12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037 |
- // This file is part of Eigen, a lightweight C++ template library
- // for linear algebra.
- //
- // Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr>
- // Copyright (C) 2006-2008 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_DENSESTORAGEBASE_H
- #define EIGEN_DENSESTORAGEBASE_H
- #if defined(EIGEN_INITIALIZE_MATRICES_BY_ZERO)
- # define EIGEN_INITIALIZE_COEFFS
- # define EIGEN_INITIALIZE_COEFFS_IF_THAT_OPTION_IS_ENABLED for(int i=0;i<base().size();++i) coeffRef(i)=Scalar(0);
- #elif defined(EIGEN_INITIALIZE_MATRICES_BY_NAN)
- # define EIGEN_INITIALIZE_COEFFS
- # define EIGEN_INITIALIZE_COEFFS_IF_THAT_OPTION_IS_ENABLED for(int i=0;i<base().size();++i) coeffRef(i)=std::numeric_limits<Scalar>::quiet_NaN();
- #else
- # undef EIGEN_INITIALIZE_COEFFS
- # define EIGEN_INITIALIZE_COEFFS_IF_THAT_OPTION_IS_ENABLED
- #endif
- namespace Eigen {
- namespace internal {
- template<int MaxSizeAtCompileTime> struct check_rows_cols_for_overflow {
- template<typename Index>
- EIGEN_DEVICE_FUNC
- static EIGEN_ALWAYS_INLINE void run(Index, Index)
- {
- }
- };
- template<> struct check_rows_cols_for_overflow<Dynamic> {
- template<typename Index>
- EIGEN_DEVICE_FUNC
- static EIGEN_ALWAYS_INLINE void run(Index rows, Index cols)
- {
- // http://hg.mozilla.org/mozilla-central/file/6c8a909977d3/xpcom/ds/CheckedInt.h#l242
- // we assume Index is signed
- Index max_index = (std::size_t(1) << (8 * sizeof(Index) - 1)) - 1; // assume Index is signed
- bool error = (rows == 0 || cols == 0) ? false
- : (rows > max_index / cols);
- if (error)
- throw_std_bad_alloc();
- }
- };
- template <typename Derived,
- typename OtherDerived = Derived,
- bool IsVector = bool(Derived::IsVectorAtCompileTime) && bool(OtherDerived::IsVectorAtCompileTime)>
- struct conservative_resize_like_impl;
- template<typename MatrixTypeA, typename MatrixTypeB, bool SwapPointers> struct matrix_swap_impl;
- } // end namespace internal
- #ifdef EIGEN_PARSED_BY_DOXYGEN
- namespace doxygen {
- // This is a workaround to doxygen not being able to understand the inheritance logic
- // when it is hidden by the dense_xpr_base helper struct.
- // Moreover, doxygen fails to include members that are not documented in the declaration body of
- // MatrixBase if we inherits MatrixBase<Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols> >,
- // this is why we simply inherits MatrixBase, though this does not make sense.
- /** This class is just a workaround for Doxygen and it does not not actually exist. */
- template<typename Derived> struct dense_xpr_base_dispatcher;
- /** This class is just a workaround for Doxygen and it does not not actually exist. */
- template<typename _Scalar, int _Rows, int _Cols, int _Options, int _MaxRows, int _MaxCols>
- struct dense_xpr_base_dispatcher<Matrix<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols> >
- : public MatrixBase {};
- /** This class is just a workaround for Doxygen and it does not not actually exist. */
- template<typename _Scalar, int _Rows, int _Cols, int _Options, int _MaxRows, int _MaxCols>
- struct dense_xpr_base_dispatcher<Array<_Scalar, _Rows, _Cols, _Options, _MaxRows, _MaxCols> >
- : public ArrayBase {};
- } // namespace doxygen
- /** \class PlainObjectBase
- * \ingroup Core_Module
- * \brief %Dense storage base class for matrices and arrays.
- *
- * This class can be extended with the help of the plugin mechanism described on the page
- * \ref TopicCustomizing_Plugins by defining the preprocessor symbol \c EIGEN_PLAINOBJECTBASE_PLUGIN.
- *
- * \tparam Derived is the derived type, e.g., a Matrix or Array
- *
- * \sa \ref TopicClassHierarchy
- */
- template<typename Derived>
- class PlainObjectBase : public doxygen::dense_xpr_base_dispatcher<Derived>
- #else
- template<typename Derived>
- class PlainObjectBase : public internal::dense_xpr_base<Derived>::type
- #endif
- {
- public:
- enum { Options = internal::traits<Derived>::Options };
- typedef typename internal::dense_xpr_base<Derived>::type Base;
- typedef typename internal::traits<Derived>::StorageKind StorageKind;
- typedef typename internal::traits<Derived>::Scalar Scalar;
-
- typedef typename internal::packet_traits<Scalar>::type PacketScalar;
- typedef typename NumTraits<Scalar>::Real RealScalar;
- typedef Derived DenseType;
- using Base::RowsAtCompileTime;
- using Base::ColsAtCompileTime;
- using Base::SizeAtCompileTime;
- using Base::MaxRowsAtCompileTime;
- using Base::MaxColsAtCompileTime;
- using Base::MaxSizeAtCompileTime;
- using Base::IsVectorAtCompileTime;
- using Base::Flags;
- template<typename PlainObjectType, int MapOptions, typename StrideType> friend class Eigen::Map;
- friend class Eigen::Map<Derived, Unaligned>;
- typedef Eigen::Map<Derived, Unaligned> MapType;
- friend class Eigen::Map<const Derived, Unaligned>;
- typedef const Eigen::Map<const Derived, Unaligned> ConstMapType;
- #if EIGEN_MAX_ALIGN_BYTES>0
- // for EIGEN_MAX_ALIGN_BYTES==0, AlignedMax==Unaligned, and many compilers generate warnings for friend-ing a class twice.
