matrix-common.h
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// matrix/matrix-common.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_MATRIX_MATRIX_COMMON_H_
#define KALDI_MATRIX_MATRIX_COMMON_H_
// This file contains some #includes, forward declarations
// and typedefs that are needed by all the main header
// files in this directory.
#include "base/kaldi-common.h"
namespace kaldi {
// this enums equal to CblasTrans and CblasNoTrans constants from CBLAS library
// we are writing them as literals because we don't want to include here matrix/kaldi-blas.h,
// which puts many symbols into global scope (like "real") via the header f2c.h
typedef enum {
kTrans = 112, // = CblasTrans
kNoTrans = 111 // = CblasNoTrans
} MatrixTransposeType;
typedef enum {
kSetZero,
kUndefined,
kCopyData
} MatrixResizeType;
typedef enum {
kDefaultStride,
kStrideEqualNumCols,
} MatrixStrideType;
typedef enum {
kTakeLower,
kTakeUpper,
kTakeMean,
kTakeMeanAndCheck
} SpCopyType;
template<typename Real> class VectorBase;
template<typename Real> class Vector;
template<typename Real> class SubVector;
template<typename Real> class MatrixBase;
template<typename Real> class SubMatrix;
template<typename Real> class Matrix;
template<typename Real> class SpMatrix;
template<typename Real> class TpMatrix;
template<typename Real> class PackedMatrix;
template<typename Real> class SparseMatrix;
// these are classes that won't be defined in this
// directory; they're mostly needed for friend declarations.
template<typename Real> class CuMatrixBase;
template<typename Real> class CuSubMatrix;
template<typename Real> class CuMatrix;
template<typename Real> class CuVectorBase;
template<typename Real> class CuSubVector;
template<typename Real> class CuVector;
template<typename Real> class CuPackedMatrix;
template<typename Real> class CuSpMatrix;
template<typename Real> class CuTpMatrix;
template<typename Real> class CuSparseMatrix;
class CompressedMatrix;
class GeneralMatrix;
/// This class provides a way for switching between double and float types.
template<typename T> class OtherReal { }; // useful in reading+writing routines
// to switch double and float.
/// A specialized class for switching from float to double.
template<> class OtherReal<float> {
public:
typedef double Real;
};
/// A specialized class for switching from double to float.
template<> class OtherReal<double> {
public:
typedef float Real;
};
typedef int32 MatrixIndexT;
typedef int32 SignedMatrixIndexT;
typedef uint32 UnsignedMatrixIndexT;
// If you want to use size_t for the index type, do as follows instead:
//typedef size_t MatrixIndexT;
//typedef ssize_t SignedMatrixIndexT;
//typedef size_t UnsignedMatrixIndexT;
}
#endif // KALDI_MATRIX_MATRIX_COMMON_H_