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@@ -323,654 +323,5 @@ class Block<XprType,BlockRows,BlockCols, InnerPanel,true>
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int m_outerStride;
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};
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/** \returns a dynamic-size expression of a block in *this.
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*
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* \param startRow the first row in the block
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* \param startCol the first column in the block
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* \param blockRows the number of rows in the block
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* \param blockCols the number of columns in the block
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*
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* Example: \include MatrixBase_block_int_int_int_int.cpp
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* Output: \verbinclude MatrixBase_block_int_int_int_int.out
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*
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* \note Even though the returned expression has dynamic size, in the case
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* when it is applied to a fixed-size matrix, it inherits a fixed maximal size,
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* which means that evaluating it does not cause a dynamic memory allocation.
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*
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* \sa class Block, block(Index,Index)
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*/
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template<typename Derived>
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inline Block<Derived> DenseBase<Derived>
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::block(Index startRow, Index startCol, Index blockRows, Index blockCols)
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{
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return Block<Derived>(derived(), startRow, startCol, blockRows, blockCols);
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}
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/** This is the const version of block(Index,Index,Index,Index). */
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template<typename Derived>
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inline const Block<Derived> DenseBase<Derived>
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::block(Index startRow, Index startCol, Index blockRows, Index blockCols) const
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{
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return Block<Derived>(derived(), startRow, startCol, blockRows, blockCols);
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}
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/** \returns a dynamic-size expression of a top-right corner of *this.
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*
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* \param cRows the number of rows in the corner
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* \param cCols the number of columns in the corner
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*
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* Example: \include MatrixBase_topRightCorner_int_int.cpp
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* Output: \verbinclude MatrixBase_topRightCorner_int_int.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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inline Block<Derived> DenseBase<Derived>
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::topRightCorner(Index cRows, Index cCols)
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{
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return Block<Derived>(derived(), 0, cols() - cCols, cRows, cCols);
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}
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/** This is the const version of topRightCorner(Index, Index).*/
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template<typename Derived>
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inline const Block<Derived>
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DenseBase<Derived>::topRightCorner(Index cRows, Index cCols) const
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{
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return Block<Derived>(derived(), 0, cols() - cCols, cRows, cCols);
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}
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/** \returns an expression of a fixed-size top-right corner of *this.
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*
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* The template parameters CRows and CCols are the number of rows and columns in the corner.
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*
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* Example: \include MatrixBase_template_int_int_topRightCorner.cpp
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* Output: \verbinclude MatrixBase_template_int_int_topRightCorner.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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template<int CRows, int CCols>
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inline Block<Derived, CRows, CCols>
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DenseBase<Derived>::topRightCorner()
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{
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return Block<Derived, CRows, CCols>(derived(), 0, cols() - CCols);
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}
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/** This is the const version of topRightCorner<int, int>().*/
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template<typename Derived>
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template<int CRows, int CCols>
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inline const Block<Derived, CRows, CCols>
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DenseBase<Derived>::topRightCorner() const
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{
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return Block<Derived, CRows, CCols>(derived(), 0, cols() - CCols);
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}
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/** \returns a dynamic-size expression of a top-left corner of *this.
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*
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* \param cRows the number of rows in the corner
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* \param cCols the number of columns in the corner
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*
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* Example: \include MatrixBase_topLeftCorner_int_int.cpp
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* Output: \verbinclude MatrixBase_topLeftCorner_int_int.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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inline Block<Derived> DenseBase<Derived>
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::topLeftCorner(Index cRows, Index cCols)
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{
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return Block<Derived>(derived(), 0, 0, cRows, cCols);
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}
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/** This is the const version of topLeftCorner(Index, Index).*/
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template<typename Derived>
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inline const Block<Derived>
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DenseBase<Derived>::topLeftCorner(Index cRows, Index cCols) const
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{
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return Block<Derived>(derived(), 0, 0, cRows, cCols);
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}
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/** \returns an expression of a fixed-size top-left corner of *this.
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*
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* The template parameters CRows and CCols are the number of rows and columns in the corner.