- friend class Eigen::Map<Derived, AlignedMax>;
- friend class Eigen::Map<const Derived, AlignedMax>;
- #endif
- typedef Eigen::Map<Derived, AlignedMax> AlignedMapType;
- typedef const Eigen::Map<const Derived, AlignedMax> ConstAlignedMapType;
- template<typename StrideType> struct StridedMapType { typedef Eigen::Map<Derived, Unaligned, StrideType> type; };
- template<typename StrideType> struct StridedConstMapType { typedef Eigen::Map<const Derived, Unaligned, StrideType> type; };
- template<typename StrideType> struct StridedAlignedMapType { typedef Eigen::Map<Derived, AlignedMax, StrideType> type; };
- template<typename StrideType> struct StridedConstAlignedMapType { typedef Eigen::Map<const Derived, AlignedMax, StrideType> type; };
- protected:
- DenseStorage<Scalar, Base::MaxSizeAtCompileTime, Base::RowsAtCompileTime, Base::ColsAtCompileTime, Options> m_storage;
- public:
- enum { NeedsToAlign = (SizeAtCompileTime != Dynamic) && (internal::traits<Derived>::Alignment>0) };
- EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(NeedsToAlign)
- EIGEN_DEVICE_FUNC
- Base& base() { return *static_cast<Base*>(this); }
- EIGEN_DEVICE_FUNC
- const Base& base() const { return *static_cast<const Base*>(this); }
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Index rows() const { return m_storage.rows(); }
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Index cols() const { return m_storage.cols(); }
- /** This is an overloaded version of DenseCoeffsBase<Derived,ReadOnlyAccessors>::coeff(Index,Index) const
- * provided to by-pass the creation of an evaluator of the expression, thus saving compilation efforts.
- *
- * See DenseCoeffsBase<Derived,ReadOnlyAccessors>::coeff(Index) const for details. */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE const Scalar& coeff(Index rowId, Index colId) const
- {
- if(Flags & RowMajorBit)
- return m_storage.data()[colId + rowId * m_storage.cols()];
- else // column-major
- return m_storage.data()[rowId + colId * m_storage.rows()];
- }
- /** This is an overloaded version of DenseCoeffsBase<Derived,ReadOnlyAccessors>::coeff(Index) const
- * provided to by-pass the creation of an evaluator of the expression, thus saving compilation efforts.
- *
- * See DenseCoeffsBase<Derived,ReadOnlyAccessors>::coeff(Index) const for details. */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE const Scalar& coeff(Index index) const
- {
- return m_storage.data()[index];
- }
- /** This is an overloaded version of DenseCoeffsBase<Derived,WriteAccessors>::coeffRef(Index,Index) const
- * provided to by-pass the creation of an evaluator of the expression, thus saving compilation efforts.
- *
- * See DenseCoeffsBase<Derived,WriteAccessors>::coeffRef(Index,Index) const for details. */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Scalar& coeffRef(Index rowId, Index colId)
- {
- if(Flags & RowMajorBit)
- return m_storage.data()[colId + rowId * m_storage.cols()];
- else // column-major
- return m_storage.data()[rowId + colId * m_storage.rows()];
- }
- /** This is an overloaded version of DenseCoeffsBase<Derived,WriteAccessors>::coeffRef(Index) const
- * provided to by-pass the creation of an evaluator of the expression, thus saving compilation efforts.
- *
- * See DenseCoeffsBase<Derived,WriteAccessors>::coeffRef(Index) const for details. */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Scalar& coeffRef(Index index)
- {
- return m_storage.data()[index];
- }
- /** This is the const version of coeffRef(Index,Index) which is thus synonym of coeff(Index,Index).
- * It is provided for convenience. */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE const Scalar& coeffRef(Index rowId, Index colId) const
- {
- if(Flags & RowMajorBit)
- return m_storage.data()[colId + rowId * m_storage.cols()];
- else // column-major
- return m_storage.data()[rowId + colId * m_storage.rows()];
- }
- /** This is the const version of coeffRef(Index) which is thus synonym of coeff(Index).
- * It is provided for convenience. */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE const Scalar& coeffRef(Index index) const
- {
- return m_storage.data()[index];
- }
- /** \internal */
- template<int LoadMode>
- EIGEN_STRONG_INLINE PacketScalar packet(Index rowId, Index colId) const
- {
- return internal::ploadt<PacketScalar, LoadMode>
- (m_storage.data() + (Flags & RowMajorBit
- ? colId + rowId * m_storage.cols()
- : rowId + colId * m_storage.rows()));
- }
- /** \internal */
- template<int LoadMode>
- EIGEN_STRONG_INLINE PacketScalar packet(Index index) const
- {
- return internal::ploadt<PacketScalar, LoadMode>(m_storage.data() + index);
- }
- /** \internal */
- template<int StoreMode>
- EIGEN_STRONG_INLINE void writePacket(Index rowId, Index colId, const PacketScalar& val)
- {
- internal::pstoret<Scalar, PacketScalar, StoreMode>
- (m_storage.data() + (Flags & RowMajorBit
- ? colId + rowId * m_storage.cols()
- : rowId + colId * m_storage.rows()), val);
- }
- /** \internal */
- template<int StoreMode>
- EIGEN_STRONG_INLINE void writePacket(Index index, const PacketScalar& val)
- {
- internal::pstoret<Scalar, PacketScalar, StoreMode>(m_storage.data() + index, val);
- }
- /** \returns a const pointer to the data array of this matrix */
- EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE const Scalar *data() const
- { return m_storage.data(); }
- /** \returns a pointer to the data array of this matrix */
- EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Scalar *data()
- { return m_storage.data(); }
- /** Resizes \c *this to a \a rows x \a cols matrix.
