text: //=================================================================================================
  /*!
  //  \file blaze/math/views/Row.h
  //  \brief Header file for the implementation of the Row view
  //
  //  Copyright (C) 2012-2018 Klaus Iglberger - All Rights Reserved
  //
  //  This file is part of the Blaze library. You can redistribute it and/or modify it under
  //  the terms of the New (Revised) BSD License. Redistribution and use in source and binary
  //  forms, with or without modification, are permitted provided that the following conditions
  //  are met:
  //
  //  1. Redistributions of source code must retain the above copyright notice, this list of
  //     conditions and the following disclaimer.
  //  2. Redistributions in binary form must reproduce the above copyright notice, this list
  //     of conditions and the following disclaimer in the documentation and/or other materials
  //     provided with the distribution.
  //  3. Neither the names of the Blaze development group nor the names of its contributors
  //     may be used to endorse or promote products derived from this software without specific
  //     prior written permission.
  //
  //  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
  //  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  //  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
  //  SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  //  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  //  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  //  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  //  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  //  ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  //  DAMAGE.
  */
  //=================================================================================================
  
  #ifndef _BLAZE_MATH_VIEWS_ROW_H_
  #define _BLAZE_MATH_VIEWS_ROW_H_
  
  
  //*************************************************************************************************
  // Includes
  //*************************************************************************************************
  
  #include <blaze/math/Exception.h>
  #include <blaze/math/expressions/DeclExpr.h>
  #include <blaze/math/expressions/MatEvalExpr.h>
  #include <blaze/math/expressions/MatMapExpr.h>
  #include <blaze/math/expressions/MatMatAddExpr.h>
  #include <blaze/math/expressions/MatMatMapExpr.h>
  #include <blaze/math/expressions/MatMatMultExpr.h>
  #include <blaze/math/expressions/MatMatSubExpr.h>
  #include <blaze/math/expressions/Matrix.h>
  #include <blaze/math/expressions/MatScalarDivExpr.h>
  #include <blaze/math/expressions/MatScalarMultExpr.h>
  #include <blaze/math/expressions/MatSerialExpr.h>
  #include <blaze/math/expressions/MatTransExpr.h>
  #include <blaze/math/expressions/SchurExpr.h>
  #include <blaze/math/expressions/VecTVecMultExpr.h>
  #include <blaze/math/shims/IsDefault.h>
  #include <blaze/math/typetraits/HasConstDataAccess.h>
  #include <blaze/math/typetraits/HasMutableDataAccess.h>
  #include <blaze/math/typetraits/IsAligned.h>
  #include <blaze/math/typetraits/IsContiguous.h>
  #include <blaze/math/typetraits/IsOpposedView.h>
  #include <blaze/math/typetraits/IsRowMajorMatrix.h>
  #include <blaze/math/typetraits/IsSymmetric.h>
  #include <blaze/math/typetraits/MaxSize.h>
  #include <blaze/math/typetraits/Size.h>
  #include <blaze/math/views/Check.h>
  #include <blaze/math/views/row/BaseTemplate.h>
  #include <blaze/math/views/row/Dense.h>
  #include <blaze/math/views/row/Sparse.h>
  #include <blaze/util/Assert.h>
  #include <blaze/util/FunctionTrace.h>
  #include <blaze/util/IntegralConstant.h>
  #include <blaze/util/TrueType.h>
  #include <blaze/util/TypeList.h>
  #include <blaze/util/Types.h>
  #include <blaze/util/Unused.h>
  
  
  namespace blaze {
  
  //=================================================================================================
  //
  //  GLOBAL FUNCTIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*!\brief Creating a view on a specific row of the given matrix.
  // \ingroup row
  //
  // \param matrix The matrix containing the row.
  // \param args Optional row arguments.
  // \return View on the specified row of the matrix.
  // \exception std::invalid_argument Invalid row access index.
  //
  // This function returns an expression representing the specified row of the given matrix.
  
     \code
     using blaze::rowMajor;
  
     blaze::DynamicMatrix<double,rowMajor> D;
     blaze::CompressedMatrix<double,rowMajor> S;
     // ... Resizing and initialization
  
     // Creating a view on the 3rd row of the dense matrix D
     auto row3 = row<3UL>( D );
  
     // Creating a view on the 4th row of the sparse matrix S
     auto row4 = row<4UL>( S );
     \endcode
  
  // By default, the provided row arguments are checked at runtime. In case the row is not properly
  // specified (i.e. if the specified index is greater than or equal to the total number of the rows
  // in the given matrix) a \a std::invalid_argument exception is thrown. The checks can be skipped
  // by providing the optional \a blaze::unchecked argument.
  
