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author | Narayan Kamath <narayan@google.com> | 2012-11-02 10:59:05 +0000 |
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committer | Xiaotao Duan <xiaotao@google.com> | 2012-11-07 14:17:48 -0800 |
commit | c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd (patch) | |
tree | 54d1c7d66098154c1d7c5bd414394ef4cf255810 /Eigen/src/Core/Flagged.h | |
parent | 63f67d748682b46d58be31235a0a2d64d81b998c (diff) | |
download | eigen-c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd.tar.gz |
Initial import of eigen 3.1.1android-cts-4.4_r4android-cts-4.2_r2android-4.4_r1.2.0.1android-4.4_r1.2android-4.4_r1.1.0.1android-4.4_r1.1android-4.4_r1.0.1android-4.4_r1android-4.4_r0.9android-4.4_r0.8android-4.3_r2.3android-4.3_r2.2android-4.3_r2.1android-4.3_r2android-4.3_r1.1android-4.3_r1android-4.3_r0.9.1android-4.3_r0.9android-4.2.2_r1.2android-4.2.2_r1.1android-4.2.2_r1kitkat-releasekitkat-cts-releasejb-mr2.0-releasejb-mr2-releasejb-mr1.1-releasejb-mr1.1-dev
Added a README.android and a MODULE_LICENSE_MPL2 file.
Added empty Android.mk and CleanSpec.mk to optimize Android build.
Non MPL2 license code is disabled in ./Eigen/src/Core/util/NonMPL2.h.
Trying to include such files will lead to an error.
Change-Id: I0e148b7c3e83999bcc4dfaa5809d33bfac2aac32
Diffstat (limited to 'Eigen/src/Core/Flagged.h')
-rw-r--r-- | Eigen/src/Core/Flagged.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/Eigen/src/Core/Flagged.h b/Eigen/src/Core/Flagged.h new file mode 100644 index 000000000..1f2955fc1 --- /dev/null +++ b/Eigen/src/Core/Flagged.h @@ -0,0 +1,140 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com> +// +// This Source Code Form is subject to the terms of the Mozilla +// Public License v. 2.0. If a copy of the MPL was not distributed +// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. + +#ifndef EIGEN_FLAGGED_H +#define EIGEN_FLAGGED_H + +namespace Eigen { + +/** \class Flagged + * \ingroup Core_Module + * + * \brief Expression with modified flags + * + * \param ExpressionType the type of the object of which we are modifying the flags + * \param Added the flags added to the expression + * \param Removed the flags removed from the expression (has priority over Added). + * + * This class represents an expression whose flags have been modified. + * It is the return type of MatrixBase::flagged() + * and most of the time this is the only way it is used. + * + * \sa MatrixBase::flagged() + */ + +namespace internal { +template<typename ExpressionType, unsigned int Added, unsigned int Removed> +struct traits<Flagged<ExpressionType, Added, Removed> > : traits<ExpressionType> +{ + enum { Flags = (ExpressionType::Flags | Added) & ~Removed }; +}; +} + +template<typename ExpressionType, unsigned int Added, unsigned int Removed> class Flagged + : public MatrixBase<Flagged<ExpressionType, Added, Removed> > +{ + public: + + typedef MatrixBase<Flagged> Base; + + EIGEN_DENSE_PUBLIC_INTERFACE(Flagged) + typedef typename internal::conditional<internal::must_nest_by_value<ExpressionType>::ret, + ExpressionType, const ExpressionType&>::type ExpressionTypeNested; + typedef typename ExpressionType::InnerIterator InnerIterator; + + inline Flagged(const ExpressionType& matrix) : m_matrix(matrix) {} + + inline Index rows() const { return m_matrix.rows(); } + inline Index cols() const { return m_matrix.cols(); } + inline Index outerStride() const { return m_matrix.outerStride(); } + inline Index innerStride() const { return m_matrix.innerStride(); } + + inline CoeffReturnType coeff(Index row, Index col) const + { + return m_matrix.coeff(row, col); + } + + inline CoeffReturnType coeff(Index index) const + { + return m_matrix.coeff(index); + } + + inline const Scalar& coeffRef(Index row, Index col) const + { + return m_matrix.const_cast_derived().coeffRef(row, col); + } + + inline const Scalar& coeffRef(Index index) const + { + return m_matrix.const_cast_derived().coeffRef(index); + } + + inline Scalar& coeffRef(Index row, Index col) + { + return m_matrix.const_cast_derived().coeffRef(row, col); + } + + inline Scalar& coeffRef(Index index) + { + return m_matrix.const_cast_derived().coeffRef(index); + } + + template<int LoadMode> + inline const PacketScalar packet(Index row, Index col) const + { + return m_matrix.template packet<LoadMode>(row, col); + } + + template<int LoadMode> + inline void writePacket(Index row, Index col, const PacketScalar& x) + { + m_matrix.const_cast_derived().template writePacket<LoadMode>(row, col, x); + } + + template<int LoadMode> + inline const PacketScalar packet(Index index) const + { + return m_matrix.template packet<LoadMode>(index); + } + + template<int LoadMode> + inline void writePacket(Index index, const PacketScalar& x) + { + m_matrix.const_cast_derived().template writePacket<LoadMode>(index, x); + } + + const ExpressionType& _expression() const { return m_matrix; } + + template<typename OtherDerived> + typename ExpressionType::PlainObject solveTriangular(const MatrixBase<OtherDerived>& other) const; + + template<typename OtherDerived> + void solveTriangularInPlace(const MatrixBase<OtherDerived>& other) const; + + protected: + ExpressionTypeNested m_matrix; +}; + +/** \returns an expression of *this with added and removed flags + * + * This is mostly for internal use. + * + * \sa class Flagged + */ +template<typename Derived> +template<unsigned int Added,unsigned int Removed> +inline const Flagged<Derived, Added, Removed> +DenseBase<Derived>::flagged() const +{ + return derived(); +} + +} // end namespace Eigen + +#endif // EIGEN_FLAGGED_H |