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authorGravatar Gael Guennebaud <g.gael@free.fr>2010-08-25 13:09:56 +0200
committerGravatar Gael Guennebaud <g.gael@free.fr>2010-08-25 13:09:56 +0200
commitcb7a72d5b0e2b83b14bc54be62603267f8a2d4f5 (patch)
tree30cdb81cf7292f679b19c549c52c5e2976d55248 /Eigen/src/plugins/BlockMethods.h
parente17d17cea3ab1e01a7fa754b9c8d9c857f5c7a50 (diff)
Fix Sun CC parsing of Eigen/Core. In particular,
I moved all the block related methods to a plugin file. This also significantly reduce code verbosity.
Diffstat (limited to 'Eigen/src/plugins/BlockMethods.h')
-rw-r--r--Eigen/src/plugins/BlockMethods.h589
1 files changed, 589 insertions, 0 deletions
diff --git a/Eigen/src/plugins/BlockMethods.h b/Eigen/src/plugins/BlockMethods.h
new file mode 100644
index 000000000..3aae95a64
--- /dev/null
+++ b/Eigen/src/plugins/BlockMethods.h
@@ -0,0 +1,589 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2008-2010 Gael Guennebaud <gael.guennebaud@inria.fr>
+// Copyright (C) 2006-2010 Benoit Jacob <jacob.benoit.1@gmail.com>
+//
+// Eigen is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 3 of the License, or (at your option) any later version.
+//
+// Alternatively, you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 2 of
+// the License, or (at your option) any later version.
+//
+// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License and a copy of the GNU General Public License along with
+// Eigen. If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef EIGEN_BLOCKMETHODS_H
+#define EIGEN_BLOCKMETHODS_H
+
+#ifndef EIGEN_PARSED_BY_DOXYGEN
+
+/** \internal expression type of a column */
+typedef Block<Derived, ei_traits<Derived>::RowsAtCompileTime, 1, !IsRowMajor> ColXpr;
+/** \internal expression type of a row */
+typedef Block<Derived, 1, ei_traits<Derived>::ColsAtCompileTime, IsRowMajor> RowXpr;
+/** \internal expression type of a block of whole columns */
+typedef Block<Derived, ei_traits<Derived>::RowsAtCompileTime, Dynamic, !IsRowMajor> ColsBlockXpr;
+/** \internal expression type of a block of whole rows */
+typedef Block<Derived, Dynamic, ei_traits<Derived>::ColsAtCompileTime, IsRowMajor> RowsBlockXpr;
+/** \internal expression type of a block of whole columns */
+template<int N> struct NColsBlockXpr { typedef Block<Derived, ei_traits<Derived>::RowsAtCompileTime, N, !IsRowMajor> Type; };
+/** \internal expression type of a block of whole rows */
+template<int N> struct NRowsBlockXpr { typedef Block<Derived, N, ei_traits<Derived>::ColsAtCompileTime, IsRowMajor> Type; };
+
+
+#endif // not EIGEN_PARSED_BY_DOXYGEN
+
+/** \returns a dynamic-size expression of a block in *this.
+ *
+ * \param startRow the first row in the block
+ * \param startCol the first column in the block
+ * \param blockRows the number of rows in the block
+ * \param blockCols the number of columns in the block
+ *
+ * Example: \include MatrixBase_block_int_int_int_int.cpp
+ * Output: \verbinclude MatrixBase_block_int_int_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(Index,Index)
+ */
+inline Block<Derived> block(Index startRow, Index startCol, Index blockRows, Index blockCols)
+{
+ return Block<Derived>(derived(), startRow, startCol, blockRows, blockCols);
+}
+
+/** This is the const version of block(Index,Index,Index,Index). */
+inline const Block<Derived> block(Index startRow, Index startCol, Index blockRows, Index blockCols) const
+{
+ return Block<Derived>(derived(), startRow, startCol, blockRows, blockCols);
+}
+
+
+
+
+/** \returns a dynamic-size expression of a top-right corner of *this.