     \code
     auto row3 = row<3UL>( D, unchecked );
     auto row4 = row<4UL>( S, unchecked );
     \endcode
  */
  template< size_t I            // Row index
          , typename MT         // Type of the matrix
          , bool SO             // Storage order
          , typename... RRAs >  // Optional row arguments
  inline decltype(auto) row( Matrix<MT,SO>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     using ReturnType = Row_<MT,I>;
     return ReturnType( ~matrix, args... );
  }
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*!\brief Creating a view on a specific row of the given constant matrix.
  // \ingroup row
  //
  // \param matrix The constant matrix containing the row.
  // \param args Optional row arguments.
  // \return View on the specified row of the matrix.
  // \exception std::invalid_argument Invalid row access index.
  //
  // This function returns an expression representing the specified row of the given constant
  // matrix.
  
     \code
     using blaze::rowMajor;
  
     const blaze::DynamicMatrix<double,rowMajor> D( ... );
     const blaze::CompressedMatrix<double,rowMajor> S( ... );
  
     // Creating a view on the 3rd row of the dense matrix D
     auto row3 = row<3UL>( D );
  
     // Creating a view on the 4th row of the sparse matrix S
     auto row4 = row<4UL>( S );
     \endcode
  
  // By default, the provided row arguments are checked at runtime. In case the row is not properly
  // specified (i.e. if the specified index is greater than or equal to the total number of the rows
  // in the given matrix) a \a std::invalid_argument exception is thrown. The checks can be skipped
  // by providing the optional \a blaze::unchecked argument.
  
     \code
     auto row3 = row<3UL>( D, unchecked );
     auto row4 = row<4UL>( S, unchecked );
     \endcode
  */
  template< size_t I            // Row index
          , typename MT         // Type of the matrix
          , bool SO             // Storage order
          , typename... RRAs >  // Optional row arguments
  inline decltype(auto) row( const Matrix<MT,SO>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     using ReturnType = const Row_<const MT,I>;
     return ReturnType( ~matrix, args... );
  }
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*!\brief Creating a view on a specific row of the given temporary matrix.
  // \ingroup row
  //
  // \param matrix The temporary matrix containing the row.
  // \param args Optional row arguments.
  // \return View on the specified row of the matrix.
  // \exception std::invalid_argument Invalid row access index.
  //
  // This function returns an expression representing the specified row of the given temporary
  // matrix. In case the row is not properly specified (i.e. if the specified index is greater
  // than or equal to the total number of the rows in the given matrix) a \a std::invalid_argument
  // exception is thrown.
  */
  template< size_t I            // Row index
          , typename MT         // Type of the matrix
          , bool SO             // Storage order
          , typename... RRAs >  // Optional row arguments
  inline decltype(auto) row( Matrix<MT,SO>&& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     using ReturnType = Row_<MT,I>;
     return ReturnType( ~matrix, args... );
  }
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*!\brief Creating a view on a specific row of the given matrix.
  // \ingroup row
  //
  // \param matrix The matrix containing the row.
  // \param index The index of the row.
  // \param args Optional row arguments.
  // \return View on the specified row of the matrix.
  // \exception std::invalid_argument Invalid row access index.
  //
  // This function returns an expression representing the specified row of the given matrix.
  
     \code
     using blaze::rowMajor;
  
     blaze::DynamicMatrix<double,rowMajor> D;
     blaze::CompressedMatrix<double,rowMajor> S;
     // ... Resizing and initialization
  
     // Creating a view on the 3rd row of the dense matrix D
     auto row3 = row( D, 3UL );
  
     // Creating a view on the 4th row of the sparse matrix S
     auto row4 = row( S, 4UL );
     \endcode
  
  // By default, the provided row arguments are checked at runtime. In case the row is not properly
  // specified (i.e. if the specified index is greater than or equal to the total number of the rows
  // in the given matrix) a \a std::invalid_argument exception is thrown. The checks can be skipped
  // by providing the optional \a blaze::unchecked argument.
  
     \code
     auto row3 = row( D, 3UL, unchecked );
     auto row4 = row( S, 4UL, unchecked );
     \endcode
  */
  template< typename MT         // Type of the matrix
          , bool SO             // Storage order
          , typename... RRAs >  // Optional row arguments
  inline decltype(auto) row( Matrix<MT,SO>& matrix, size_t index, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     using ReturnType = Row_<MT>;
     return ReturnType( ~matrix, index, args... );
  }
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*!\brief Creating a view on a specific row of the given constant matrix.
  // \ingroup row
  //
  // \param matrix The constant matrix containing the row.
  // \param index The index of the row.
  // \param args Optional row arguments.
  // \return View on the specified row of the matrix.
  // \exception std::invalid_argument Invalid row access index.
  //
  // This function returns an expression representing the specified row of the given constant
  // matrix.
  