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*
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* Example: \include MatrixBase_template_int_int_topLeftCorner.cpp
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* Output: \verbinclude MatrixBase_template_int_int_topLeftCorner.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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template<int CRows, int CCols>
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inline Block<Derived, CRows, CCols>
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DenseBase<Derived>::topLeftCorner()
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{
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return Block<Derived, CRows, CCols>(derived(), 0, 0);
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}
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/** This is the const version of topLeftCorner<int, int>().*/
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template<typename Derived>
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template<int CRows, int CCols>
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inline const Block<Derived, CRows, CCols>
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DenseBase<Derived>::topLeftCorner() const
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{
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return Block<Derived, CRows, CCols>(derived(), 0, 0);
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}
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/** \returns a dynamic-size expression of a bottom-right corner of *this.
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*
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* \param cRows the number of rows in the corner
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* \param cCols the number of columns in the corner
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*
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* Example: \include MatrixBase_bottomRightCorner_int_int.cpp
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* Output: \verbinclude MatrixBase_bottomRightCorner_int_int.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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inline Block<Derived> DenseBase<Derived>
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::bottomRightCorner(Index cRows, Index cCols)
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{
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return Block<Derived>(derived(), rows() - cRows, cols() - cCols, cRows, cCols);
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}
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/** This is the const version of bottomRightCorner(Index, Index).*/
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template<typename Derived>
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inline const Block<Derived>
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DenseBase<Derived>::bottomRightCorner(Index cRows, Index cCols) const
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{
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return Block<Derived>(derived(), rows() - cRows, cols() - cCols, cRows, cCols);
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}
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/** \returns an expression of a fixed-size bottom-right corner of *this.
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*
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* The template parameters CRows and CCols are the number of rows and columns in the corner.
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*
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* Example: \include MatrixBase_template_int_int_bottomRightCorner.cpp
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* Output: \verbinclude MatrixBase_template_int_int_bottomRightCorner.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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template<int CRows, int CCols>
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inline Block<Derived, CRows, CCols>
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DenseBase<Derived>::bottomRightCorner()
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{
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return Block<Derived, CRows, CCols>(derived(), rows() - CRows, cols() - CCols);
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}
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/** This is the const version of bottomRightCorner<int, int>().*/
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template<typename Derived>
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template<int CRows, int CCols>
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inline const Block<Derived, CRows, CCols>
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DenseBase<Derived>::bottomRightCorner() const
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{
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return Block<Derived, CRows, CCols>(derived(), rows() - CRows, cols() - CCols);
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}
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/** \returns a dynamic-size expression of a bottom-left corner of *this.
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*
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* \param cRows the number of rows in the corner
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* \param cCols the number of columns in the corner
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*
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* Example: \include MatrixBase_bottomLeftCorner_int_int.cpp
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* Output: \verbinclude MatrixBase_bottomLeftCorner_int_int.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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inline Block<Derived> DenseBase<Derived>
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::bottomLeftCorner(Index cRows, Index cCols)
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{
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return Block<Derived>(derived(), rows() - cRows, 0, cRows, cCols);
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}
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/** This is the const version of bottomLeftCorner(Index, Index).*/
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template<typename Derived>
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inline const Block<Derived>
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DenseBase<Derived>::bottomLeftCorner(Index cRows, Index cCols) const
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{
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return Block<Derived>(derived(), rows() - cRows, 0, cRows, cCols);
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}
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/** \returns an expression of a fixed-size bottom-left corner of *this.
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*
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* The template parameters CRows and CCols are the number of rows and columns in the corner.
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*
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* Example: \include MatrixBase_template_int_int_bottomLeftCorner.cpp
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* Output: \verbinclude MatrixBase_template_int_int_bottomLeftCorner.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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template<int CRows, int CCols>
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inline Block<Derived, CRows, CCols>
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DenseBase<Derived>::bottomLeftCorner()
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{
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return Block<Derived, CRows, CCols>(derived(), rows() - CRows, 0);
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}
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/** This is the const version of bottomLeftCorner<int, int>().*/
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template<typename Derived>
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template<int CRows, int CCols>
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inline const Block<Derived, CRows, CCols>
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DenseBase<Derived>::bottomLeftCorner() const
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{
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return Block<Derived, CRows, CCols>(derived(), rows() - CRows, 0);
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}
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/** \returns a block consisting of the top rows of *this.