+ *
+ * \param cRows the number of rows in the corner
+ * \param cCols the number of columns in the corner
+ *
+ * Example: \include MatrixBase_topRightCorner_int_int.cpp
+ * Output: \verbinclude MatrixBase_topRightCorner_int_int.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+inline Block<Derived> topRightCorner(Index cRows, Index cCols)
+{
+ return Block<Derived>(derived(), 0, cols() - cCols, cRows, cCols);
+}
+
+/** This is the const version of topRightCorner(Index, Index).*/
+inline const Block<Derived> topRightCorner(Index cRows, Index cCols) const
+{
+ return Block<Derived>(derived(), 0, cols() - cCols, cRows, cCols);
+}
+
+/** \returns an expression of a fixed-size top-right corner of *this.
+ *
+ * The template parameters CRows and CCols are the number of rows and columns in the corner.
+ *
+ * Example: \include MatrixBase_template_int_int_topRightCorner.cpp
+ * Output: \verbinclude MatrixBase_template_int_int_topRightCorner.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+template<int CRows, int CCols>
+inline Block<Derived, CRows, CCols> topRightCorner()
+{
+ return Block<Derived, CRows, CCols>(derived(), 0, cols() - CCols);
+}
+
+/** This is the const version of topRightCorner<int, int>().*/
+template<int CRows, int CCols>
+inline const Block<Derived, CRows, CCols> topRightCorner() const
+{
+ return Block<Derived, CRows, CCols>(derived(), 0, cols() - CCols);
+}
+
+
+
+
+/** \returns a dynamic-size expression of a top-left corner of *this.
+ *
+ * \param cRows the number of rows in the corner
+ * \param cCols the number of columns in the corner
+ *
+ * Example: \include MatrixBase_topLeftCorner_int_int.cpp
+ * Output: \verbinclude MatrixBase_topLeftCorner_int_int.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+inline Block<Derived> topLeftCorner(Index cRows, Index cCols)
+{
+ return Block<Derived>(derived(), 0, 0, cRows, cCols);
+}
+
+/** This is the const version of topLeftCorner(Index, Index).*/
+inline const Block<Derived> topLeftCorner(Index cRows, Index cCols) const
+{
+ return Block<Derived>(derived(), 0, 0, cRows, cCols);
+}
+
+/** \returns an expression of a fixed-size top-left corner of *this.
+ *
+ * The template parameters CRows and CCols are the number of rows and columns in the corner.
+ *
+ * Example: \include MatrixBase_template_int_int_topLeftCorner.cpp
+ * Output: \verbinclude MatrixBase_template_int_int_topLeftCorner.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+template<int CRows, int CCols>
+inline Block<Derived, CRows, CCols> topLeftCorner()
+{
+ return Block<Derived, CRows, CCols>(derived(), 0, 0);
+}
+
+/** This is the const version of topLeftCorner<int, int>().*/
+template<int CRows, int CCols>
+inline const Block<Derived, CRows, CCols> topLeftCorner() const
+{
+ return Block<Derived, CRows, CCols>(derived(), 0, 0);
+}
+
+
+
+/** \returns a dynamic-size expression of a bottom-right corner of *this.
+ *
+ * \param cRows the number of rows in the corner
+ * \param cCols the number of columns in the corner
+ *
+ * Example: \include MatrixBase_bottomRightCorner_int_int.cpp
+ * Output: \verbinclude MatrixBase_bottomRightCorner_int_int.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+inline Block<Derived> bottomRightCorner(Index cRows, Index cCols)
+{
+ return Block<Derived>(derived(), rows() - cRows, cols() - cCols, cRows, cCols);
+}
+
+/** This is the const version of bottomRightCorner(Index, Index).*/
+inline const Block<Derived> bottomRightCorner(Index cRows, Index cCols) const
+{
+ return Block<Derived>(derived(), rows() - cRows, cols() - cCols, cRows, cCols);
+}
+
+/** \returns an expression of a fixed-size bottom-right corner of *this.
+ *
+ * The template parameters CRows and CCols are the number of rows and columns in the corner.