     \code
     using blaze::rowMajor;
  
     const blaze::DynamicMatrix<double,rowMajor> D( ... );
     const blaze::CompressedMatrix<double,rowMajor> S( ... );
  
     // Creating a view on the 3rd row of the dense matrix D
     auto row3 = row( D, 3UL );
  
     // Creating a view on the 4th row of the sparse matrix S
     auto row4 = row( S, 4UL );
     \endcode
  
  // By default, the provided row arguments are checked at runtime. In case the row is not properly
  // specified (i.e. if the specified index is greater than or equal to the total number of the rows
  // in the given matrix) a \a std::invalid_argument exception is thrown. The checks can be skipped
  // by providing the optional \a blaze::unchecked argument.
  
     \code
     auto row3 = row( D, 3UL, unchecked );
     auto row4 = row( S, 4UL, unchecked );
     \endcode
  */
  template< typename MT         // Type of the matrix
          , bool SO             // Storage order
          , typename... RRAs >  // Optional row arguments
  inline decltype(auto) row( const Matrix<MT,SO>& matrix, size_t index, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     using ReturnType = const Row_<const MT>;
     return ReturnType( ~matrix, index, args... );
  }
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*!\brief Creating a view on a specific row of the given temporary matrix.
  // \ingroup row
  //
  // \param matrix The temporary matrix containing the row.
  // \param index The index of the row.
  // \param args Optional row arguments.
  // \return View on the specified row of the matrix.
  // \exception std::invalid_argument Invalid row access index.
  //
  // This function returns an expression representing the specified row of the given temporary
  // matrix. In case the row is not properly specified (i.e. if the specified index is greater
  // than or equal to the total number of the rows in the given matrix) a \a std::invalid_argument
  // exception is thrown.
  */
  template< typename MT         // Type of the matrix
          , bool SO             // Storage order
          , typename... RRAs >  // Optional row arguments
  inline decltype(auto) row( Matrix<MT,SO>&& matrix, size_t index, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     using ReturnType = Row_<MT>;
     return ReturnType( ~matrix, index, args... );
  }
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  GLOBAL RESTRUCTURING FUNCTIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix/matrix addition.
  // \ingroup row
  //
  // \param matrix The constant matrix/matrix addition.
  // \param args The runtime row arguments.
  // \return View on the specified row of the addition.
  //
  // This function returns an expression representing the specified row of the given matrix/matrix
  // addition.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatMatAddExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return row<CRAs...>( (~matrix).leftOperand(), args... ) +
            row<CRAs...>( (~matrix).rightOperand(), args... );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix/matrix subtraction.
  // \ingroup row
  //
  // \param matrix The constant matrix/matrix subtraction.
  // \param args The runtime row arguments.
  // \return View on the specified row of the subtraction.
  //
  // This function returns an expression representing the specified row of the given matrix/matrix
  // subtraction.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatMatSubExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return row<CRAs...>( (~matrix).leftOperand(), args... ) -
            row<CRAs...>( (~matrix).rightOperand(), args... );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given Schur product.
  // \ingroup row
  //
  // \param matrix The constant Schur product.
  // \param args The runtime row arguments.
  // \return View on the specified row of the Schur product.
  //
  // This function returns an expression representing the specified row of the given Schur product.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const SchurExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return row<CRAs...>( (~matrix).leftOperand(), args... ) *
            row<CRAs...>( (~matrix).rightOperand(), args... );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix/matrix multiplication.
  // \ingroup row
  //
  // \param matrix The constant matrix/matrix multiplication.
  // \param args The runtime row arguments
  // \return View on the specified row of the multiplication.
  //
  // This function returns an expression representing the specified row of the given matrix/matrix
  // multiplication.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatMatMultExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return row<CRAs...>( (~matrix).leftOperand(), args... ) * (~matrix).rightOperand();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given outer product.
  // \ingroup row
  //
  // \param matrix The constant outer product.
  // \param args Optional row arguments.
  // \return View on the specified row of the outer product.
  // \exception std::invalid_argument Invalid row access index.
  //
  // This function returns an expression representing the specified row of the given outer product.
  */
  template< size_t I            // Row index
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Optional row arguments
  inline decltype(auto) row( const VecTVecMultExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     UNUSED_PARAMETER( args... );
  
     if( !Contains_v< TypeList<RRAs...>, Unchecked > ) {
        if( (~matrix).rows() <= I ) {
           BLAZE_THROW_INVALID_ARGUMENT( "Invalid row access index" );
        }
     }
  
     return (~matrix).leftOperand()[I] * (~matrix).rightOperand();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given outer product.
  // \ingroup row
  //
  // \param matrix The constant outer product.
  // \param index The index of the row.
  // \param args Optional row arguments.
  // \return View on the specified row of the outer product.
  // \exception std::invalid_argument Invalid row access index.
  //
  // This function returns an expression representing the specified row of the given outer product.
  */
  template< typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Optional row arguments
  inline decltype(auto) row( const VecTVecMultExpr<MT>& matrix, size_t index, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     UNUSED_PARAMETER( args... );
  
