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Diffstat (limited to 'runtimes/nn/depend/external/eigen/Eigen/src/Core/Transpose.h')
-rw-r--r-- | runtimes/nn/depend/external/eigen/Eigen/src/Core/Transpose.h | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/runtimes/nn/depend/external/eigen/Eigen/src/Core/Transpose.h b/runtimes/nn/depend/external/eigen/Eigen/src/Core/Transpose.h deleted file mode 100644 index 79b767bcc..000000000 --- a/runtimes/nn/depend/external/eigen/Eigen/src/Core/Transpose.h +++ /dev/null @@ -1,403 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com> -// Copyright (C) 2009-2014 Gael Guennebaud <gael.guennebaud@inria.fr> -// -// 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_TRANSPOSE_H -#define EIGEN_TRANSPOSE_H - -namespace Eigen { - -namespace internal { -template<typename MatrixType> -struct traits<Transpose<MatrixType> > : public traits<MatrixType> -{ - typedef typename ref_selector<MatrixType>::type MatrixTypeNested; - typedef typename remove_reference<MatrixTypeNested>::type MatrixTypeNestedPlain; - enum { - RowsAtCompileTime = MatrixType::ColsAtCompileTime, - ColsAtCompileTime = MatrixType::RowsAtCompileTime, - MaxRowsAtCompileTime = MatrixType::MaxColsAtCompileTime, - MaxColsAtCompileTime = MatrixType::MaxRowsAtCompileTime, - FlagsLvalueBit = is_lvalue<MatrixType>::value ? LvalueBit : 0, - Flags0 = traits<MatrixTypeNestedPlain>::Flags & ~(LvalueBit | NestByRefBit), - Flags1 = Flags0 | FlagsLvalueBit, - Flags = Flags1 ^ RowMajorBit, - InnerStrideAtCompileTime = inner_stride_at_compile_time<MatrixType>::ret, - OuterStrideAtCompileTime = outer_stride_at_compile_time<MatrixType>::ret - }; -}; -} - -template<typename MatrixType, typename StorageKind> class TransposeImpl; - -/** \class Transpose - * \ingroup Core_Module - * - * \brief Expression of the transpose of a matrix - * - * \tparam MatrixType the type of the object of which we are taking the transpose - * - * This class represents an expression of the transpose of a matrix. - * It is the return type of MatrixBase::transpose() and MatrixBase::adjoint() - * and most of the time this is the only way it is used. - * - * \sa MatrixBase::transpose(), MatrixBase::adjoint() - */ -template<typename MatrixType> class Transpose - : public TransposeImpl<MatrixType,typename internal::traits<MatrixType>::StorageKind> -{ - public: - - typedef typename internal::ref_selector<MatrixType>::non_const_type MatrixTypeNested; - - typedef typename TransposeImpl<MatrixType,typename internal::traits<MatrixType>::StorageKind>::Base Base; - EIGEN_GENERIC_PUBLIC_INTERFACE(Transpose) - typedef typename internal::remove_all<MatrixType>::type NestedExpression; - - EIGEN_DEVICE_FUNC - explicit inline Transpose(MatrixType& matrix) : m_matrix(matrix) {} - - EIGEN_INHERIT_ASSIGNMENT_OPERATORS(Transpose) - - EIGEN_DEVICE_FUNC inline Index rows() const { return m_matrix.cols(); } - EIGEN_DEVICE_FUNC inline Index cols() const { return m_matrix.rows(); } - - /** \returns the nested expression */ - EIGEN_DEVICE_FUNC - const typename internal::remove_all<MatrixTypeNested>::type& - nestedExpression() const { return m_matrix; } - - /** \returns the nested expression */ - EIGEN_DEVICE_FUNC - typename internal::remove_reference<MatrixTypeNested>::type& - nestedExpression() { return m_matrix; } - - /** \internal */ - void resize(Index nrows, Index ncols) { - m_matrix.resize(ncols,nrows); - } - - protected: - typename internal::ref_selector<MatrixType>::non_const_type m_matrix; -}; - -namespace internal { - -template<typename MatrixType, bool HasDirectAccess = has_direct_access<MatrixType>::ret> -struct TransposeImpl_base -{ - typedef typename dense_xpr_base<Transpose<MatrixType> >::type