- *
- * This method is intended for dynamic-size matrices, although it is legal to call it on any
- * matrix as long as fixed dimensions are left unchanged. If you only want to change the number
- * of rows and/or of columns, you can use resize(NoChange_t, Index), resize(Index, NoChange_t).
- *
- * If the current number of coefficients of \c *this exactly matches the
- * product \a rows * \a cols, then no memory allocation is performed and
- * the current values are left unchanged. In all other cases, including
- * shrinking, the data is reallocated and all previous values are lost.
- *
- * Example: \include Matrix_resize_int_int.cpp
- * Output: \verbinclude Matrix_resize_int_int.out
- *
- * \sa resize(Index) for vectors, resize(NoChange_t, Index), resize(Index, NoChange_t)
- */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void resize(Index rows, Index cols)
- {
- eigen_assert( EIGEN_IMPLIES(RowsAtCompileTime!=Dynamic,rows==RowsAtCompileTime)
- && EIGEN_IMPLIES(ColsAtCompileTime!=Dynamic,cols==ColsAtCompileTime)
- && EIGEN_IMPLIES(RowsAtCompileTime==Dynamic && MaxRowsAtCompileTime!=Dynamic,rows<=MaxRowsAtCompileTime)
- && EIGEN_IMPLIES(ColsAtCompileTime==Dynamic && MaxColsAtCompileTime!=Dynamic,cols<=MaxColsAtCompileTime)
- && rows>=0 && cols>=0 && "Invalid sizes when resizing a matrix or array.");
- internal::check_rows_cols_for_overflow<MaxSizeAtCompileTime>::run(rows, cols);
- #ifdef EIGEN_INITIALIZE_COEFFS
- Index size = rows*cols;
- bool size_changed = size != this->size();
- m_storage.resize(size, rows, cols);
- if(size_changed) EIGEN_INITIALIZE_COEFFS_IF_THAT_OPTION_IS_ENABLED
- #else
- m_storage.resize(rows*cols, rows, cols);
- #endif
- }
- /** Resizes \c *this to a vector of length \a size
- *
- * \only_for_vectors. This method does not work for
- * partially dynamic matrices when the static dimension is anything other
- * than 1. For example it will not work with Matrix<double, 2, Dynamic>.
- *
- * Example: \include Matrix_resize_int.cpp
- * Output: \verbinclude Matrix_resize_int.out
- *
- * \sa resize(Index,Index), resize(NoChange_t, Index), resize(Index, NoChange_t)
- */
- EIGEN_DEVICE_FUNC
- inline void resize(Index size)
- {
- EIGEN_STATIC_ASSERT_VECTOR_ONLY(PlainObjectBase)
- eigen_assert(((SizeAtCompileTime == Dynamic && (MaxSizeAtCompileTime==Dynamic || size<=MaxSizeAtCompileTime)) || SizeAtCompileTime == size) && size>=0);
- #ifdef EIGEN_INITIALIZE_COEFFS
- bool size_changed = size != this->size();
- #endif
- if(RowsAtCompileTime == 1)
- m_storage.resize(size, 1, size);
- else
- m_storage.resize(size, size, 1);
- #ifdef EIGEN_INITIALIZE_COEFFS
- if(size_changed) EIGEN_INITIALIZE_COEFFS_IF_THAT_OPTION_IS_ENABLED
- #endif
- }
- /** Resizes the matrix, changing only the number of columns. For the parameter of type NoChange_t, just pass the special value \c NoChange
- * as in the example below.
- *
- * Example: \include Matrix_resize_NoChange_int.cpp
- * Output: \verbinclude Matrix_resize_NoChange_int.out
- *
- * \sa resize(Index,Index)
- */
- EIGEN_DEVICE_FUNC
- inline void resize(NoChange_t, Index cols)
- {
- resize(rows(), cols);
- }
- /** Resizes the matrix, changing only the number of rows. For the parameter of type NoChange_t, just pass the special value \c NoChange
- * as in the example below.
- *
- * Example: \include Matrix_resize_int_NoChange.cpp
- * Output: \verbinclude Matrix_resize_int_NoChange.out
- *
- * \sa resize(Index,Index)
- */
- EIGEN_DEVICE_FUNC
- inline void resize(Index rows, NoChange_t)
- {
- resize(rows, cols());
- }
- /** Resizes \c *this to have the same dimensions as \a other.
- * Takes care of doing all the checking that's needed.
- *
- * Note that copying a row-vector into a vector (and conversely) is allowed.
- * The resizing, if any, is then done in the appropriate way so that row-vectors
- * remain row-vectors and vectors remain vectors.
- */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void resizeLike(const EigenBase<OtherDerived>& _other)
- {
- const OtherDerived& other = _other.derived();
- internal::check_rows_cols_for_overflow<MaxSizeAtCompileTime>::run(other.rows(), other.cols());
- const Index othersize = other.rows()*other.cols();
- if(RowsAtCompileTime == 1)
- {
- eigen_assert(other.rows() == 1 || other.cols() == 1);
- resize(1, othersize);
- }
- else if(ColsAtCompileTime == 1)
- {
- eigen_assert(other.rows() == 1 || other.cols() == 1);
- resize(othersize, 1);
- }
- else resize(other.rows(), other.cols());
- }
- /** Resizes the matrix to \a rows x \a cols while leaving old values untouched.