     if( !Contains_v< TypeList<RRAs...>, Unchecked > ) {
        if( (~matrix).rows() <= index ) {
           BLAZE_THROW_INVALID_ARGUMENT( "Invalid row access index" );
        }
     }
  
     return (~matrix).leftOperand()[index] * (~matrix).rightOperand();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix/scalar multiplication.
  // \ingroup row
  //
  // \param matrix The constant matrix/scalar multiplication.
  // \param args The runtime row arguments
  // \return View on the specified row of the multiplication.
  //
  // This function returns an expression representing the specified row of the given matrix/scalar
  // multiplication.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatScalarMultExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return row<CRAs...>( (~matrix).leftOperand(), args... ) * (~matrix).rightOperand();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix/scalar division.
  // \ingroup row
  //
  // \param matrix The constant matrix/scalar division.
  // \param args The runtime row arguments
  // \return View on the specified row of the division.
  //
  // This function returns an expression representing the specified row of the given matrix/scalar
  // division.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatScalarDivExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return row<CRAs...>( (~matrix).leftOperand(), args... ) / (~matrix).rightOperand();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given unary matrix map operation.
  // \ingroup row
  //
  // \param matrix The constant unary matrix map operation.
  // \param args The runtime row arguments
  // \return View on the specified row of the unary map operation.
  //
  // This function returns an expression representing the specified row of the given unary matrix
  // map operation.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatMapExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return map( row<CRAs...>( (~matrix).operand(), args... ), (~matrix).operation() );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given binary matrix map operation.
  // \ingroup row
  //
  // \param matrix The constant binary matrix map operation.
  // \param args The runtime row arguments
  // \return View on the specified row of the binary map operation.
  //
  // This function returns an expression representing the specified row of the given binary matrix
  // map operation.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatMatMapExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return map( row<CRAs...>( (~matrix).leftOperand(), args... ),
                 row<CRAs...>( (~matrix).rightOperand(), args... ),
                 (~matrix).operation() );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix evaluation operation.
  // \ingroup row
  //
  // \param matrix The constant matrix evaluation operation.
  // \param args The runtime row arguments
  // \return View on the specified row of the evaluation operation.
  //
  // This function returns an expression representing the specified row of the given matrix
  // evaluation operation.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatEvalExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return eval( row<CRAs...>( (~matrix).operand(), args... ) );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix serialization operation.
  // \ingroup row
  //
  // \param matrix The constant matrix serialization operation.
  // \param args The runtime row arguments
  // \return View on the specified row of the serialization operation.
  //
  // This function returns an expression representing the specified row of the given matrix
  // serialization operation.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatSerialExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return serial( row<CRAs...>( (~matrix).operand(), args... ) );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix declaration operation.
  // \ingroup row
  //
  // \param matrix The constant matrix declaration operation.
  // \param args The runtime row arguments
  // \return View on the specified row of the declaration operation.
  //
  // This function returns an expression representing the specified row of the given matrix
  // declaration operation.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const DeclExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return row<CRAs...>( (~matrix).operand(), args... );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Creating a view on a specific row of the given matrix transpose operation.
  // \ingroup row
  //
  // \param matrix The constant matrix transpose operation.
  // \param args The runtime row arguments
  // \return View on the specified row of the transpose operation.
  //
  // This function returns an expression representing the specified row of the given matrix
  // transpose operation.
  */
  template< size_t... CRAs      // Compile time row arguments
          , typename MT         // Matrix base type of the expression
          , typename... RRAs >  // Runtime row arguments
  inline decltype(auto) row( const MatTransExpr<MT>& matrix, RRAs... args )
  {
     BLAZE_FUNCTION_TRACE;
  