type; -}; - -template<typename MatrixType> -struct TransposeImpl_base<MatrixType, false> -{ - typedef typename dense_xpr_base<Transpose<MatrixType> >::type type; -}; - -} // end namespace internal - -// Generic API dispatcher -template<typename XprType, typename StorageKind> -class TransposeImpl - : public internal::generic_xpr_base<Transpose<XprType> >::type -{ -public: - typedef typename internal::generic_xpr_base<Transpose<XprType> >::type Base; -}; - -template<typename MatrixType> class TransposeImpl<MatrixType,Dense> - : public internal::TransposeImpl_base<MatrixType>::type -{ - public: - - typedef typename internal::TransposeImpl_base<MatrixType>::type Base; - using Base::coeffRef; - EIGEN_DENSE_PUBLIC_INTERFACE(Transpose<MatrixType>) - EIGEN_INHERIT_ASSIGNMENT_OPERATORS(TransposeImpl) - - EIGEN_DEVICE_FUNC inline Index innerStride() const { return derived().nestedExpression().innerStride(); } - EIGEN_DEVICE_FUNC inline Index outerStride() const { return derived().nestedExpression().outerStride(); } - - typedef typename internal::conditional< - internal::is_lvalue<MatrixType>::value, - Scalar, - const Scalar - >::type ScalarWithConstIfNotLvalue; - - EIGEN_DEVICE_FUNC inline ScalarWithConstIfNotLvalue* data() { return derived().nestedExpression().data(); } - EIGEN_DEVICE_FUNC inline const Scalar* data() const { return derived().nestedExpression().data(); } - - // FIXME: shall we keep the const version of coeffRef? - EIGEN_DEVICE_FUNC - inline const Scalar& coeffRef(Index rowId, Index colId) const - { - return derived().nestedExpression().coeffRef(colId, rowId); - } - - EIGEN_DEVICE_FUNC - inline const Scalar& coeffRef(Index index) const - { - return derived().nestedExpression().coeffRef(index); - } -}; - -/** \returns an expression of the transpose of *this. - * - * Example: \include MatrixBase_transpose.cpp - * Output: \verbinclude MatrixBase_transpose.out - * - * \warning If you want to replace a matrix by its own transpose, do \b NOT do this: - * \code - * m = m.transpose(); // bug!!! caused by aliasing effect - * \endcode - * Instead, use the transposeInPlace() method: - * \code - * m.transposeInPlace(); - * \endcode - * which gives Eigen good opportunities for optimization, or alternatively you can also do: - * \code - * m = m.transpose().eval(); - * \endcode - * - * \sa transposeInPlace(), adjoint() */ -template<typename Derived> -inline Transpose<Derived> -DenseBase<Derived>::transpose() -{ - return TransposeReturnType(derived()); -} - -/** This is the const version of transpose(). - * - * Make sure you read the warning for transpose() ! - * - * \sa transposeInPlace(), adjoint() */ -template<typename Derived> -inline typename DenseBase<Derived>::ConstTransposeReturnType -DenseBase<Derived>::transpose() const -{ - return ConstTransposeReturnType(derived()); -} - -/** \returns an expression of the adjoint (i.e. conjugate transpose) of *this. - * - * Example: \include MatrixBase_adjoint.cpp - * Output: \verbinclude MatrixBase_adjoint.out - * - * \warning If you want to replace a matrix by its own adjoint, do \b NOT do this: - * \code - * m = m.adjoint(); // bug!!! caused by aliasing effect - * \endcode - * Instead, use the adjointInPlace() method: - * \code - * m.adjointInPlace(); - * \endcode - * which gives Eigen good opportunities for optimization, or alternatively you can also do: - * \code - * m = m.adjoint().eval(); - * \endcode - * - * \sa adjointInPlace(), transpose(), conjugate(), class Transpose, class internal::scalar_conjugate_op */ -template<typename Derived> -inline const typename MatrixBase<Derived>::AdjointReturnType -MatrixBase<Derived>::adjoint() const -{ - return AdjointReturnType(this->transpose()); -} - -/*************************************************************************** -* "in place" transpose implementation -***************************************************************************/ - -namespace internal { - -template<typename MatrixType, - bool IsSquare = (MatrixType::RowsAtCompileTime == MatrixType::ColsAtCompileTime) && MatrixType::RowsAtCompileTime!