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*
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* \param n the number of rows in the block
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*
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* Example: \include MatrixBase_topRows_int.cpp
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* Output: \verbinclude MatrixBase_topRows_int.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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inline typename DenseBase<Derived>::RowsBlockXpr DenseBase<Derived>
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::topRows(Index n)
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{
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return RowsBlockXpr(derived(), 0, 0, n, cols());
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}
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/** This is the const version of topRows(Index).*/
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template<typename Derived>
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inline const typename DenseBase<Derived>::RowsBlockXpr
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DenseBase<Derived>::topRows(Index n) const
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{
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return RowsBlockXpr(derived(), 0, 0, n, cols());
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}
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/** \returns a block consisting of the top rows of *this.
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*
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* \tparam N the number of rows in the block
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*
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* Example: \include MatrixBase_template_int_topRows.cpp
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* Output: \verbinclude MatrixBase_template_int_topRows.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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template<int N>
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inline typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type
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DenseBase<Derived>::topRows()
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{
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return typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type(derived(), 0, 0, N, cols());
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}
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/** This is the const version of topRows<int>().*/
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template<typename Derived>
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template<int N>
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inline const typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type
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DenseBase<Derived>::topRows() const
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{
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return typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type(derived(), 0, 0, N, cols());
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}
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/** \returns a block consisting of the bottom rows of *this.
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*
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* \param n the number of rows in the block
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*
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* Example: \include MatrixBase_bottomRows_int.cpp
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* Output: \verbinclude MatrixBase_bottomRows_int.out
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*
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* \sa class Block, block(Index,Index,Index,Index)
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*/
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template<typename Derived>
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inline typename DenseBase<Derived>::RowsBlockXpr DenseBase<Derived>
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::bottomRows(Index n)
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{
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|
|
|
|
return RowsBlockXpr(derived(), rows() - n, 0, n, cols());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of bottomRows(Index).*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline const typename DenseBase<Derived>::RowsBlockXpr
|
|
|
|
|
DenseBase<Derived>::bottomRows(Index n) const
|
|
|
|
|
{
|
|
|
|
|
return RowsBlockXpr(derived(), rows() - n, 0, n, cols());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of the bottom rows of *this.
|
|
|
|
|
*
|
|
|
|
|
* \tparam N the number of rows in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include MatrixBase_template_int_bottomRows.cpp
|
|
|
|
|
* Output: \verbinclude MatrixBase_template_int_bottomRows.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::bottomRows()
|
|
|
|
|
{
|
|
|
|
|
return typename NRowsBlockXpr<N>::Type(derived(), rows() - N, 0, N, cols());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of bottomRows<int>().*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline const typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::bottomRows() const
|
|
|
|
|
{
|
|
|
|
|
return typename NRowsBlockXpr<N>::Type(derived(), rows() - N, 0, N, cols());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of a range of rows of *this.
|
|
|
|
|
*
|
|
|
|
|
* \param startRow the index of the first row in the block
|
|
|
|
|
* \param numRows the number of rows in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include DenseBase_middleRows_int.cpp
|
|
|
|
|
* Output: \verbinclude DenseBase_middleRows_int.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline typename DenseBase<Derived>::RowsBlockXpr DenseBase<Derived>
|
|
|
|
|
::middleRows(Index startRow, Index numRows)
|
|
|
|
|
{
|
|
|
|
|
return RowsBlockXpr(derived(), startRow, 0, numRows, cols());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of middleRows(Index,Index).*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline const typename DenseBase<Derived>::RowsBlockXpr
|
|
|
|
|
DenseBase<Derived>::middleRows(Index startRow, Index numRows) const
|
|
|
|
|
{
|
|
|
|
|
return RowsBlockXpr(derived(), startRow, 0, numRows, cols());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of a range of rows of *this.
|
|
|
|
|
*
|
|
|
|
|
* \tparam N the number of rows in the block
|
|
|
|
|
* \param startRow the index of the first row in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include DenseBase_template_int_middleRows.cpp
|
|
|
|
|
* Output: \verbinclude DenseBase_template_int_middleRows.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::middleRows(Index startRow)
|
|
|
|
|
{
|
|
|
|
|
return typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type(derived(), startRow, 0, N, cols());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of middleRows<int>().*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline const typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::middleRows(Index startRow) const
|
|
|
|
|
{
|
|
|
|
|
return typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type(derived(), startRow, 0, N, cols());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of the left columns of *this.