     return trans( column<CRAs...>( (~matrix).operand(), args... ) );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  ROW OPERATORS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Resetting the given row.
  // \ingroup row
  //
  // \param row The row to be resetted.
  // \return void
  */
  template< typename MT       // Type of the matrix
          , bool SO           // Storage order
          , bool DF           // Density flag
          , bool SF           // Symmetry flag
          , size_t... CRAs >  // Compile time row arguments
  inline void reset( Row<MT,SO,DF,SF,CRAs...>& row )
  {
     row.reset();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Resetting the given temporary row.
  // \ingroup row
  //
  // \param row The temporary row to be resetted.
  // \return void
  */
  template< typename MT       // Type of the matrix
          , bool SO           // Storage order
          , bool DF           // Density flag
          , bool SF           // Symmetry flag
          , size_t... CRAs >  // Compile time row arguments
  inline void reset( Row<MT,SO,DF,SF,CRAs...>&& row )
  {
     row.reset();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Clearing the given row.
  // \ingroup row
  //
  // \param row The row to be cleared.
  // \return void
  //
  // Clearing a row is equivalent to resetting it via the reset() function.
  */
  template< typename MT       // Type of the matrix
          , bool SO           // Storage order
          , bool DF           // Density flag
          , bool SF           // Symmetry flag
          , size_t... CRAs >  // Compile time row arguments
  inline void clear( Row<MT,SO,DF,SF,CRAs...>& row )
  {
     row.reset();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Clearing the given temporary row.
  // \ingroup row
  //
  // \param row The temporary row to be cleared.
  // \return void
  //
  // Clearing a row is equivalent to resetting it via the reset() function.
  */
  template< typename MT       // Type of the matrix
          , bool SO           // Storage order
          , bool DF           // Density flag
          , bool SF           // Symmetry flag
          , size_t... CRAs >  // Compile time row arguments
  inline void clear( Row<MT,SO,DF,SF,CRAs...>&& row )
  {
     row.reset();
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Returns whether the given dense row is in default state.
  // \ingroup row
  //
  // \param row The dense row to be tested for its default state.
  // \return \a true in case the given dense row is component-wise zero, \a false otherwise.
  //
  // This function checks whether the dense row is in default state. For instance, in case the
  // row is instantiated for a built-in integral or floating point data type, the function returns
  // \a true in case all row elements are 0 and \a false in case any row element is not 0. The
  // following example demonstrates the use of the \a isDefault function:
  
     \code
     blaze::DynamicMatrix<int,rowMajor> A;
     // ... Resizing and initialization
     if( isDefault( row( A, 0UL ) ) ) { ... }
     \endcode
  
  // Optionally, it is possible to switch between strict semantics (blaze::strict) and relaxed
  // semantics (blaze::relaxed):
  
     \code
     if( isDefault<relaxed>( row( A, 0UL ) ) ) { ... }
     \endcode
  */
  template< bool RF           // Relaxation flag
          , typename MT       // Type of the matrix
          , bool SO           // Storage order
          , bool SF           // Symmetry flag
          , size_t... CRAs >  // Compile time row arguments
  inline bool isDefault( const Row<MT,SO,true,SF,CRAs...>& row )
  {
     using blaze::isDefault;
  
     for( size_t i=0UL; i<row.size(); ++i )
        if( !isDefault<RF>( row[i] ) ) return false;
     return true;
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Returns whether the given sparse row is in default state.
  // \ingroup row
  //
  // \param row The sparse row to be tested for its default state.
  // \return \a true in case the given row is component-wise zero, \a false otherwise.
  //
  // This function checks whether the sparse row is in default state. For instance, in case the
  // row is instantiated for a built-in integral or floating point data type, the function returns
  // \a true in case all row elements are 0 and \a false in case any row element is not 0. The
  // following example demonstrates the use of the \a isDefault function:
  
     \code
     blaze::CompressedMatrix<int,rowMajor> A;
     // ... Resizing and initialization
     if( isDefault( row( A, 0UL ) ) ) { ... }
     \endcode
  
  // Optionally, it is possible to switch between strict semantics (blaze::strict) and relaxed
  // semantics (blaze::relaxed):
  
     \code
     if( isDefault<relaxed>( row( A, 0UL ) ) ) { ... }
     \endcode
  */
  template< bool RF           // Relaxation flag
          , typename MT       // Type of the matrix
          , bool SO           // Storage order
          , bool SF           // Symmetry flag
          , size_t... CRAs >  // Compile time row arguments
  inline bool isDefault( const Row<MT,SO,false,SF,CRAs...>& row )
  {
     using blaze::isDefault;
  
     for( const auto& element : row )
        if( !isDefault<RF>( element.value() ) ) return false;
     return true;
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Returns whether the invariants of the given row are intact.
  // \ingroup row
  //
  // \param row The row to be tested.
  // \return \a true in case the given row's invariants are intact, \a false otherwise.
  //
  // This function checks whether the invariants of the row are intact, i.e. if its state is valid.
  // In case the invariants are intact, the function returns \a true, else it will return \a false.
  // The following example demonstrates the use of the \a isIntact() function:
  
