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https://gitlab.com/libeigen/eigen.git
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* implement the corner() API change: new methods topLeftCorner() etc
* get rid of BlockReturnType: it was not needed, and code was not always using it consistently anyway * add topRows(), leftCols(), bottomRows(), rightCols() * add corners unit-test covering all of that * adapt docs, expand "porting from eigen 2 to 3" * adapt Eigen2Support
This commit is contained in:
Benoit Jacob
@@ -328,128 +328,456 @@ class Block<XprType,BlockRows,BlockCols,HasDirectAccess>
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* \sa class Block, block(int,int)
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*/
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template<typename Derived>
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inline typename BlockReturnType<Derived>::Type DenseBase<Derived>
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inline Block<Derived> DenseBase<Derived>
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::block(int startRow, int startCol, int blockRows, int blockCols)
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{
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return typename BlockReturnType<Derived>::Type(derived(), startRow, startCol, blockRows, blockCols);
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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(int,int,int,int). */
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template<typename Derived>
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inline const typename BlockReturnType<Derived>::Type DenseBase<Derived>
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inline const Block<Derived> DenseBase<Derived>
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::block(int startRow, int startCol, int blockRows, int blockCols) const
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{
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return typename BlockReturnType<Derived>::Type(derived(), startRow, startCol, blockRows, blockCols);
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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 corner of *this.
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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 type the type of corner. Can be \a Eigen::TopLeft, \a Eigen::TopRight,
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* \a Eigen::BottomLeft, \a Eigen::BottomRight.
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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_corner_enum_int_int.cpp
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* Output: \verbinclude MatrixBase_corner_enum_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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* 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(int,int,int,int)
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*/
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template<typename Derived>
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inline typename BlockReturnType<Derived>::Type DenseBase<Derived>
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::corner(CornerType type, int cRows, int cCols)
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inline Block<Derived> DenseBase<Derived>
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::topRightCorner(int cRows, int cCols)
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{
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switch(type)
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{
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default:
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ei_assert(false && "Bad corner type.");
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case TopLeft:
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return typename BlockReturnType<Derived>::Type(derived(), 0, 0, cRows, cCols);
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case TopRight:
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return typename BlockReturnType<Derived>::Type(derived(), 0, cols() - cCols, cRows, cCols);
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case BottomLeft:
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return typename BlockReturnType<Derived>::Type(derived(), rows() - cRows, 0, cRows, cCols);
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case BottomRight:
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return typename BlockReturnType<Derived>::Type(derived(), rows() - cRows, cols() - cCols, cRows, 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 corner(CornerType, int, int).*/
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/** This is the const version of topRightCorner(int, int).*/
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template<typename Derived>
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inline const typename BlockReturnType<Derived>::Type
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DenseBase<Derived>::corner(CornerType type, int cRows, int cCols) const
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inline const Block<Derived>
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DenseBase<Derived>::topRightCorner(int cRows, int cCols) const
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{
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switch(type)
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{
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default:
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ei_assert(false && "Bad corner type.");
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case TopLeft:
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return typename BlockReturnType<Derived>::Type(derived(), 0, 0, cRows, cCols);
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case TopRight:
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return typename BlockReturnType<Derived>::Type(derived(), 0, cols() - cCols, cRows, cCols);
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case BottomLeft:
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return typename BlockReturnType<Derived>::Type(derived(), rows() - cRows, 0, cRows, cCols);
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case BottomRight:
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return typename BlockReturnType<Derived>::Type(derived(), rows() - cRows, cols() - cCols, cRows, 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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/** \returns a fixed-size expression of a corner of *this.
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/** \returns an expression of a fixed-size top-right corner of *this.
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*
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* \param type the type of corner. Can be \a Eigen::TopLeft, \a Eigen::TopRight,
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* \a Eigen::BottomLeft, \a Eigen::BottomRight.
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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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* The template parameters CRows and CCols arethe number of rows and columns in the corner.
