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Tobias Wood
@@ -16,129 +16,122 @@
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namespace Eigen {
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namespace internal {
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template<typename ViewOp, typename MatrixType, typename StrideType>
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struct traits<CwiseUnaryView<ViewOp, MatrixType, StrideType> >
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: traits<MatrixType>
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{
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typedef typename result_of<
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ViewOp(const typename traits<MatrixType>::Scalar&)
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>::type Scalar;
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template <typename ViewOp, typename MatrixType, typename StrideType>
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struct traits<CwiseUnaryView<ViewOp, MatrixType, StrideType> > : traits<MatrixType> {
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typedef typename result_of<ViewOp(const typename traits<MatrixType>::Scalar&)>::type Scalar;
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typedef typename MatrixType::Nested MatrixTypeNested;
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typedef remove_all_t<MatrixTypeNested> MatrixTypeNested_;
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enum {
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FlagsLvalueBit = is_lvalue<MatrixType>::value ? LvalueBit : 0,
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Flags = traits<MatrixTypeNested_>::Flags & (RowMajorBit | FlagsLvalueBit | DirectAccessBit), // FIXME DirectAccessBit should not be handled by expressions
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MatrixTypeInnerStride = inner_stride_at_compile_time<MatrixType>::ret,
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Flags =
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traits<MatrixTypeNested_>::Flags &
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(RowMajorBit | FlagsLvalueBit | DirectAccessBit), // FIXME DirectAccessBit should not be handled by expressions
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MatrixTypeInnerStride = inner_stride_at_compile_time<MatrixType>::ret,
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// need to cast the sizeof's from size_t to int explicitly, otherwise:
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// "error: no integral type can represent all of the enumerator values
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InnerStrideAtCompileTime = StrideType::InnerStrideAtCompileTime == 0
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? (MatrixTypeInnerStride == Dynamic
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? int(Dynamic)
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: int(MatrixTypeInnerStride) * int(sizeof(typename traits<MatrixType>::Scalar) / sizeof(Scalar)))
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: int(StrideType::InnerStrideAtCompileTime),
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InnerStrideAtCompileTime =
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StrideType::InnerStrideAtCompileTime == 0
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? (MatrixTypeInnerStride == Dynamic
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? int(Dynamic)
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: int(MatrixTypeInnerStride) * int(sizeof(typename traits<MatrixType>::Scalar) / sizeof(Scalar)))
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: int(StrideType::InnerStrideAtCompileTime),
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OuterStrideAtCompileTime = StrideType::OuterStrideAtCompileTime == 0
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? (outer_stride_at_compile_time<MatrixType>::ret == Dynamic
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? int(Dynamic)
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: outer_stride_at_compile_time<MatrixType>::ret * int(sizeof(typename traits<MatrixType>::Scalar) / sizeof(Scalar)))
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: int(StrideType::OuterStrideAtCompileTime)
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? (outer_stride_at_compile_time<MatrixType>::ret == Dynamic
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? int(Dynamic)
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: outer_stride_at_compile_time<MatrixType>::ret *
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int(sizeof(typename traits<MatrixType>::Scalar) / sizeof(Scalar)))
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: int(StrideType::OuterStrideAtCompileTime)
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};
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};
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}
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} // namespace internal
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template<typename ViewOp, typename MatrixType, typename StrideType, typename StorageKind>
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template <typename ViewOp, typename MatrixType, typename StrideType, typename StorageKind>
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class CwiseUnaryViewImpl;
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/** \class CwiseUnaryView
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* \ingroup Core_Module
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*
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* \brief Generic lvalue expression of a coefficient-wise unary operator of a matrix or a vector
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*
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* \tparam ViewOp template functor implementing the view
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* \tparam MatrixType the type of the matrix we are applying the unary operator
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*
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* This class represents a lvalue expression of a generic unary view operator of a matrix or a vector.
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* It is the return type of real() and imag(), and most of the time this is the only way it is used.