     \code
     blaze::DynamicMatrix<int,rowMajor> A;
     // ... Resizing and initialization
     if( isIntact( row( A, 0UL ) ) ) { ... }
     \endcode
  */
  template< typename MT       // Type of the matrix
          , bool SO           // Storage order
          , bool DF           // Density flag
          , bool SF           // Symmetry flag
          , size_t... CRAs >  // Compile time row arguments
  inline bool isIntact( const Row<MT,SO,DF,SF,CRAs...>& row ) noexcept
  {
     return ( row.row() < row.operand().rows() &&
              isIntact( row.operand() ) );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Returns whether the two given rows represent the same observable state.
  // \ingroup row
  //
  // \param a The first row to be tested for its state.
  // \param b The second row to be tested for its state.
  // \return \a true in case the two rows share a state, \a false otherwise.
  //
  // This overload of the isSame() function tests if the two given rows refer to exactly the same
  // range of the same matrix. In case both rows represent the same observable state, the function
  // returns \a true, otherwise it returns \a false.
  */
  template< typename MT1       // Type of the matrix of the left-hand side row
          , bool SO            // Storage order
          , bool DF            // Density flag
          , bool SF1           // Symmetry flag of the left-hand side row
          , size_t... CRAs1    // Compile time row arguments of the left-hand side row
          , typename MT2       // Type of the matrix of the right-hand side row
          , bool SF2           // Symmetry flag of the right-hand side row
          , size_t... CRAs2 >  // Compile time row arguments of the right-hand side row
  inline bool isSame( const Row<MT1,SO,DF,SF1,CRAs1...>& a,
                      const Row<MT2,SO,DF,SF2,CRAs2...>& b ) noexcept
  {
     return ( isSame( a.operand(), b.operand() ) && ( a.row() == b.row() ) );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by setting a single element of a row.
  // \ingroup row
  //
  // \param row The target row.
  // \param index The index of the element to be set.
  // \param value The value to be set to the element.
  // \return \a true in case the operation would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename ET >   // Type of the element
  inline bool trySet( const Row<MT,SO,DF,SF,CRAs...>& row, size_t index, const ET& value )
  {
     BLAZE_INTERNAL_ASSERT( index < row.size(), "Invalid vector access index" );
  
     return trySet( row.operand(), row.row(), index, value );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by adding to a single element of a row.
  // \ingroup row
  //
  // \param row The target row.
  // \param index The index of the element to be modified.
  // \param value The value to be added to the element.
  // \return \a true in case the operation would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename ET >   // Type of the element
  inline bool tryAdd( const Row<MT,SO,DF,SF,CRAs...>& row, size_t index, const ET& value )
  {
     BLAZE_INTERNAL_ASSERT( index < row.size(), "Invalid vector access index" );
  
     return tryAdd( row.operand(), row.row(), index, value );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by subtracting from a single element of a row.
  // \ingroup row
  //
  // \param row The target row.
  // \param index The index of the element to be modified.
  // \param value The value to be subtracted from the element.
  // \return \a true in case the operation would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename ET >   // Type of the element
  inline bool trySub( const Row<MT,SO,DF,SF,CRAs...>& row, size_t index, const ET& value )
  {
     BLAZE_INTERNAL_ASSERT( index < row.size(), "Invalid vector access index" );
  
     return trySub( row.operand(), row.row(), index, value );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by scaling a single element of a row.
  // \ingroup row
  //
  // \param row The target row.
  // \param index The index of the element to be modified.
  // \param value The factor for the element.
  // \return \a true in case the operation would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename ET >   // Type of the element
  inline bool tryMult( const Row<MT,SO,DF,SF,CRAs...>& row, size_t index, const ET& value )
  {
     BLAZE_INTERNAL_ASSERT( index < row.size(), "Invalid vector access index" );
  
     return tryMult( row.operand(), row.row(), index, value );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by scaling a range of elements of a row.
  // \ingroup row
  //
  // \param row The target row.
  // \param index The index of the first element of the range to be modified.
  // \param size The number of elements of the range to be modified.
  // \param value The factor for the elements.
  // \return \a true in case the operation would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename ET >  // Type of the element
  BLAZE_ALWAYS_INLINE bool
     tryMult( const Row<MT,SO,DF,SF,CRAs...>& row, size_t index, size_t size, const ET& value )
  {
     BLAZE_INTERNAL_ASSERT( index <= (~row).size(), "Invalid vector access index" );
     BLAZE_INTERNAL_ASSERT( index + size <= (~row).size(), "Invalid range size" );
  
     return tryMult( row.operand(), row.row(), index, 1UL, size, value );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by scaling a single element of a row.
  // \ingroup row
  //
  // \param row The target row.
  // \param index The index of the element to be modified.
  // \param value The divisor for the element.
  // \return \a true in case the operation would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename ET >   // Type of the element
  inline bool tryDiv( const Row<MT,SO,DF,SF,CRAs...>& row, size_t index, const ET& value )
  {
     BLAZE_INTERNAL_ASSERT( index < row.size(), "Invalid vector access index" );
  
     return tryDiv( row.operand(), row.row(), index, value );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by scaling a range of elements of a row.
  // \ingroup row
  //
  // \param row The target row.
  // \param index The index of the first element of the range to be modified.
  // \param size The number of elements of the range to be modified.
  // \param value The divisor for the elements.
  // \return \a true in case the operation would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename ET >  // Type of the element
  BLAZE_ALWAYS_INLINE bool
     tryDiv( const Row<MT,SO,DF,SF,CRAs...>& row, size_t index, size_t size, const ET& value )
  {
     BLAZE_INTERNAL_ASSERT( index <= (~row).size(), "Invalid vector access index" );
     BLAZE_INTERNAL_ASSERT( index + size <= (~row).size(), "Invalid range size" );
  