- *
- * The method is intended for matrices of dynamic size. If you only want to change the number
- * of rows and/or of columns, you can use conservativeResize(NoChange_t, Index) or
- * conservativeResize(Index, NoChange_t).
- *
- * Matrices are resized relative to the top-left element. In case values need to be
- * appended to the matrix they will be uninitialized.
- */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void conservativeResize(Index rows, Index cols)
- {
- internal::conservative_resize_like_impl<Derived>::run(*this, rows, cols);
- }
- /** Resizes the matrix to \a rows x \a cols while leaving old values untouched.
- *
- * As opposed to conservativeResize(Index rows, Index cols), this version leaves
- * the number of columns unchanged.
- *
- * In case the matrix is growing, new rows will be uninitialized.
- */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void conservativeResize(Index rows, NoChange_t)
- {
- // Note: see the comment in conservativeResize(Index,Index)
- conservativeResize(rows, cols());
- }
- /** Resizes the matrix to \a rows x \a cols while leaving old values untouched.
- *
- * As opposed to conservativeResize(Index rows, Index cols), this version leaves
- * the number of rows unchanged.
- *
- * In case the matrix is growing, new columns will be uninitialized.
- */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void conservativeResize(NoChange_t, Index cols)
- {
- // Note: see the comment in conservativeResize(Index,Index)
- conservativeResize(rows(), cols);
- }
- /** Resizes the vector to \a size while retaining old values.
- *
- * \only_for_vectors. This method does not work for
- * partially dynamic matrices when the static dimension is anything other
- * than 1. For example it will not work with Matrix<double, 2, Dynamic>.
- *
- * When values are appended, they will be uninitialized.
- */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void conservativeResize(Index size)
- {
- internal::conservative_resize_like_impl<Derived>::run(*this, size);
- }
- /** Resizes the matrix to \a rows x \a cols of \c other, while leaving old values untouched.
- *
- * The method is intended for matrices of dynamic size. If you only want to change the number
- * of rows and/or of columns, you can use conservativeResize(NoChange_t, Index) or
- * conservativeResize(Index, NoChange_t).
- *
- * Matrices are resized relative to the top-left element. In case values need to be
- * appended to the matrix they will copied from \c other.
- */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void conservativeResizeLike(const DenseBase<OtherDerived>& other)
- {
- internal::conservative_resize_like_impl<Derived,OtherDerived>::run(*this, other);
- }
- /** This is a special case of the templated operator=. Its purpose is to
- * prevent a default operator= from hiding the templated operator=.
- */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Derived& operator=(const PlainObjectBase& other)
- {
- return _set(other);
- }
- /** \sa MatrixBase::lazyAssign() */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Derived& lazyAssign(const DenseBase<OtherDerived>& other)
- {
- _resize_to_match(other);
- return Base::lazyAssign(other.derived());
- }
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Derived& operator=(const ReturnByValue<OtherDerived>& func)
- {
- resize(func.rows(), func.cols());
- return Base::operator=(func);
- }
- // Prevent user from trying to instantiate PlainObjectBase objects
- // by making all its constructor protected. See bug 1074.
- protected:
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE PlainObjectBase() : m_storage()
- {
- // _check_template_params();
- // EIGEN_INITIALIZE_COEFFS_IF_THAT_OPTION_IS_ENABLED
- }
- #ifndef EIGEN_PARSED_BY_DOXYGEN
- // FIXME is it still needed ?
- /** \internal */
- EIGEN_DEVICE_FUNC
- explicit PlainObjectBase(internal::constructor_without_unaligned_array_assert)
- : m_storage(internal::constructor_without_unaligned_array_assert())
- {
- // _check_template_params(); EIGEN_INITIALIZE_COEFFS_IF_THAT_OPTION_IS_ENABLED
- }
- #endif
- #if EIGEN_HAS_RVALUE_REFERENCES
- EIGEN_DEVICE_FUNC
- PlainObjectBase(PlainObjectBase&& other) EIGEN_NOEXCEPT
- : m_storage( std::move(other.m_storage) )
- {
- }
- EIGEN_DEVICE_FUNC
- PlainObjectBase& operator=(PlainObjectBase&& other) EIGEN_NOEXCEPT
- {
- using std::swap;
- swap(m_storage, other.m_storage);
- return *this;
- }
- #endif
- /** Copy constructor */
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE PlainObjectBase(const PlainObjectBase& other)
- : Base(), m_storage(other.m_storage) { }
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE PlainObjectBase(Index size, Index rows, Index cols)
- : m_storage(size, rows, cols)
- {
- // _check_template_params();
- // EIGEN_INITIALIZE_COEFFS_IF_THAT_OPTION_IS_ENABLED
- }
- /** \sa PlainObjectBase::operator=(const EigenBase<OtherDerived>&) */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE PlainObjectBase(const DenseBase<OtherDerived> &other)
- : m_storage()
- {
- _check_template_params();
- resizeLike(other);
- _set_noalias(other);
- }
- /** \sa PlainObjectBase::operator=(const EigenBase<OtherDerived>&) */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE PlainObjectBase(const EigenBase<OtherDerived> &other)
- : m_storage()
- {
- _check_template_params();
- resizeLike(other);
- *this = other.derived();
- }
- /** \brief Copy constructor with in-place evaluation */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE PlainObjectBase(const ReturnByValue<OtherDerived>& other)
- {
- _check_template_params();
- // FIXME this does not automatically transpose vectors if necessary
- resize(other.rows(), other.cols());
- other.evalTo(this->derived());
- }
- public:
- /** \brief Copies the generic expression \a other into *this.
