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Diffstat (limited to 'extern/Eigen2/Eigen/src/Core/Swap.h')
| -rw-r--r-- | extern/Eigen2/Eigen/src/Core/Swap.h | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/extern/Eigen2/Eigen/src/Core/Swap.h b/extern/Eigen2/Eigen/src/Core/Swap.h deleted file mode 100644 index 9aaac652fd8..00000000000 --- a/extern/Eigen2/Eigen/src/Core/Swap.h +++ /dev/null @@ -1,145 +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.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_SWAP_H -#define EIGEN_SWAP_H - -/** \class SwapWrapper - * - * \internal - * - * \brief Internal helper class for swapping two expressions - */ -template<typename ExpressionType> -struct ei_traits<SwapWrapper<ExpressionType> > -{ - typedef typename ExpressionType::Scalar Scalar; - enum { - RowsAtCompileTime = ExpressionType::RowsAtCompileTime, - ColsAtCompileTime = ExpressionType::ColsAtCompileTime, - MaxRowsAtCompileTime = ExpressionType::MaxRowsAtCompileTime, - MaxColsAtCompileTime = ExpressionType::MaxColsAtCompileTime, - Flags = ExpressionType::Flags, - CoeffReadCost = ExpressionType::CoeffReadCost - }; -}; - -template<typename ExpressionType> class SwapWrapper - : public MatrixBase<SwapWrapper<ExpressionType> > -{ - public: - - EIGEN_GENERIC_PUBLIC_INTERFACE(SwapWrapper) - typedef typename ei_packet_traits<Scalar>::type Packet; - - inline SwapWrapper(ExpressionType& xpr) : m_expression(xpr) {} - - inline int rows() const { return m_expression.rows(); } - inline int cols() const { return m_expression.cols(); } - inline int stride() const { return m_expression.stride(); } - - inline Scalar& coeffRef(int row, int col) - { - return m_expression.const_cast_derived().coeffRef(row, col); - } - - inline Scalar& coeffRef(int index) - { - return m_expression.const_cast_derived().coeffRef(index); - } - - template<typename OtherDerived> - void copyCoeff(int row, int col, const MatrixBase<OtherDerived>& other) - { - OtherDerived& _other = other.const_cast_derived(); - ei_internal_assert(row >= 0 && row < rows() - && col >= 0 && col < cols()); - Scalar tmp = m_expression.coeff(row, col); - m_expression.coeffRef(row, col) = _other.coeff(row, col); - _other.coeffRef(row, col) = tmp; - } - - template<typename OtherDerived> - void copyCoeff(int index, const MatrixBase<OtherDerived>& other) - { - OtherDerived& _other = other.const_cast_derived(); - ei_internal_assert(index >= 0 && index < m_expression.size()); - Scalar tmp = m_expression.coeff(index); - m_expression.coeffRef(index) = _other.coeff(index); - _other.coeffRef(index) = tmp; - } - - template<typename OtherDerived, int StoreMode, int LoadMode> - void copyPacket(int row, int col, const MatrixBase<OtherDerived>& other) - { - OtherDerived& _other = other.const_cast_derived(); - ei_internal_assert(row >= 0 && row < rows() - && col >= 0 && col < cols()); - Packet tmp = m_expression.template packet<StoreMode>(row, col); - m_expression.template writePacket<StoreMode>(row, col, - _other.template packet<LoadMode>(row, col) - ); - _other.template writePacket<LoadMode>(row, col, tmp); - } - - template<typename OtherDerived, int StoreMode, int LoadMode> - void copyPacket(int index, const MatrixBase<OtherDerived>& other) - { - OtherDerived& _other = other.const_cast_derived(); - ei_internal_assert(index >= 0 && index < m_expression.size()); - Packet tmp = m_expression.template packet<StoreMode>(index); - m_expression.template writePacket<StoreMode>(index, - _other.template packet<LoadMode>(index) - ); - _other.template writePacket<LoadMode>(index, tmp); - } - - protected: - ExpressionType& m_expression; - - private: - SwapWrapper& operator=(const SwapWrapper&); -}; - -/** swaps *this with the expression \a other. - * - * \note \a other is only marked for internal reasons, but of course - * it gets const-casted. One reason is that one will often call swap - * on temporary objects (hence non-const references are forbidden). - * Another reason is that lazyAssign takes a const argument anyway. - */ -template<typename Derived> -template<typename OtherDerived> -void MatrixBase<Derived>::swap(const MatrixBase<OtherDerived>& other) -{ - (SwapWrapper<Derived>(derived())).lazyAssign(other); -} - -#endif // EIGEN_SWAP_H - - - - - - |