+ *
+ * Example: \include MatrixBase_template_int_int_bottomRightCorner.cpp
+ * Output: \verbinclude MatrixBase_template_int_int_bottomRightCorner.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+template<int CRows, int CCols>
+inline Block<Derived, CRows, CCols> bottomRightCorner()
+{
+ return Block<Derived, CRows, CCols>(derived(), rows() - CRows, cols() - CCols);
+}
+
+/** This is the const version of bottomRightCorner<int, int>().*/
+template<int CRows, int CCols>
+inline const Block<Derived, CRows, CCols> bottomRightCorner() const
+{
+ return Block<Derived, CRows, CCols>(derived(), rows() - CRows, cols() - CCols);
+}
+
+
+
+/** \returns a dynamic-size expression of a bottom-left corner of *this.
+ *
+ * \param cRows the number of rows in the corner
+ * \param cCols the number of columns in the corner
+ *
+ * Example: \include MatrixBase_bottomLeftCorner_int_int.cpp
+ * Output: \verbinclude MatrixBase_bottomLeftCorner_int_int.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+inline Block<Derived> bottomLeftCorner(Index cRows, Index cCols)
+{
+ return Block<Derived>(derived(), rows() - cRows, 0, cRows, cCols);
+}
+
+/** This is the const version of bottomLeftCorner(Index, Index).*/
+inline const Block<Derived> bottomLeftCorner(Index cRows, Index cCols) const
+{
+ return Block<Derived>(derived(), rows() - cRows, 0, cRows, cCols);
+}
+
+/** \returns an expression of a fixed-size bottom-left corner of *this.
+ *
+ * The template parameters CRows and CCols are the number of rows and columns in the corner.
+ *
+ * Example: \include MatrixBase_template_int_int_bottomLeftCorner.cpp
+ * Output: \verbinclude MatrixBase_template_int_int_bottomLeftCorner.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+template<int CRows, int CCols>
+inline Block<Derived, CRows, CCols> bottomLeftCorner()
+{
+ return Block<Derived, CRows, CCols>(derived(), rows() - CRows, 0);
+}
+
+/** This is the const version of bottomLeftCorner<int, int>().*/
+template<int CRows, int CCols>
+inline const Block<Derived, CRows, CCols> bottomLeftCorner() const
+{
+ return Block<Derived, CRows, CCols>(derived(), rows() - CRows, 0);
+}
+
+
+
+/** \returns a block consisting of the top rows of *this.
+ *
+ * \param n the number of rows in the block
+ *
+ * Example: \include MatrixBase_topRows_int.cpp
+ * Output: \verbinclude MatrixBase_topRows_int.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+inline RowsBlockXpr topRows(Index n)
+{
+ return RowsBlockXpr(derived(), 0, 0, n, cols());
+}
+
+/** This is the const version of topRows(Index).*/
+inline const RowsBlockXpr topRows(Index n) const
+{
+ return RowsBlockXpr(derived(), 0, 0, n, cols());
+}
+
+/** \returns a block consisting of the top rows of *this.
+ *
+ * \tparam N the number of rows in the block
+ *
+ * Example: \include MatrixBase_template_int_topRows.cpp
+ * Output: \verbinclude MatrixBase_template_int_topRows.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+template<int N>
+inline typename NRowsBlockXpr<N>::Type topRows()
+{
+ return typename NRowsBlockXpr<N>::Type(derived(), 0, 0, N, cols());
+}
+
+/** This is the const version of topRows<int>().*/
+template<int N>
+inline const typename NRowsBlockXpr<N>::Type topRows() const
+{
+ return typename NRowsBlockXpr<N>::Type(derived(), 0, 0, N, cols());
+}
+
+
+
+/** \returns a block consisting of the bottom rows of *this.