|
|
|
|
|
*
|
|
|
|
|
* \param n the number of columns in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include MatrixBase_leftCols_int.cpp
|
|
|
|
|
* Output: \verbinclude MatrixBase_leftCols_int.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline typename DenseBase<Derived>::ColsBlockXpr DenseBase<Derived>
|
|
|
|
|
::leftCols(Index n)
|
|
|
|
|
{
|
|
|
|
|
return ColsBlockXpr(derived(), 0, 0, rows(), n);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of leftCols(Index).*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline const typename DenseBase<Derived>::ColsBlockXpr
|
|
|
|
|
DenseBase<Derived>::leftCols(Index n) const
|
|
|
|
|
{
|
|
|
|
|
return ColsBlockXpr(derived(), 0, 0, rows(), n);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of the left columns of *this.
|
|
|
|
|
*
|
|
|
|
|
* \tparam N the number of columns in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include MatrixBase_template_int_leftCols.cpp
|
|
|
|
|
* Output: \verbinclude MatrixBase_template_int_leftCols.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline typename DenseBase<Derived>::template NColsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::leftCols()
|
|
|
|
|
{
|
|
|
|
|
return typename NColsBlockXpr<N>::Type(derived(), 0, 0, rows(), N);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of leftCols<int>().*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline const typename DenseBase<Derived>::template NColsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::leftCols() const
|
|
|
|
|
{
|
|
|
|
|
return typename NColsBlockXpr<N>::Type(derived(), 0, 0, rows(), N);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of the right columns of *this.
|
|
|
|
|
*
|
|
|
|
|
* \param n the number of columns in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include MatrixBase_rightCols_int.cpp
|
|
|
|
|
* Output: \verbinclude MatrixBase_rightCols_int.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline typename DenseBase<Derived>::ColsBlockXpr DenseBase<Derived>
|
|
|
|
|
::rightCols(Index n)
|
|
|
|
|
{
|
|
|
|
|
return ColsBlockXpr(derived(), 0, cols() - n, rows(), n);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of rightCols(Index).*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline const typename DenseBase<Derived>::ColsBlockXpr
|
|
|
|
|
DenseBase<Derived>::rightCols(Index n) const
|
|
|
|
|
{
|
|
|
|
|
return ColsBlockXpr(derived(), 0, cols() - n, rows(), n);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of the right columns of *this.
|
|
|
|
|
*
|
|
|
|
|
* \tparam N the number of columns in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include MatrixBase_template_int_rightCols.cpp
|
|
|
|
|
* Output: \verbinclude MatrixBase_template_int_rightCols.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline typename DenseBase<Derived>::template NColsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::rightCols()
|
|
|
|
|
{
|
|
|
|
|
return typename DenseBase<Derived>::template NColsBlockXpr<N>::Type(derived(), 0, cols() - N, rows(), N);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of rightCols<int>().*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline const typename DenseBase<Derived>::template NColsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::rightCols() const
|
|
|
|
|
{
|
|
|
|
|
return typename DenseBase<Derived>::template NColsBlockXpr<N>::Type(derived(), 0, cols() - N, rows(), N);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of a range of columns of *this.
|
|
|
|
|
*
|
|
|
|
|
* \param startCol the index of the first column in the block
|
|
|
|
|
* \param numCols the number of columns in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include DenseBase_middleCols_int.cpp
|
|
|
|
|
* Output: \verbinclude DenseBase_middleCols_int.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline typename DenseBase<Derived>::ColsBlockXpr DenseBase<Derived>
|
|
|
|
|
::middleCols(Index startCol, Index numCols)
|
|
|
|
|
{
|
|
|
|
|
return ColsBlockXpr(derived(), 0, startCol, rows(), numCols);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of middleCols(Index,Index).*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline const typename DenseBase<Derived>::ColsBlockXpr
|
|
|
|
|
DenseBase<Derived>::middleCols(Index startCol, Index numCols) const
|
|
|
|
|
{
|
|
|
|
|
return ColsBlockXpr(derived(), 0, startCol, rows(), numCols);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** \returns a block consisting of a range of columns of *this.