=Dynamic, - bool MatchPacketSize = - (int(MatrixType::RowsAtCompileTime) == int(internal::packet_traits<typename MatrixType::Scalar>::size)) - && (internal::evaluator<MatrixType>::Flags&PacketAccessBit) > -struct inplace_transpose_selector; - -template<typename MatrixType> -struct inplace_transpose_selector<MatrixType,true,false> { // square matrix - static void run(MatrixType& m) { - m.matrix().template triangularView<StrictlyUpper>().swap(m.matrix().transpose()); - } -}; - -// TODO: vectorized path is currently limited to LargestPacketSize x LargestPacketSize cases only. -template<typename MatrixType> -struct inplace_transpose_selector<MatrixType,true,true> { // PacketSize x PacketSize - static void run(MatrixType& m) { - typedef typename MatrixType::Scalar Scalar; - typedef typename internal::packet_traits<typename MatrixType::Scalar>::type Packet; - const Index PacketSize = internal::packet_traits<Scalar>::size; - const Index Alignment = internal::evaluator<MatrixType>::Alignment; - PacketBlock<Packet> A; - for (Index i=0; i<PacketSize; ++i) - A.packet[i] = m.template packetByOuterInner<Alignment>(i,0); - internal::ptranspose(A); - for (Index i=0; i<PacketSize; ++i) - m.template writePacket<Alignment>(m.rowIndexByOuterInner(i,0), m.colIndexByOuterInner(i,0), A.packet[i]); - } -}; - -template<typename MatrixType,bool MatchPacketSize> -struct inplace_transpose_selector<MatrixType,false,MatchPacketSize> { // non square matrix - static void run(MatrixType& m) { - if (m.rows()==m.cols()) - m.matrix().template triangularView<StrictlyUpper>().swap(m.matrix().transpose()); - else - m = m.transpose().eval(); - } -}; - -} // end namespace internal - -/** This is the "in place" version of transpose(): it replaces \c *this by its own transpose. - * Thus, doing - * \code - * m.transposeInPlace(); - * \endcode - * has the same effect on m as doing - * \code - * m = m.transpose().eval(); - * \endcode - * and is faster and also safer because in the latter line of code, forgetting the eval() results - * in a bug caused by \ref TopicAliasing "aliasing". - * - * Notice however that this method is only useful if you want to replace a matrix by its own transpose. - * If you just need the transpose of a matrix, use transpose(). - * - * \note if the matrix is not square, then \c *this must be a resizable matrix. - * This excludes (non-square) fixed-size matrices, block-expressions and maps. - * - * \sa transpose(), adjoint(), adjointInPlace() */ -template<typename Derived> -inline void DenseBase<Derived>::transposeInPlace() -{ - eigen_assert((rows() == cols() || (RowsAtCompileTime == Dynamic && ColsAtCompileTime == Dynamic)) - && "transposeInPlace() called on a non-square non-resizable matrix"); - internal::inplace_transpose_selector<Derived>::run(derived()); -} - -/*************************************************************************** -* "in place" adjoint implementation -***************************************************************************/ - -/** This is the "in place" version of adjoint(): it replaces \c *this by its own transpose. - * Thus, doing - * \code - * m.adjointInPlace(); - * \endcode - * has the same effect on m as doing - * \code - * m = m.adjoint().eval(); - * \endcode - * and is faster and also safer because in the latter line of code, forgetting the eval() results - * in