     return tryDiv( row.operand(), row.row(), index, 1UL, size, value );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by the assignment of a vector to a row.
  // \ingroup row
  //
  // \param lhs The target left-hand side row.
  // \param rhs The right-hand side vector to be assigned.
  // \param index The index of the first element to be modified.
  // \return \a true in case the assignment would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename VT >   // Type of the right-hand side vector
  inline bool tryAssign( const Row<MT,SO,DF,SF,CRAs...>& lhs,
                         const Vector<VT,true>& rhs, size_t index )
  {
     BLAZE_INTERNAL_ASSERT( index <= lhs.size(), "Invalid vector access index" );
     BLAZE_INTERNAL_ASSERT( index + (~rhs).size() <= lhs.size(), "Invalid vector size" );
  
     return tryAssign( lhs.operand(), ~rhs, lhs.row(), index );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by the addition assignment of a vector to a row.
  // \ingroup row
  //
  // \param lhs The target left-hand side row.
  // \param rhs The right-hand side vector to be added.
  // \param index The index of the first element to be modified.
  // \return \a true in case the assignment would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename VT >   // Type of the right-hand side vector
  inline bool tryAddAssign( const Row<MT,SO,DF,SF,CRAs...>& lhs,
                            const Vector<VT,true>& rhs, size_t index )
  {
     BLAZE_INTERNAL_ASSERT( index <= lhs.size(), "Invalid vector access index" );
     BLAZE_INTERNAL_ASSERT( index + (~rhs).size() <= lhs.size(), "Invalid vector size" );
  
     return tryAddAssign( lhs.operand(), ~rhs, lhs.row(), index );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by the subtraction assignment of a vector to a row.
  // \ingroup row
  //
  // \param lhs The target left-hand side row.
  // \param rhs The right-hand side vector to be subtracted.
  // \param index The index of the first element to be modified.
  // \return \a true in case the assignment would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename VT >   // Type of the right-hand side vector
  inline bool trySubAssign( const Row<MT,SO,DF,SF,CRAs...>& lhs,
                            const Vector<VT,true>& rhs, size_t index )
  {
     BLAZE_INTERNAL_ASSERT( index <= lhs.size(), "Invalid vector access index" );
     BLAZE_INTERNAL_ASSERT( index + (~rhs).size() <= lhs.size(), "Invalid vector size" );
  
     return trySubAssign( lhs.operand(), ~rhs, lhs.row(), index );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by the multiplication assignment of a vector to a row.
  // \ingroup row
  //
  // \param lhs The target left-hand side row.
  // \param rhs The right-hand side vector to be multiplied.
  // \param index The index of the first element to be modified.
  // \return \a true in case the assignment would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename VT >   // Type of the right-hand side vector
  inline bool tryMultAssign( const Row<MT,SO,DF,SF,CRAs...>& lhs,
                             const Vector<VT,true>& rhs, size_t index )
  {
     BLAZE_INTERNAL_ASSERT( index <= lhs.size(), "Invalid vector access index" );
     BLAZE_INTERNAL_ASSERT( index + (~rhs).size() <= lhs.size(), "Invalid vector size" );
  
     return tryMultAssign( lhs.operand(), ~rhs, lhs.row(), index );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Predict invariant violations by the division assignment of a vector to a row.
  // \ingroup row
  //
  // \param lhs The target left-hand side row.
  // \param rhs The right-hand side vector divisor.
  // \param index The index of the first element to be modified.
  // \return \a true in case the assignment would be successful, \a false if not.
  //
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in erroneous results and/or in compilation errors. Instead of using this function use the
  // assignment operator.
  */
  template< typename MT     // Type of the matrix
          , bool SO         // Storage order
          , bool DF         // Density flag
          , bool SF         // Symmetry flag
          , size_t... CRAs  // Compile time row arguments
          , typename VT >   // Type of the right-hand side vector
  inline bool tryDivAssign( const Row<MT,SO,DF,SF,CRAs...>& lhs,
                            const Vector<VT,true>& rhs, size_t index )
  {
     BLAZE_INTERNAL_ASSERT( index <= lhs.size(), "Invalid vector access index" );
     BLAZE_INTERNAL_ASSERT( index + (~rhs).size() <= lhs.size(), "Invalid vector size" );
  