+ *
+ * \param n the number of rows in the block
+ *
+ * Example: \include MatrixBase_bottomRows_int.cpp
+ * Output: \verbinclude MatrixBase_bottomRows_int.out
+ *
+ * \sa class Block, block(Index,Index,Index,Index)
+ */
+inline RowsBlockXpr bottomRows(Index n)
+{
+ return RowsBlockXpr(derived(), rows() - n, 0, n, cols());
+}
+
+/** This is the const version of bottomRows(Index).*/
+inline const RowsBlockXpr 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<int N>
+inline typename NRowsBlockXpr<N>::Type bottomRows()
+{
+ return typename NRowsBlockXpr<N>::Type(derived(), rows() - N, 0, N, cols());
+}
+
+/** This is the const version of bottomRows<int>().*/
+template<int N>
+inline const typename NRowsBlockXpr<N>::Type 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)
+ */
+inline RowsBlockXpr middleRows(Index startRow, Index numRows)
+{
+ return RowsBlockXpr(derived(), startRow, 0, numRows, cols());
+}
+
+/** This is the const version of middleRows(Index,Index).*/
+inline const RowsBlockXpr 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<int N>
+inline typename NRowsBlockXpr<N>::Type middleRows(Index startRow)
+{
+ return typename NRowsBlockXpr<N>::Type(derived(), startRow, 0, N, cols());
+}
+
+/** This is the const version of middleRows<int>().*/
+template<int N>
+inline const typename NRowsBlockXpr<N>::Type middleRows(Index startRow) const
+{
+ return typename 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)
+ */
+inline ColsBlockXpr leftCols(Index n)
+{
+ return ColsBlockXpr(derived(), 0, 0, rows(), n);
+}
+
+/** This is the const version of leftCols(Index).*/
+inline const ColsBlockXpr 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<int N>
+inline typename NColsBlockXpr<N>::Type leftCols()
+{
+ return typename NColsBlockXpr<N>::Type(derived(), 0, 0, rows(), N);
+}
+
+/** This is the const version of leftCols<int>().*/
+template<int N>
+inline const typename NColsBlockXpr<N>::Type 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)
+ */
+inline ColsBlockXpr rightCols(Index n)
+{
+ return ColsBlockXpr(derived(), 0, cols() - n, rows(), n);
+}
+
+/** This is the const version of rightCols(Index).*/
+inline const ColsBlockXpr 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<int N>
+inline typename NColsBlockXpr<N>::Type rightCols()
+{
+ return typename NColsBlockXpr<N>::Type(derived(), 0, cols() - N, rows(), N);
+}
+
+/** This is the const version of rightCols<int>().*/
+template<int N>
+inline const typename NColsBlockXpr<N>::Type rightCols() const
+{
+ return typename 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)
+ */
+inline ColsBlockXpr middleCols(Index startCol, Index numCols)
+{
+ return ColsBlockXpr(derived(), 0, startCol, rows(), numCols);
+}
+
+/** This is the const version of middleCols(Index,Index).*/
+inline const ColsBlockXpr 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<int N>
+inline typename NColsBlockXpr<N>::Type middleCols(Index startCol)
+{
+ return typename NColsBlockXpr<N>::Type(derived(), 0, startCol, rows(), N);
+}
+
+/** This is the const version of middleCols<int>().*/
+template<int N>
+inline const typename NColsBlockXpr<N>::Type 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<int BlockRows, int BlockCols>
+inline Block<Derived, BlockRows, BlockCols> block(Index startRow, Index startCol)
+{
+ return Block<Derived, BlockRows, BlockCols>(derived(), startRow, startCol);
+}
+
+/** This is the const version of block<>(Index, Index). */
+template<int BlockRows, int BlockCols>
+inline const Block<Derived, BlockRows, BlockCols> 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 */
+inline ColXpr col(Index i)
+{
+ return ColXpr(derived(), i);
+}
+
+/** This is the const version of col(). */
+inline const ColXpr 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 */
+inline RowXpr row(Index i)
+{
+ return RowXpr(derived(), i);
+}
+
+/** This is the const version of row(). */
+inline const RowXpr row(Index i) const
+{
+ return RowXpr(derived(), i);
+}
+
+#endif // EIGEN_BLOCKMETHODS_H