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*
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* Example: \include MatrixBase_template_int_int_corner_enum.cpp
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* Output: \verbinclude MatrixBase_template_int_int_corner_enum.out
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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(int,int,int,int)
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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 typename BlockReturnType<Derived, CRows, CCols>::Type
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DenseBase<Derived>::corner(CornerType type)
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inline Block<Derived, CRows, CCols>
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DenseBase<Derived>::topRightCorner()
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{
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switch(type)
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{
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default:
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ei_assert(false && "Bad corner type.");
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case TopLeft:
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return Block<Derived, CRows, CCols>(derived(), 0, 0);
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case TopRight:
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return Block<Derived, CRows, CCols>(derived(), 0, cols() - CCols);
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case BottomLeft:
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return Block<Derived, CRows, CCols>(derived(), rows() - CRows, 0);
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case BottomRight:
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return Block<Derived, CRows, CCols>(derived(), rows() - CRows, cols() - CCols);
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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 corner<int, int>(CornerType).*/
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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 typename BlockReturnType<Derived, CRows, CCols>::Type
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DenseBase<Derived>::corner(CornerType type) const
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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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switch(type)
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{
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default:
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ei_assert(false && "Bad corner type.");
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case TopLeft:
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return Block<Derived, CRows, CCols>(derived(), 0, 0);
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case TopRight:
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return Block<Derived, CRows, CCols>(derived(), 0, cols() - CCols);
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case BottomLeft:
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return Block<Derived, CRows, CCols>(derived(), rows() - CRows, 0);
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case BottomRight:
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return Block<Derived, CRows, CCols>(derived(), rows() - CRows, cols() - CCols);
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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(int,int,int,int)
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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(int cRows, int 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(int, int).*/
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template<typename Derived>
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inline const Block<Derived>
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DenseBase<Derived>::topLeftCorner(int cRows, int 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(int,int,int,int)
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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(int,int,int,int)
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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(int cRows, int 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(int, int).*/
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template<typename Derived>
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inline const Block<Derived>
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DenseBase<Derived>::bottomRightCorner(int cRows, int 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(int,int,int,int)
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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(int,int,int,int)
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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(int cRows, int 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(int, int).*/
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template<typename Derived>
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inline const Block<Derived>
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DenseBase<Derived>::bottomLeftCorner(int cRows, int 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(int,int,int,int)
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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(int,int,int,int)
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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(int 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(int).*/
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template<typename Derived>
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inline const typename DenseBase<Derived>::RowsBlockXpr
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DenseBase<Derived>::topRows(int 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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* \param 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(int,int,int,int)
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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(int,int,int,int)
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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(int n)
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{
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return RowsBlockXpr(derived(), rows() - n, 0, n, cols());
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}
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||||
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/** This is the const version of bottomRows(int).*/
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template<typename Derived>
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inline const typename DenseBase<Derived>::RowsBlockXpr
|
||||
DenseBase<Derived>::bottomRows(int n) const
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{
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||||
return RowsBlockXpr(derived(), rows() - n, 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_template_int_bottomRows.cpp
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* Output: \verbinclude MatrixBase_template_int_bottomRows.out
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*
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||||
* \sa class Block, block(int,int,int,int)
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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
|
||||
DenseBase<Derived>::bottomRows()
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||||
{
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||||
return typename NRowsBlockXpr<N>::Type(derived(), rows() - N, 0, N, cols());
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||||
}
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||||
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||||
/** This is the const version of bottomRows<int>().*/
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||||
template<typename Derived>
|
||||
template<int N>
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||||
inline const typename DenseBase<Derived>::template NRowsBlockXpr<N>::Type
|
||||
DenseBase<Derived>::bottomRows() const
|
||||
{
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||||
return typename NRowsBlockXpr<N>::Type(derived(), rows() - N, 0, N, cols());
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||||
}
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||||
|
||||
|
||||
|
||||
|
||||
|
||||
/** \returns a block consisting of the top columns of *this.
|
||||
*
|
||||
* \param n the number of columns in the block
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||||
*
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||||
* Example: \include MatrixBase_leftCols_int.cpp
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||||
* Output: \verbinclude MatrixBase_leftCols_int.out
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||||
*
|
||||
* \sa class Block, block(int,int,int,int)
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||||
*/
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||||
template<typename Derived>
|
||||
inline typename DenseBase<Derived>::ColsBlockXpr DenseBase<Derived>
|
||||
::leftCols(int n)
|
||||
{
|
||||
return ColsBlockXpr(derived(), 0, 0, rows(), n);
|
||||
}
|
||||
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||||
/** This is the const version of leftCols(int).*/
|
||||
template<typename Derived>
|
||||
inline const typename DenseBase<Derived>::ColsBlockXpr
|
||||
DenseBase<Derived>::leftCols(int n) const
|
||||
{
|
||||
return ColsBlockXpr(derived(), 0, 0, rows(), n);
|
||||
}
|
||||
|
||||
/** \returns a block consisting of the top columns of *this.
