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Diffstat (limited to 'extern/Eigen2/Eigen/src/Core/MapBase.h')
| -rw-r--r-- | extern/Eigen2/Eigen/src/Core/MapBase.h | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/extern/Eigen2/Eigen/src/Core/MapBase.h b/extern/Eigen2/Eigen/src/Core/MapBase.h deleted file mode 100644 index c923bc34034..00000000000 --- a/extern/Eigen2/Eigen/src/Core/MapBase.h +++ /dev/null @@ -1,202 +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> -// Copyright (C) 2008 Gael Guennebaud <g.gael@free.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_MAPBASE_H -#define EIGEN_MAPBASE_H - -/** \class MapBase - * - * \brief Base class for Map and Block expression with direct access - * - * Expression classes inheriting MapBase must define the constant \c PacketAccess, - * and type \c AlignedDerivedType in their respective ei_traits<> specialization structure. - * The value of \c PacketAccess can be either: - * - \b ForceAligned which enforces both aligned loads and stores - * - \b AsRequested which is the default behavior - * The type \c AlignedDerivedType should correspond to the equivalent expression type - * with \c PacketAccess being \c ForceAligned. - * - * \sa class Map, class Block - */ -template<typename Derived> class MapBase - : public MatrixBase<Derived> -{ - public: - - typedef MatrixBase<Derived> Base; - enum { - IsRowMajor = (int(ei_traits<Derived>::Flags) & RowMajorBit) ? 1 : 0, - PacketAccess = ei_traits<Derived>::PacketAccess, - RowsAtCompileTime = ei_traits<Derived>::RowsAtCompileTime, - ColsAtCompileTime = ei_traits<Derived>::ColsAtCompileTime, - SizeAtCompileTime = Base::SizeAtCompileTime - }; - - typedef typename ei_traits<Derived>::AlignedDerivedType AlignedDerivedType; - typedef typename ei_traits<Derived>::Scalar Scalar; - typedef typename Base::PacketScalar PacketScalar; - using Base::derived; - - inline int rows() const { return m_rows.value(); } - inline int cols() const { return m_cols.value(); } - - inline int stride() const { return derived().stride(); } - inline const Scalar* data() const { return m_data; } - - template<bool IsForceAligned,typename Dummy> struct force_aligned_impl { - AlignedDerivedType static run(MapBase& a) { return a.derived(); } - }; - - template<typename Dummy> struct force_aligned_impl<false,Dummy> { - AlignedDerivedType static run(MapBase& a) { return a.derived()._convertToForceAligned(); } - }; - - /** \returns an expression equivalent to \c *this but having the \c PacketAccess constant - * set to \c ForceAligned. Must be reimplemented by the derived class. */ - AlignedDerivedType forceAligned() - { - return force_aligned_impl<int(PacketAccess)==int(ForceAligned),Derived>::run(*this); - } - - inline const Scalar& coeff(int row, int col) const - { - if(IsRowMajor) - return m_data[col + row * stride()]; - else // column-major - return m_data[row + col * stride()]; - } - - inline Scalar& coeffRef(int row, int col) - { - if(IsRowMajor) - return const_cast<Scalar*>(m_data)[col + row * stride()]; - else // column-major - return const_cast<Scalar*>(m_data)[row + col * stride()]; - } - - inline const Scalar coeff(int index) const - { - ei_assert(Derived::IsVectorAtCompileTime || (ei_traits<Derived>::Flags & LinearAccessBit)); - if ( ((RowsAtCompileTime == 1) == IsRowMajor) ) - return m_data[index]; - else - return m_data[index*stride()]; - } - - inline Scalar& coeffRef(int index) - { - ei_assert(Derived::IsVectorAtCompileTime || (ei_traits<Derived>::Flags & LinearAccessBit)); - if ( ((RowsAtCompileTime == 1) == IsRowMajor) ) - return const_cast<Scalar*>(m_data)[index]; - else - return const_cast<Scalar*>(m_data)[index*stride()]; - } - - template<int LoadMode> - inline PacketScalar packet(int row, int col) const - { - return ei_ploadt<Scalar, int(PacketAccess) == ForceAligned ? Aligned : LoadMode> - (m_data + (IsRowMajor ? col + row * stride() - : row + col * stride())); - } - - template<int LoadMode> - inline PacketScalar packet(int index) const - { - return ei_ploadt<Scalar, int(PacketAccess) == ForceAligned ? Aligned : LoadMode>(m_data + index); - } - - template<int StoreMode> - inline void writePacket(int row, int col, const PacketScalar& x) - { - ei_pstoret<Scalar, PacketScalar, int(PacketAccess) == ForceAligned ? Aligned : StoreMode> - (const_cast<Scalar*>(m_data) + (IsRowMajor ? col + row * stride() - : row + col * stride()), x); - } - - template<int StoreMode> - inline void writePacket(int index, const PacketScalar& x) - { - ei_pstoret<Scalar, PacketScalar, int(PacketAccess) == ForceAligned ? Aligned : StoreMode> - (const_cast<Scalar*>(m_data) + index, x); - } - - inline MapBase(const Scalar* data) : m_data(data), m_rows(RowsAtCompileTime), m_cols(ColsAtCompileTime) - { - EIGEN_STATIC_ASSERT_FIXED_SIZE(Derived) - } - - inline MapBase(const Scalar* data, int size) - : m_data(data), - m_rows(RowsAtCompileTime == Dynamic ? size : RowsAtCompileTime), - m_cols(ColsAtCompileTime == Dynamic ? size : ColsAtCompileTime) - { - EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived) - ei_assert(size > 0 || data == 0); - ei_assert(SizeAtCompileTime == Dynamic || SizeAtCompileTime == size); - } - - inline MapBase(const Scalar* data, int rows, int cols) - : m_data(data), m_rows(rows), m_cols(cols) - { - ei_assert( (data == 0) - || ( rows > 0 && (RowsAtCompileTime == Dynamic || RowsAtCompileTime == rows) - && cols > 0 && (ColsAtCompileTime == Dynamic || ColsAtCompileTime == cols))); - } - - Derived& operator=(const MapBase& other) - { - return Base::operator=(other); - } - - template<typename OtherDerived> - Derived& operator=(const MatrixBase<OtherDerived>& other) - { - return Base::operator=(other); - } - - using Base::operator*=; - - template<typename OtherDerived> - Derived& operator+=(const MatrixBase<OtherDerived>& other) - { return derived() = forceAligned() + other; } - - template<typename OtherDerived> - Derived& operator-=(const MatrixBase<OtherDerived>& other) - { return derived() = forceAligned() - other; } - - Derived& operator*=(const Scalar& other) - { return derived() = forceAligned() * other; } - - Derived& operator/=(const Scalar& other) - { return derived() = forceAligned() / other; } - - protected: - const Scalar* EIGEN_RESTRICT m_data; - const ei_int_if_dynamic<RowsAtCompileTime> m_rows; - const ei_int_if_dynamic<ColsAtCompileTime> m_cols; -}; - -#endif // EIGEN_MAPBASE_H |