diff options
Diffstat (limited to 'Eigen/src/Core/Column.h')
-rw-r--r-- | Eigen/src/Core/Column.h | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/Eigen/src/Core/Column.h b/Eigen/src/Core/Column.h deleted file mode 100644 index 943095671..000000000 --- a/Eigen/src/Core/Column.h +++ /dev/null @@ -1,119 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. Eigen itself is part of the KDE project. -// -// Copyright (C) 2006-2008 Benoit Jacob <jacob@math.jussieu.fr> -// -// 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_COLUMN_H -#define EIGEN_COLUMN_H - -/** \class Column - * - * \brief Expression of a column - * - * \param MatrixType the type of the object in which we are taking a column - * - * This class represents an expression of a column. It is the return - * type of MatrixBase::col() and most of the time this is the only way it - * is used. - * - * However, if you want to directly maniputate column expressions, - * for instance if you want to write a function returning such an expression, you - * will need to use this class. - * - * Here is an example illustrating this: - * \include class_Column.cpp - * Output: \verbinclude class_Column.out - * - * \sa MatrixBase::col() - */ -template<typename MatrixType> -struct ei_traits<Column<MatrixType> > -{ - typedef typename MatrixType::Scalar Scalar; - enum { - RowsAtCompileTime = MatrixType::RowsAtCompileTime, - ColsAtCompileTime = 1, - MaxRowsAtCompileTime = MatrixType::MaxRowsAtCompileTime, - MaxColsAtCompileTime = 1 - }; -}; - -template<typename MatrixType> class Column - : public MatrixBase<Column<MatrixType> > -{ - public: - - EIGEN_BASIC_PUBLIC_INTERFACE(Column) - - typedef typename MatrixType::AsArg MatRef; - - Column(const MatRef& matrix, int col) - : m_matrix(matrix), m_col(col) - { - assert(col >= 0 && col < matrix.cols()); - } - - EIGEN_INHERIT_ASSIGNMENT_OPERATORS(Column) - - private: - - const Column& _asArg() const { return *this; } - int _rows() const { return m_matrix.rows(); } - int _cols() const { return 1; } - - Scalar& _coeffRef(int row, int) - { - return m_matrix.coeffRef(row, m_col); - } - - Scalar _coeff(int row, int) const - { - return m_matrix.coeff(row, m_col); - } - - protected: - MatRef m_matrix; - const int m_col; -}; - -/** \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 Column */ -template<typename Derived> -Column<Derived> -MatrixBase<Derived>::col(int i) -{ - return Column<Derived>(asArg(), i); -} - -/** This is the const version of col(). */ -template<typename Derived> -const Column<Derived> -MatrixBase<Derived>::col(int i) const -{ - return Column<Derived>(asArg(), i); -} - -#endif // EIGEN_COLUMN_H |