|
||||
*
|
||||
* \param 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(int,int,int,int)
|
||||
*/
|
||||
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 top 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(int,int,int,int)
|
||||
*/
|
||||
template<typename Derived>
|
||||
inline typename DenseBase<Derived>::ColsBlockXpr DenseBase<Derived>
|
||||
::rightCols(int n)
|
||||
{
|
||||
return ColsBlockXpr(derived(), 0, cols() - n, rows(), n);
|
||||
}
|
||||
|
||||
/** This is the const version of rightCols(int).*/
|
||||
template<typename Derived>
|
||||
inline const typename DenseBase<Derived>::ColsBlockXpr
|
||||
DenseBase<Derived>::rightCols(int n) const
|
||||
{
|
||||
return ColsBlockXpr(derived(), 0, cols() - n, rows(), n);
|
||||
}
|
||||
|
||||
/** \returns a block consisting of the top columns of *this.
|
||||
*
|
||||
* \param 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(int,int,int,int)
|
||||
*/
|
||||
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 fixed-size expression of a block in *this.
|
||||
*
|
||||
* The template parameters \a BlockRows and \a BlockCols are the number of
|
||||
@@ -468,7 +796,7 @@ DenseBase<Derived>::corner(CornerType type) const
|
||||
*/
|
||||
template<typename Derived>
|
||||
template<int BlockRows, int BlockCols>
|
||||
inline typename BlockReturnType<Derived, BlockRows, BlockCols>::Type
|
||||
inline Block<Derived, BlockRows, BlockCols>
|
||||
DenseBase<Derived>::block(int startRow, int startCol)
|
||||
{
|
||||
return Block<Derived, BlockRows, BlockCols>(derived(), startRow, startCol);
|
||||
@@ -477,7 +805,7 @@ DenseBase<Derived>::block(int startRow, int startCol)
|
||||
/** This is the const version of block<>(int, int). */
|
||||
template<typename Derived>
|
||||
template<int BlockRows, int BlockCols>
|
||||
inline const typename BlockReturnType<Derived, BlockRows, BlockCols>::Type
|
||||
inline const Block<Derived, BlockRows, BlockCols>
|
||||
DenseBase<Derived>::block(int startRow, int startCol) const
|
||||
{
|
||||
return Block<Derived, BlockRows, BlockCols>(derived(), startRow, startCol);
|
||||
@@ -525,4 +853,116 @@ DenseBase<Derived>::row(int i) const
|
||||
return RowXpr(derived(), i);
|
||||
}
|
||||
|
||||
#ifdef EIGEN2_SUPPORT
|
||||
|
||||
/** \returns a dynamic-size expression of a corner of *this.
|
||||
*
|
||||
* \param type the type of corner. Can be \a Eigen::TopLeft, \a Eigen::TopRight,
|
||||
* \a Eigen::BottomLeft, \a Eigen::BottomRight.
|
||||
* \param cRows the number of rows in the corner
|
||||
* \param cCols the number of columns in the corner
|
||||
*
|
||||
* Example: \include MatrixBase_corner_enum_int_int.cpp
|
||||
* Output: \verbinclude MatrixBase_corner_enum_int_int.out
|
||||
*
|
||||
* \note Even though the returned expression has dynamic size, in the case
|
||||
* when it is applied to a fixed-size matrix, it inherits a fixed maximal size,
|
||||
* which means that evaluating it does not cause a dynamic memory allocation.