|
|
|
|
|
*
|
|
|
|
|
* \tparam N the number of columns in the block
|
|
|
|
|
* \param startCol the index of the first column in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include DenseBase_template_int_middleCols.cpp
|
|
|
|
|
* Output: \verbinclude DenseBase_template_int_middleCols.out
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline typename DenseBase<Derived>::template NColsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::middleCols(Index startCol)
|
|
|
|
|
{
|
|
|
|
|
return typename NColsBlockXpr<N>::Type(derived(), 0, startCol, rows(), N);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of middleCols<int>().*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int N>
|
|
|
|
|
inline const typename DenseBase<Derived>::template NColsBlockXpr<N>::Type
|
|
|
|
|
DenseBase<Derived>::middleCols(Index startCol) const
|
|
|
|
|
{
|
|
|
|
|
return typename NColsBlockXpr<N>::Type(derived(), 0, startCol, rows(), N);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/** \returns a fixed-size expression of a block in *this.
|
|
|
|
|
*
|
|
|
|
|
* The template parameters \a BlockRows and \a BlockCols are the number of
|
|
|
|
|
* rows and columns in the block.
|
|
|
|
|
*
|
|
|
|
|
* \param startRow the first row in the block
|
|
|
|
|
* \param startCol the first column in the block
|
|
|
|
|
*
|
|
|
|
|
* Example: \include MatrixBase_block_int_int.cpp
|
|
|
|
|
* Output: \verbinclude MatrixBase_block_int_int.out
|
|
|
|
|
*
|
|
|
|
|
* \note since block is a templated member, the keyword template has to be used
|
|
|
|
|
* if the matrix type is also a template parameter: \code m.template block<3,3>(1,1); \endcode
|
|
|
|
|
*
|
|
|
|
|
* \sa class Block, block(Index,Index,Index,Index)
|
|
|
|
|
*/
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int BlockRows, int BlockCols>
|
|
|
|
|
inline Block<Derived, BlockRows, BlockCols>
|
|
|
|
|
DenseBase<Derived>::block(Index startRow, Index startCol)
|
|
|
|
|
{
|
|
|
|
|
return Block<Derived, BlockRows, BlockCols>(derived(), startRow, startCol);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of block<>(Index, Index). */
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
template<int BlockRows, int BlockCols>
|
|
|
|
|
inline const Block<Derived, BlockRows, BlockCols>
|
|
|
|
|
DenseBase<Derived>::block(Index startRow, Index startCol) const
|
|
|
|
|
{
|
|
|
|
|
return Block<Derived, BlockRows, BlockCols>(derived(), startRow, startCol);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** \returns an expression of the \a i-th column of *this. Note that the numbering starts at 0.
|
|
|
|
|
*
|
|
|
|
|
* Example: \include MatrixBase_col.cpp
|
|
|
|
|
* Output: \verbinclude MatrixBase_col.out
|
|
|
|
|
*
|
|
|
|
|
* \sa row(), class Block */
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline typename DenseBase<Derived>::ColXpr
|
|
|
|
|
DenseBase<Derived>::col(Index i)
|
|
|
|
|
{
|
|
|
|
|
return ColXpr(derived(), i);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of col(). */
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline const typename DenseBase<Derived>::ColXpr
|
|
|
|
|
DenseBase<Derived>::col(Index i) const
|
|
|
|
|
{
|
|
|
|
|
return ColXpr(derived(), i);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** \returns an expression of the \a i-th row of *this. Note that the numbering starts at 0.
|
|
|
|
|
*
|
|
|
|
|
* Example: \include MatrixBase_row.cpp
|
|
|
|
|
* Output: \verbinclude MatrixBase_row.out
|
|
|
|
|
*
|
|
|
|
|
* \sa col(), class Block */
|
|
|
|
|
template<typename Derived>
|
|
|
|
|
inline typename DenseBase<Derived>::RowXpr
|
|
|
|
|
DenseBase<Derived>::row(Index i)
|
|
|
|
|
{
|
|
|
|
|
return RowXpr(derived(), i);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/** This is the const version of row(). */
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template<typename Derived>
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inline const typename DenseBase<Derived>::RowXpr
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DenseBase<Derived>::row(Index i) const
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{
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return RowXpr(derived(), i);
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}
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#endif // EIGEN_BLOCK_H
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