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*
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* \sa MatrixBase::unaryViewExpr(const CustomUnaryOp &) const, class CwiseUnaryOp
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*/
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template<typename ViewOp, typename MatrixType, typename StrideType>
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class CwiseUnaryView : public CwiseUnaryViewImpl<ViewOp, MatrixType, StrideType, typename internal::traits<MatrixType>::StorageKind>
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{
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public:
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* \ingroup Core_Module
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*
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* \brief Generic lvalue expression of a coefficient-wise unary operator of a matrix or a vector
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*
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* \tparam ViewOp template functor implementing the view
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* \tparam MatrixType the type of the matrix we are applying the unary operator
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*
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* This class represents a lvalue expression of a generic unary view operator of a matrix or a vector.
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* It is the return type of real() and imag(), and most of the time this is the only way it is used.
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*
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* \sa MatrixBase::unaryViewExpr(const CustomUnaryOp &) const, class CwiseUnaryOp
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*/
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template <typename ViewOp, typename MatrixType, typename StrideType>
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class CwiseUnaryView
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: public CwiseUnaryViewImpl<ViewOp, MatrixType, StrideType, typename internal::traits<MatrixType>::StorageKind> {
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public:
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typedef typename CwiseUnaryViewImpl<ViewOp, MatrixType, StrideType,
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typename internal::traits<MatrixType>::StorageKind>::Base Base;
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EIGEN_GENERIC_PUBLIC_INTERFACE(CwiseUnaryView)
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typedef typename internal::ref_selector<MatrixType>::non_const_type MatrixTypeNested;
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typedef internal::remove_all_t<MatrixType> NestedExpression;
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typedef typename CwiseUnaryViewImpl<ViewOp, MatrixType, StrideType, typename internal::traits<MatrixType>::StorageKind>::Base Base;
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EIGEN_GENERIC_PUBLIC_INTERFACE(CwiseUnaryView)
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typedef typename internal::ref_selector<MatrixType>::non_const_type MatrixTypeNested;
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typedef internal::remove_all_t<MatrixType> NestedExpression;
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explicit EIGEN_DEVICE_FUNC inline CwiseUnaryView(MatrixType& mat, const ViewOp& func = ViewOp())
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explicit EIGEN_DEVICE_FUNC inline CwiseUnaryView(MatrixType& mat, const ViewOp& func = ViewOp())
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: m_matrix(mat), m_functor(func) {}
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EIGEN_INHERIT_ASSIGNMENT_OPERATORS(CwiseUnaryView)
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EIGEN_INHERIT_ASSIGNMENT_OPERATORS(CwiseUnaryView)
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EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE EIGEN_CONSTEXPR
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Index rows() const EIGEN_NOEXCEPT { return m_matrix.rows(); }
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EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE EIGEN_CONSTEXPR
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Index cols() const EIGEN_NOEXCEPT { return m_matrix.cols(); }
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EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE EIGEN_CONSTEXPR Index rows() const EIGEN_NOEXCEPT { return m_matrix.rows(); }
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EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE EIGEN_CONSTEXPR Index cols() const EIGEN_NOEXCEPT { return m_matrix.cols(); }
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/** \returns the functor representing unary operation */
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EIGEN_DEVICE_FUNC const ViewOp& functor() const { return m_functor; }
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/** \returns the functor representing unary operation */
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EIGEN_DEVICE_FUNC const ViewOp& functor() const { return m_functor; }
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/** \returns the nested expression */
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EIGEN_DEVICE_FUNC const internal::remove_all_t<MatrixTypeNested>&
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nestedExpression() const { return m_matrix; }
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/** \returns the nested expression */
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EIGEN_DEVICE_FUNC const internal::remove_all_t<MatrixTypeNested>& nestedExpression() const { return m_matrix; }
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/** \returns the nested expression */
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EIGEN_DEVICE_FUNC std::remove_reference_t<MatrixTypeNested>&
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nestedExpression() { return m_matrix; }
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/** \returns the nested expression */
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EIGEN_DEVICE_FUNC std::remove_reference_t<MatrixTypeNested>& nestedExpression() { return m_matrix; }
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protected:
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MatrixTypeNested m_matrix;
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ViewOp m_functor;
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protected:
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MatrixTypeNested m_matrix;
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ViewOp m_functor;