- * \copydetails DenseBase::operator=(const EigenBase<OtherDerived> &other)
- */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Derived& operator=(const EigenBase<OtherDerived> &other)
- {
- _resize_to_match(other);
- Base::operator=(other.derived());
- return this->derived();
- }
- /** \name Map
- * These are convenience functions returning Map objects. The Map() static functions return unaligned Map objects,
- * while the AlignedMap() functions return aligned Map objects and thus should be called only with 16-byte-aligned
- * \a data pointers.
- *
- * Here is an example using strides:
- * \include Matrix_Map_stride.cpp
- * Output: \verbinclude Matrix_Map_stride.out
- *
- * \see class Map
- */
- //@{
- static inline ConstMapType Map(const Scalar* data)
- { return ConstMapType(data); }
- static inline MapType Map(Scalar* data)
- { return MapType(data); }
- static inline ConstMapType Map(const Scalar* data, Index size)
- { return ConstMapType(data, size); }
- static inline MapType Map(Scalar* data, Index size)
- { return MapType(data, size); }
- static inline ConstMapType Map(const Scalar* data, Index rows, Index cols)
- { return ConstMapType(data, rows, cols); }
- static inline MapType Map(Scalar* data, Index rows, Index cols)
- { return MapType(data, rows, cols); }
- static inline ConstAlignedMapType MapAligned(const Scalar* data)
- { return ConstAlignedMapType(data); }
- static inline AlignedMapType MapAligned(Scalar* data)
- { return AlignedMapType(data); }
- static inline ConstAlignedMapType MapAligned(const Scalar* data, Index size)
- { return ConstAlignedMapType(data, size); }
- static inline AlignedMapType MapAligned(Scalar* data, Index size)
- { return AlignedMapType(data, size); }
- static inline ConstAlignedMapType MapAligned(const Scalar* data, Index rows, Index cols)
- { return ConstAlignedMapType(data, rows, cols); }
- static inline AlignedMapType MapAligned(Scalar* data, Index rows, Index cols)
- { return AlignedMapType(data, rows, cols); }
- template<int Outer, int Inner>
- static inline typename StridedConstMapType<Stride<Outer, Inner> >::type Map(const Scalar* data, const Stride<Outer, Inner>& stride)
- { return typename StridedConstMapType<Stride<Outer, Inner> >::type(data, stride); }
- template<int Outer, int Inner>
- static inline typename StridedMapType<Stride<Outer, Inner> >::type Map(Scalar* data, const Stride<Outer, Inner>& stride)
- { return typename StridedMapType<Stride<Outer, Inner> >::type(data, stride); }
- template<int Outer, int Inner>
- static inline typename StridedConstMapType<Stride<Outer, Inner> >::type Map(const Scalar* data, Index size, const Stride<Outer, Inner>& stride)
- { return typename StridedConstMapType<Stride<Outer, Inner> >::type(data, size, stride); }
- template<int Outer, int Inner>
- static inline typename StridedMapType<Stride<Outer, Inner> >::type Map(Scalar* data, Index size, const Stride<Outer, Inner>& stride)
- { return typename StridedMapType<Stride<Outer, Inner> >::type(data, size, stride); }
- template<int Outer, int Inner>
- static inline typename StridedConstMapType<Stride<Outer, Inner> >::type Map(const Scalar* data, Index rows, Index cols, const Stride<Outer, Inner>& stride)
- { return typename StridedConstMapType<Stride<Outer, Inner> >::type(data, rows, cols, stride); }
- template<int Outer, int Inner>
- static inline typename StridedMapType<Stride<Outer, Inner> >::type Map(Scalar* data, Index rows, Index cols, const Stride<Outer, Inner>& stride)
- { return typename StridedMapType<Stride<Outer, Inner> >::type(data, rows, cols, stride); }
- template<int Outer, int Inner>
- static inline typename StridedConstAlignedMapType<Stride<Outer, Inner> >::type MapAligned(const Scalar* data, const Stride<Outer, Inner>& stride)
- { return typename StridedConstAlignedMapType<Stride<Outer, Inner> >::type(data, stride); }
- template<int Outer, int Inner>
- static inline typename StridedAlignedMapType<Stride<Outer, Inner> >::type MapAligned(Scalar* data, const Stride<Outer, Inner>& stride)
- { return typename StridedAlignedMapType<Stride<Outer, Inner> >::type(data, stride); }
- template<int Outer, int Inner>
- static inline typename StridedConstAlignedMapType<Stride<Outer, Inner> >::type MapAligned(const Scalar* data, Index size, const Stride<Outer, Inner>& stride)
- { return typename StridedConstAlignedMapType<Stride<Outer, Inner> >::type(data, size, stride); }
- template<int Outer, int Inner>
- static inline typename StridedAlignedMapType<Stride<Outer, Inner> >::type MapAligned(Scalar* data, Index size, const Stride<Outer, Inner>& stride)
- { return typename StridedAlignedMapType<Stride<Outer, Inner> >::type(data, size, stride); }
- template<int Outer, int Inner>
- static inline typename StridedConstAlignedMapType<Stride<Outer, Inner> >::type MapAligned(const Scalar* data, Index rows, Index cols, const Stride<Outer, Inner>& stride)
- { return typename StridedConstAlignedMapType<Stride<Outer, Inner> >::type(data, rows, cols, stride); }
- template<int Outer, int Inner>
- static inline typename StridedAlignedMapType<Stride<Outer, Inner> >::type MapAligned(Scalar* data, Index rows, Index cols, const Stride<Outer, Inner>& stride)
- { return typename StridedAlignedMapType<Stride<Outer, Inner> >::type(data, rows, cols, stride); }
- //@}
- using Base::setConstant;
- EIGEN_DEVICE_FUNC Derived& setConstant(Index size, const Scalar& val);
- EIGEN_DEVICE_FUNC Derived& setConstant(Index rows, Index cols, const Scalar& val);
- using Base::setZero;
- EIGEN_DEVICE_FUNC Derived& setZero(Index size);
- EIGEN_DEVICE_FUNC Derived& setZero(Index rows, Index cols);
- using Base::setOnes;
- EIGEN_DEVICE_FUNC Derived& setOnes(Index size);
- EIGEN_DEVICE_FUNC Derived& setOnes(Index rows, Index cols);
- using Base::setRandom;
- Derived& setRandom(Index size);
- Derived& setRandom(Index rows, Index cols);
- #ifdef EIGEN_PLAINOBJECTBASE_PLUGIN
- #include EIGEN_PLAINOBJECTBASE_PLUGIN
- #endif
- protected:
- /** \internal Resizes *this in preparation for assigning \a other to it.