     return tryDivAssign( lhs.operand(), ~rhs, lhs.row(), index );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Removal of all restrictions on the data access to the given row.
  // \ingroup row
  //
  // \param r The row to be derestricted.
  // \return Row without access restrictions.
  //
  // This function removes all restrictions on the data access to the given row. It returns a row
  // object that does provide the same interface but does not have any restrictions on the data
  // access.\n
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in the violation of invariants, erroneous results and/or in compilation errors.
  */
  template< typename MT  // Type of the matrix
          , bool SO      // Storage order
          , bool DF      // Density flag
          , bool SF      // Symmetry flag
          , size_t I >   // Row index
  inline decltype(auto) derestrict( Row<MT,SO,DF,SF,I>& r )
  {
     return row<I>( derestrict( r.operand() ), unchecked );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Removal of all restrictions on the data access to the given temporary row.
  // \ingroup row
  //
  // \param r The temporary row to be derestricted.
  // \return Row without access restrictions.
  //
  // This function removes all restrictions on the data access to the given temporary row. It
  // returns a row object that does provide the same interface but does not have any restrictions
  // on the data access.\n
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in the violation of invariants, erroneous results and/or in compilation errors.
  */
  template< typename MT  // Type of the matrix
          , bool SO      // Storage order
          , bool DF      // Density flag
          , bool SF      // Symmetry flag
          , size_t I >   // Row index
  inline decltype(auto) derestrict( Row<MT,SO,DF,SF,I>&& r )
  {
     return row<I>( derestrict( r.operand() ), unchecked );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Removal of all restrictions on the data access to the given row.
  // \ingroup row
  //
  // \param r The row to be derestricted.
  // \return Row without access restrictions.
  //
  // This function removes all restrictions on the data access to the given row. It returns a row
  // object that does provide the same interface but does not have any restrictions on the data
  // access.\n
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in the violation of invariants, erroneous results and/or in compilation errors.
  */
  template< typename MT  // Type of the matrix
          , bool SO      // Storage order
          , bool DF      // Density flag
          , bool SF >    // Symmetry flag
  inline decltype(auto) derestrict( Row<MT,SO,DF,SF>& r )
  {
     return row( derestrict( r.operand() ), r.row(), unchecked );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  /*!\brief Removal of all restrictions on the data access to the given temporary row.
  // \ingroup row
  //
  // \param r The temporary row to be derestricted.
  // \return Row without access restrictions.
  //
  // This function removes all restrictions on the data access to the given temporary row. It
  // returns a row object that does provide the same interface but does not have any restrictions
  // on the data access.\n
  // This function must \b NOT be called explicitly! It is used internally for the performance
  // optimized evaluation of expression templates. Calling this function explicitly might result
  // in the violation of invariants, erroneous results and/or in compilation errors.
  */
  template< typename MT  // Type of the matrix
          , bool SO      // Storage order
          , bool DF      // Density flag
          , bool SF >    // Symmetry flag
  inline decltype(auto) derestrict( Row<MT,SO,DF,SF>&& r )
  {
     return row( derestrict( r.operand() ), r.row(), unchecked );
  }
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  SIZE SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool SO, bool DF, bool SF, size_t... CRAs >
  struct Size< Row<MT,SO,DF,SF,CRAs...>, 0UL >
     : public Size<MT,1UL>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  MAXSIZE SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool SO, bool DF, bool SF, size_t... CRAs >
  struct MaxSize< Row<MT,SO,DF,SF,CRAs...>, 0UL >
     : public MaxSize<MT,1UL>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  ISRESTRICTED SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool SO, bool DF, bool SF, size_t... CRAs >
  struct IsRestricted< Row<MT,SO,DF,SF,CRAs...> >
     : public IsRestricted<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  HASCONSTDATAACCESS SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool SO, bool SF, size_t... CRAs >
  struct HasConstDataAccess< Row<MT,SO,true,SF,CRAs...> >
     : public HasConstDataAccess<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  HASMUTABLEDATAACCESS SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool SO, bool SF, size_t... CRAs >
  struct HasMutableDataAccess< Row<MT,SO,true,SF,CRAs...> >
     : public HasMutableDataAccess<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  ISALIGNED SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool SO, bool SF, size_t... CRAs >
  struct IsAligned< Row<MT,SO,true,SF,CRAs...> >
     : public BoolConstant< IsAligned_v<MT> && ( IsRowMajorMatrix_v<MT> || IsSymmetric_v<MT> ) >
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  ISCONTIGUOUS SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool SF, size_t... CRAs >
  struct IsContiguous< Row<MT,true,true,SF,CRAs...> >
     : public IsContiguous<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  ISPADDED SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool SO, bool SF, size_t... CRAs >
  struct IsPadded< Row<MT,SO,true,SF,CRAs...> >
     : public BoolConstant< IsPadded_v<MT> && ( IsRowMajorMatrix_v<MT> || IsSymmetric_v<MT> ) >
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  ISOPPOSEDVIEW SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT, bool DF, size_t... CRAs >
  struct IsOpposedView< Row<MT,false,DF,false,CRAs...> >
     : public TrueType
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  } // namespace blaze
  
  #endif
  