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};
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// Generic API dispatcher
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template<typename ViewOp, typename XprType, typename StrideType, typename StorageKind>
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class CwiseUnaryViewImpl
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: public internal::generic_xpr_base<CwiseUnaryView<ViewOp, XprType, StrideType> >::type
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{
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public:
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template <typename ViewOp, typename XprType, typename StrideType, typename StorageKind>
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class CwiseUnaryViewImpl : public internal::generic_xpr_base<CwiseUnaryView<ViewOp, XprType, StrideType> >::type {
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public:
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typedef typename internal::generic_xpr_base<CwiseUnaryView<ViewOp, XprType, StrideType> >::type Base;
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};
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template<typename ViewOp, typename MatrixType, typename StrideType>
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class CwiseUnaryViewImpl<ViewOp,MatrixType,StrideType,Dense>
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: public internal::dense_xpr_base< CwiseUnaryView<ViewOp, MatrixType, StrideType> >::type
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{
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public:
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template <typename ViewOp, typename MatrixType, typename StrideType>
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class CwiseUnaryViewImpl<ViewOp, MatrixType, StrideType, Dense>
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: public internal::dense_xpr_base<CwiseUnaryView<ViewOp, MatrixType, StrideType> >::type {
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public:
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typedef CwiseUnaryView<ViewOp, MatrixType, StrideType> Derived;
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typedef typename internal::dense_xpr_base<CwiseUnaryView<ViewOp, MatrixType, StrideType> >::type Base;
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typedef CwiseUnaryView<ViewOp, MatrixType,StrideType> Derived;
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typedef typename internal::dense_xpr_base< CwiseUnaryView<ViewOp, MatrixType,StrideType> >::type Base;
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EIGEN_DENSE_PUBLIC_INTERFACE(Derived)
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EIGEN_INHERIT_ASSIGNMENT_OPERATORS(CwiseUnaryViewImpl)
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EIGEN_DENSE_PUBLIC_INTERFACE(Derived)
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EIGEN_INHERIT_ASSIGNMENT_OPERATORS(CwiseUnaryViewImpl)
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EIGEN_DEVICE_FUNC inline Scalar* data() { return &(this->coeffRef(0)); }
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EIGEN_DEVICE_FUNC inline const Scalar* data() const { return &(this->coeff(0)); }
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EIGEN_DEVICE_FUNC inline Scalar* data() { return &(this->coeffRef(0)); }
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EIGEN_DEVICE_FUNC inline const Scalar* data() const { return &(this->coeff(0)); }
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EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR inline Index innerStride() const {
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return StrideType::InnerStrideAtCompileTime != 0
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? int(StrideType::InnerStrideAtCompileTime)
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: derived().nestedExpression().innerStride() * sizeof(typename internal::traits<MatrixType>::Scalar) /
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sizeof(Scalar);
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}
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EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR inline Index innerStride() const
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{
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return StrideType::InnerStrideAtCompileTime != 0
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? int(StrideType::InnerStrideAtCompileTime)
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: derived().nestedExpression().innerStride() * sizeof(typename internal::traits<MatrixType>::Scalar) / sizeof(Scalar);
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}
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EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR inline Index outerStride() const {
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return StrideType::OuterStrideAtCompileTime != 0
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? int(StrideType::OuterStrideAtCompileTime)
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: derived().nestedExpression().outerStride() * sizeof(typename internal::traits<MatrixType>::Scalar) /
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sizeof(Scalar);
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}
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EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR inline Index outerStride() const
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{
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return StrideType::OuterStrideAtCompileTime != 0
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? int(StrideType::OuterStrideAtCompileTime)
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: derived().nestedExpression().outerStride() * sizeof(typename internal::traits<MatrixType>::Scalar) / sizeof(Scalar);
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}
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protected:
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EIGEN_DEFAULT_EMPTY_CONSTRUCTOR_AND_DESTRUCTOR(CwiseUnaryViewImpl)
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protected:
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EIGEN_DEFAULT_EMPTY_CONSTRUCTOR_AND_DESTRUCTOR(CwiseUnaryViewImpl)
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};
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} // end namespace Eigen
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} // end namespace Eigen
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#endif // EIGEN_CWISE_UNARY_VIEW_H
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#endif // EIGEN_CWISE_UNARY_VIEW_H
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