- * Takes care of doing all the checking that's needed.
- *
- * Note that copying a row-vector into a vector (and conversely) is allowed.
- * The resizing, if any, is then done in the appropriate way so that row-vectors
- * remain row-vectors and vectors remain vectors.
- */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _resize_to_match(const EigenBase<OtherDerived>& other)
- {
- #ifdef EIGEN_NO_AUTOMATIC_RESIZING
- eigen_assert((this->size()==0 || (IsVectorAtCompileTime ? (this->size() == other.size())
- : (rows() == other.rows() && cols() == other.cols())))
- && "Size mismatch. Automatic resizing is disabled because EIGEN_NO_AUTOMATIC_RESIZING is defined");
- EIGEN_ONLY_USED_FOR_DEBUG(other);
- #else
- resizeLike(other);
- #endif
- }
- /**
- * \brief Copies the value of the expression \a other into \c *this with automatic resizing.
- *
- * *this might be resized to match the dimensions of \a other. If *this was a null matrix (not already initialized),
- * it will be initialized.
- *
- * Note that copying a row-vector into a vector (and conversely) is allowed.
- * The resizing, if any, is then done in the appropriate way so that row-vectors
- * remain row-vectors and vectors remain vectors.
- *
- * \sa operator=(const MatrixBase<OtherDerived>&), _set_noalias()
- *
- * \internal
- */
- // aliasing is dealt once in internall::call_assignment
- // so at this stage we have to assume aliasing... and resising has to be done later.
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Derived& _set(const DenseBase<OtherDerived>& other)
- {
- internal::call_assignment(this->derived(), other.derived());
- return this->derived();
- }
- /** \internal Like _set() but additionally makes the assumption that no aliasing effect can happen (which
- * is the case when creating a new matrix) so one can enforce lazy evaluation.
- *
- * \sa operator=(const MatrixBase<OtherDerived>&), _set()
- */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE Derived& _set_noalias(const DenseBase<OtherDerived>& other)
- {
- // I don't think we need this resize call since the lazyAssign will anyways resize
- // and lazyAssign will be called by the assign selector.
- //_resize_to_match(other);
- // the 'false' below means to enforce lazy evaluation. We don't use lazyAssign() because
- // it wouldn't allow to copy a row-vector into a column-vector.
- internal::call_assignment_no_alias(this->derived(), other.derived(), internal::assign_op<Scalar,typename OtherDerived::Scalar>());
- return this->derived();
- }
- template<typename T0, typename T1>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init2(Index rows, Index cols, typename internal::enable_if<Base::SizeAtCompileTime!=2,T0>::type* = 0)
- {
- const bool t0_is_integer_alike = internal::is_valid_index_type<T0>::value;
- const bool t1_is_integer_alike = internal::is_valid_index_type<T1>::value;
- EIGEN_STATIC_ASSERT(t0_is_integer_alike &&
- t1_is_integer_alike,
- FLOATING_POINT_ARGUMENT_PASSED__INTEGER_WAS_EXPECTED)
- resize(rows,cols);
- }
-
- template<typename T0, typename T1>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init2(const T0& val0, const T1& val1, typename internal::enable_if<Base::SizeAtCompileTime==2,T0>::type* = 0)
- {
- EIGEN_STATIC_ASSERT_VECTOR_SPECIFIC_SIZE(PlainObjectBase, 2)
- m_storage.data()[0] = Scalar(val0);
- m_storage.data()[1] = Scalar(val1);
- }
-
- template<typename T0, typename T1>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init2(const Index& val0, const Index& val1,
- typename internal::enable_if< (!internal::is_same<Index,Scalar>::value)
- && (internal::is_same<T0,Index>::value)
- && (internal::is_same<T1,Index>::value)
- && Base::SizeAtCompileTime==2,T1>::type* = 0)
- {
- EIGEN_STATIC_ASSERT_VECTOR_SPECIFIC_SIZE(PlainObjectBase, 2)
- m_storage.data()[0] = Scalar(val0);
- m_storage.data()[1] = Scalar(val1);
- }
- // The argument is convertible to the Index type and we either have a non 1x1 Matrix, or a dynamic-sized Array,
- // then the argument is meant to be the size of the object.
- template<typename T>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(Index size, typename internal::enable_if< (Base::SizeAtCompileTime!=1 || !internal::is_convertible<T, Scalar>::value)
- && ((!internal::is_same<typename internal::traits<Derived>::XprKind,ArrayXpr>::value || Base::SizeAtCompileTime==Dynamic)),T>::type* = 0)
- {
- // NOTE MSVC 2008 complains if we directly put bool(NumTraits<T>::IsInteger) as the EIGEN_STATIC_ASSERT argument.
