;
+typedef RandomAccessTableReader<BasicPairVectorHolder<int32> >  RandomAccessInt32PairVectorReader;
+
+typedef TableWriter<BasicPairVectorHolder<BaseFloat> >  BaseFloatPairVectorWriter;
+typedef SequentialTableReader<BasicPairVectorHolder<BaseFloat> >  SequentialBaseFloatPairVectorReader;
+typedef RandomAccessTableReader<BasicPairVectorHolder<BaseFloat> >  RandomAccessBaseFloatPairVectorReader;
+
+typedef TableWriter<BasicHolder<BaseFloat> >  BaseFloatWriter;
+typedef SequentialTableReader<BasicHolder<BaseFloat> >  SequentialBaseFloatReader;
+typedef RandomAccessTableReader<BasicHolder<BaseFloat> >  RandomAccessBaseFloatReader;
+typedef RandomAccessTableReaderMapped<BasicHolder<BaseFloat> >  RandomAccessBaseFloatReaderMapped;
+
+typedef TableWriter<BasicHolder<double> >  DoubleWriter;
+typedef SequentialTableReader<BasicHolder<double> >  SequentialDoubleReader;
+typedef RandomAccessTableReader<BasicHolder<double> >  RandomAccessDoubleReader;
+
+typedef TableWriter<BasicHolder<bool> >  BoolWriter;
+typedef SequentialTableReader<BasicHolder<bool> >  SequentialBoolReader;
+typedef RandomAccessTableReader<BasicHolder<bool> >  RandomAccessBoolReader;
+
+
+
+/// TokenWriter is a writer specialized for std::string where the strings
+/// are nonempty and whitespace-free.   T == std::string
+typedef TableWriter<TokenHolder> TokenWriter;
+typedef SequentialTableReader<TokenHolder> SequentialTokenReader;
+typedef RandomAccessTableReader<TokenHolder> RandomAccessTokenReader;
+
+
+/// TokenVectorWriter is a writer specialized for sequences of
+/// std::string where the strings are nonempty and whitespace-free.
+/// T == std::vector<std::string>
+typedef TableWriter<TokenVectorHolder> TokenVectorWriter;
+// Ditto for SequentialTokenVectorReader.
+typedef SequentialTableReader<TokenVectorHolder> SequentialTokenVectorReader;
+typedef RandomAccessTableReader<TokenVectorHolder> RandomAccessTokenVectorReader;
+
+
+/// @}
+
+// Note: for FST reader/writer, see ../fstext/fstext-utils.h
+// [not done yet].
+
+} // end namespace kaldi
+
+
+
+#endif