a bug caused by aliasing. - * - * Notice however that this method is only useful if you want to replace a matrix by its own adjoint. - * If you just need the adjoint of a matrix, use adjoint(). - * - * \note if the matrix is not square, then \c *this must be a resizable matrix. - * This excludes (non-square) fixed-size matrices, block-expressions and maps. - * - * \sa transpose(), adjoint(), transposeInPlace() */ -template<typename Derived> -inline void MatrixBase<Derived>::adjointInPlace() -{ - derived() = adjoint().eval(); -} - -#ifndef EIGEN_NO_DEBUG - -// The following is to detect aliasing problems in most common cases. - -namespace internal { - -template<bool DestIsTransposed, typename OtherDerived> -struct check_transpose_aliasing_compile_time_selector -{ - enum { ret = bool(blas_traits<OtherDerived>::IsTransposed) != DestIsTransposed }; -}; - -template<bool DestIsTransposed, typename BinOp, typename DerivedA, typename DerivedB> -struct check_transpose_aliasing_compile_time_selector<DestIsTransposed,CwiseBinaryOp<BinOp,DerivedA,DerivedB> > -{ - enum { ret = bool(blas_traits<DerivedA>::IsTransposed) != DestIsTransposed - || bool(blas_traits<DerivedB>::IsTransposed) != DestIsTransposed - }; -}; - -template<typename Scalar, bool DestIsTransposed, typename OtherDerived> -struct check_transpose_aliasing_run_time_selector -{ - static bool run(const Scalar* dest, const OtherDerived& src) - { - return (bool(blas_traits<OtherDerived>::IsTransposed) != DestIsTransposed) && (dest!=0 && dest==(const Scalar*)extract_data(src)); - } -}; - -template<typename Scalar, bool DestIsTransposed, typename BinOp, typename DerivedA, typename DerivedB> -struct check_transpose_aliasing_run_time_selector<Scalar,DestIsTransposed,CwiseBinaryOp<BinOp,DerivedA,DerivedB> > -{ - static bool run(const Scalar* dest, const CwiseBinaryOp<BinOp,DerivedA,DerivedB>& src) - { - return ((blas_traits<DerivedA>::IsTransposed != DestIsTransposed) && (dest!=0 && dest==(const Scalar*)extract_data(src.lhs()))) - || ((blas_traits<DerivedB>::IsTransposed != DestIsTransposed) && (dest!=0 && dest==(const Scalar*)extract_data(src.rhs()))); - } -}; - -// the following selector, checkTransposeAliasing_impl, based on MightHaveTransposeAliasing, -// is because when the condition controlling the assert is known at compile time, ICC emits a warning. -// This is actually a good warning: in expressions that don't have any transposing, the condition is -// known at compile time to be false, and using that, we can avoid generating the code of the assert again -// and again for all these expressions that don't need it. - -template<typename Derived, typename OtherDerived, - bool MightHaveTransposeAliasing - = check_transpose_aliasing_compile_time_selector - <blas_traits<Derived>::IsTransposed,OtherDerived>::ret - > -struct checkTransposeAliasing_impl -{ - static void run(const Derived& dst, const OtherDerived& other) - { - eigen_assert((!check_transpose_aliasing_run_time_selector - <typename Derived::Scalar,blas_traits<Derived>::IsTransposed,OtherDerived> - ::run(extract_data(dst), other)) - && "aliasing detected during transposition, use transposeInPlace() " - "or evaluate the rhs into a temporary using .eval()"); - - } -}; - -template<typename Derived, typename OtherDerived> -struct checkTransposeAliasing_impl<Derived, OtherDerived, false> -{ - static void run(const Derived&, const OtherDerived&) - { - } -}; - -template<typename Dst, typename Src> -void check_for_aliasing(const Dst &dst, const Src &src) -{ - internal::checkTransposeAliasing_impl<Dst, Src>::run(dst, src); -} - -} // end namespace internal - -#endif // EIGEN_NO_DEBUG - -} // end namespace Eigen - -#endif // EIGEN_TRANSPOSE_H |