- const bool is_integer_alike = internal::is_valid_index_type<T>::value;
- EIGEN_UNUSED_VARIABLE(is_integer_alike);
- EIGEN_STATIC_ASSERT(is_integer_alike,
- FLOATING_POINT_ARGUMENT_PASSED__INTEGER_WAS_EXPECTED)
- resize(size);
- }
-
- // We have a 1x1 matrix/array => the argument is interpreted as the value of the unique coefficient (case where scalar type can be implicitely converted)
- template<typename T>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const Scalar& val0, typename internal::enable_if<Base::SizeAtCompileTime==1 && internal::is_convertible<T, Scalar>::value,T>::type* = 0)
- {
- EIGEN_STATIC_ASSERT_VECTOR_SPECIFIC_SIZE(PlainObjectBase, 1)
- m_storage.data()[0] = val0;
- }
-
- // We have a 1x1 matrix/array => the argument is interpreted as the value of the unique coefficient (case where scalar type match the index type)
- template<typename T>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const Index& val0,
- typename internal::enable_if< (!internal::is_same<Index,Scalar>::value)
- && (internal::is_same<Index,T>::value)
- && Base::SizeAtCompileTime==1
- && internal::is_convertible<T, Scalar>::value,T*>::type* = 0)
- {
- EIGEN_STATIC_ASSERT_VECTOR_SPECIFIC_SIZE(PlainObjectBase, 1)
- m_storage.data()[0] = Scalar(val0);
- }
- // Initialize a fixed size matrix from a pointer to raw data
- template<typename T>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const Scalar* data){
- this->_set_noalias(ConstMapType(data));
- }
- // Initialize an arbitrary matrix from a dense expression
- template<typename T, typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const DenseBase<OtherDerived>& other){
- this->_set_noalias(other);
- }
- // Initialize an arbitrary matrix from an object convertible to the Derived type.
- template<typename T>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const Derived& other){
- this->_set_noalias(other);
- }
- // Initialize an arbitrary matrix from a generic Eigen expression
- template<typename T, typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const EigenBase<OtherDerived>& other){
- this->derived() = other;
- }
- template<typename T, typename OtherDerived>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const ReturnByValue<OtherDerived>& other)
- {
- resize(other.rows(), other.cols());
- other.evalTo(this->derived());
- }
- template<typename T, typename OtherDerived, int ColsAtCompileTime>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const RotationBase<OtherDerived,ColsAtCompileTime>& r)
- {
- this->derived() = r;
- }
-
- // For fixed-size Array<Scalar,...>
- template<typename T>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const Scalar& val0,
- typename internal::enable_if< Base::SizeAtCompileTime!=Dynamic
- && Base::SizeAtCompileTime!=1
- && internal::is_convertible<T, Scalar>::value
- && internal::is_same<typename internal::traits<Derived>::XprKind,ArrayXpr>::value,T>::type* = 0)
- {
- Base::setConstant(val0);
- }
-
- // For fixed-size Array<Index,...>
- template<typename T>
- EIGEN_DEVICE_FUNC
- EIGEN_STRONG_INLINE void _init1(const Index& val0,
- typename internal::enable_if< (!internal::is_same<Index,Scalar>::value)
- && (internal::is_same<Index,T>::value)
- && Base::SizeAtCompileTime!=Dynamic
- && Base::SizeAtCompileTime!=1
- && internal::is_convertible<T, Scalar>::value
- && internal::is_same<typename internal::traits<Derived>::XprKind,ArrayXpr>::value,T*>::type* = 0)
- {
- Base::setConstant(val0);
- }
-
- template<typename MatrixTypeA, typename MatrixTypeB, bool SwapPointers>
- friend struct internal::matrix_swap_impl;
- public:
-
- #ifndef EIGEN_PARSED_BY_DOXYGEN
- /** \internal
- * \brief Override DenseBase::swap() since for dynamic-sized matrices
- * of same type it is enough to swap the data pointers.
- */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- void swap(DenseBase<OtherDerived> & other)
- {
- enum { SwapPointers = internal::is_same<Derived, OtherDerived>::value && Base::SizeAtCompileTime==Dynamic };
- internal::matrix_swap_impl<Derived, OtherDerived, bool(SwapPointers)>::run(this->derived(), other.derived());
- }
-
- /** \internal
- * \brief const version forwarded to DenseBase::swap
- */
- template<typename OtherDerived>
- EIGEN_DEVICE_FUNC
- void swap(DenseBase<OtherDerived> const & other)
- { Base::swap(other.derived()); }
-
- EIGEN_DEVICE_FUNC
- static EIGEN_STRONG_INLINE void _check_template_params()
- {
- EIGEN_STATIC_ASSERT((EIGEN_IMPLIES(MaxRowsAtCompileTime==1 && MaxColsAtCompileTime!=1, (Options&RowMajor)==RowMajor)
- && EIGEN_IMPLIES(MaxColsAtCompileTime==1 && MaxRowsAtCompileTime!=1, (Options&RowMajor)==0)
- && ((RowsAtCompileTime == Dynamic) || (RowsAtCompileTime >= 0))
- && ((ColsAtCompileTime == Dynamic) || (ColsAtCompileTime >= 0))
- && ((MaxRowsAtCompileTime == Dynamic) || (MaxRowsAtCompileTime >= 0))
- && ((MaxColsAtCompileTime == Dynamic) || (MaxColsAtCompileTime >= 0))
- && (MaxRowsAtCompileTime == RowsAtCompileTime || RowsAtCompileTime==Dynamic)
- && (MaxColsAtCompileTime == ColsAtCompileTime || ColsAtCompileTime==Dynamic)
- && (Options & (DontAlign|RowMajor)) == Options),
- INVALID_MATRIX_TEMPLATE_PARAMETERS)
- }
- enum { IsPlainObjectBase = 1 };
- #endif
- };
- namespace internal {
- template <typename Derived, typename OtherDerived, bool IsVector>
- struct conservative_resize_like_impl
- {
- static void run(DenseBase<Derived>& _this, Index rows, Index cols)
- {
- if (_this.rows() == rows && _this.cols() == cols) return;
- EIGEN_STATIC_ASSERT_DYNAMIC_SIZE(Derived)
- if ( ( Derived::IsRowMajor && _this.cols() == cols) || // row-major and we change only the number of rows
- (!Derived::IsRowMajor && _this.rows() == rows) ) // column-major and we change only the number of columns
- {
- internal::check_rows_cols_for_overflow<Derived::MaxSizeAtCompileTime>::run(rows, cols);
- _this.derived().m_storage.conservativeResize(rows*cols,rows,cols);
- }
- else
- {
- // The storage order does not allow us to use reallocation.