|
||||
*
|
||||
* \sa class Block, block(int,int,int,int)
|
||||
*/
|
||||
template<typename Derived>
|
||||
inline Block<Derived> DenseBase<Derived>
|
||||
::corner(CornerType type, int cRows, int cCols)
|
||||
{
|
||||
switch(type)
|
||||
{
|
||||
default:
|
||||
ei_assert(false && "Bad corner type.");
|
||||
case TopLeft:
|
||||
return Block<Derived>(derived(), 0, 0, cRows, cCols);
|
||||
case TopRight:
|
||||
return Block<Derived>(derived(), 0, cols() - cCols, cRows, cCols);
|
||||
case BottomLeft:
|
||||
return Block<Derived>(derived(), rows() - cRows, 0, cRows, cCols);
|
||||
case BottomRight:
|
||||
return Block<Derived>(derived(), rows() - cRows, cols() - cCols, cRows, cCols);
|
||||
}
|
||||
}
|
||||
|
||||
/** This is the const version of corner(CornerType, int, int).*/
|
||||
template<typename Derived>
|
||||
inline const Block<Derived>
|
||||
DenseBase<Derived>::corner(CornerType type, int cRows, int cCols) const
|
||||
{
|
||||
switch(type)
|
||||
{
|
||||
default:
|
||||
ei_assert(false && "Bad corner type.");
|
||||
case TopLeft:
|
||||
return Block<Derived>(derived(), 0, 0, cRows, cCols);
|
||||
case TopRight:
|
||||
return Block<Derived>(derived(), 0, cols() - cCols, cRows, cCols);
|
||||
case BottomLeft:
|
||||
return Block<Derived>(derived(), rows() - cRows, 0, cRows, cCols);
|
||||
case BottomRight:
|
||||
return Block<Derived>(derived(), rows() - cRows, cols() - cCols, cRows, cCols);
|
||||
}
|
||||
}
|
||||
|
||||
/** \returns a fixed-size expression of a corner of *this.
|
||||
*
|
||||
* \param type the type of corner. Can be \a Eigen::TopLeft, \a Eigen::TopRight,
|
||||
* \a Eigen::BottomLeft, \a Eigen::BottomRight.
|
||||
*
|
||||
* The template parameters CRows and CCols arethe number of rows and columns in the corner.
|
||||
*
|
||||
* Example: \include MatrixBase_template_int_int_corner_enum.cpp
|
||||
* Output: \verbinclude MatrixBase_template_int_int_corner_enum.out
|
||||
*
|
||||
* \sa class Block, block(int,int,int,int)
|
||||
*/
|
||||
template<typename Derived>
|
||||
template<int CRows, int CCols>
|
||||
inline Block<Derived, CRows, CCols>
|
||||
DenseBase<Derived>::corner(CornerType type)
|
||||
{
|
||||
switch(type)
|
||||
{
|
||||
default:
|
||||
ei_assert(false && "Bad corner type.");
|
||||
case TopLeft:
|
||||
return Block<Derived, CRows, CCols>(derived(), 0, 0);
|
||||
case TopRight:
|
||||
return Block<Derived, CRows, CCols>(derived(), 0, cols() - CCols);
|
||||
case BottomLeft:
|
||||
return Block<Derived, CRows, CCols>(derived(), rows() - CRows, 0);
|
||||
case BottomRight:
|
||||
return Block<Derived, CRows, CCols>(derived(), rows() - CRows, cols() - CCols);
|
||||
}
|
||||
}
|
||||
|
||||
/** This is the const version of corner<int, int>(CornerType).*/
|
||||
template<typename Derived>
|
||||
template<int CRows, int CCols>
|
||||
inline const Block<Derived, CRows, CCols>
|
||||
DenseBase<Derived>::corner(CornerType type) const
|
||||
{
|
||||
switch(type)
|
||||
{
|
||||
default:
|
||||
ei_assert(false && "Bad corner type.");
|
||||
case TopLeft:
|
||||
return Block<Derived, CRows, CCols>(derived(), 0, 0);
|
||||
case TopRight:
|
||||
return Block<Derived, CRows, CCols>(derived(), 0, cols() - CCols);
|
||||
case BottomLeft:
|
||||
return Block<Derived, CRows, CCols>(derived(), rows() - CRows, 0);
|
||||
case BottomRight:
|
||||
return Block<Derived, CRows, CCols>(derived(), rows() - CRows, cols() - CCols);
|
||||
}
|
||||
}
|
||||
|
||||
#endif // EIGEN2_SUPPORT
|
||||
|
||||
#endif // EIGEN_BLOCK_H
|
||||
|
||||
Reference in New Issue
Block a user