- typename Derived::PlainObject tmp(rows,cols);
- const Index common_rows = numext::mini(rows, _this.rows());
- const Index common_cols = numext::mini(cols, _this.cols());
- tmp.block(0,0,common_rows,common_cols) = _this.block(0,0,common_rows,common_cols);
- _this.derived().swap(tmp);
- }
- }
- static void run(DenseBase<Derived>& _this, const DenseBase<OtherDerived>& other)
- {
- if (_this.rows() == other.rows() && _this.cols() == other.cols()) return;
- // Note: Here is space for improvement. Basically, for conservativeResize(Index,Index),
- // neither RowsAtCompileTime or ColsAtCompileTime must be Dynamic. If only one of the
- // dimensions is dynamic, one could use either conservativeResize(Index rows, NoChange_t) or
- // conservativeResize(NoChange_t, Index cols). For these methods new static asserts like
- // EIGEN_STATIC_ASSERT_DYNAMIC_ROWS and EIGEN_STATIC_ASSERT_DYNAMIC_COLS would be good.
- EIGEN_STATIC_ASSERT_DYNAMIC_SIZE(Derived)
- EIGEN_STATIC_ASSERT_DYNAMIC_SIZE(OtherDerived)
- if ( ( Derived::IsRowMajor && _this.cols() == other.cols()) || // row-major and we change only the number of rows
- (!Derived::IsRowMajor && _this.rows() == other.rows()) ) // column-major and we change only the number of columns
- {
- const Index new_rows = other.rows() - _this.rows();
- const Index new_cols = other.cols() - _this.cols();
- _this.derived().m_storage.conservativeResize(other.size(),other.rows(),other.cols());
- if (new_rows>0)
- _this.bottomRightCorner(new_rows, other.cols()) = other.bottomRows(new_rows);
- else if (new_cols>0)
- _this.bottomRightCorner(other.rows(), new_cols) = other.rightCols(new_cols);
- }
- else
- {
- // The storage order does not allow us to use reallocation.
- typename Derived::PlainObject tmp(other);
- const Index common_rows = numext::mini(tmp.rows(), _this.rows());
- const Index common_cols = numext::mini(tmp.cols(), _this.cols());
- tmp.block(0,0,common_rows,common_cols) = _this.block(0,0,common_rows,common_cols);
- _this.derived().swap(tmp);
- }
- }
- };
- // Here, the specialization for vectors inherits from the general matrix case
- // to allow calling .conservativeResize(rows,cols) on vectors.
- template <typename Derived, typename OtherDerived>
- struct conservative_resize_like_impl<Derived,OtherDerived,true>
- : conservative_resize_like_impl<Derived,OtherDerived,false>
- {
- using conservative_resize_like_impl<Derived,OtherDerived,false>::run;
-
- static void run(DenseBase<Derived>& _this, Index size)
- {
- const Index new_rows = Derived::RowsAtCompileTime==1 ? 1 : size;
- const Index new_cols = Derived::RowsAtCompileTime==1 ? size : 1;
- _this.derived().m_storage.conservativeResize(size,new_rows,new_cols);
- }
- static void run(DenseBase<Derived>& _this, const DenseBase<OtherDerived>& other)
- {
- if (_this.rows() == other.rows() && _this.cols() == other.cols()) return;
- const Index num_new_elements = other.size() - _this.size();
- const Index new_rows = Derived::RowsAtCompileTime==1 ? 1 : other.rows();
- const Index new_cols = Derived::RowsAtCompileTime==1 ? other.cols() : 1;
- _this.derived().m_storage.conservativeResize(other.size(),new_rows,new_cols);
- if (num_new_elements > 0)
- _this.tail(num_new_elements) = other.tail(num_new_elements);
- }
- };
- template<typename MatrixTypeA, typename MatrixTypeB, bool SwapPointers>
- struct matrix_swap_impl
- {
- EIGEN_DEVICE_FUNC
- static inline void run(MatrixTypeA& a, MatrixTypeB& b)
- {
- a.base().swap(b);
- }
- };
- template<typename MatrixTypeA, typename MatrixTypeB>
- struct matrix_swap_impl<MatrixTypeA, MatrixTypeB, true>
- {
- EIGEN_DEVICE_FUNC
- static inline void run(MatrixTypeA& a, MatrixTypeB& b)
- {
- static_cast<typename MatrixTypeA::Base&>(a).m_storage.swap(static_cast<typename MatrixTypeB::Base&>(b).m_storage);
- }
- };
- } // end namespace internal
- } // end namespace Eigen
- #endif // EIGEN_DENSESTORAGEBASE_H
|