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| | #ifndef EIGEN_ARRAYWRAPPER_H |
| | #define EIGEN_ARRAYWRAPPER_H |
| |
|
| | namespace Eigen { |
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|
| | namespace internal { |
| | template<typename ExpressionType> |
| | struct traits<ArrayWrapper<ExpressionType> > |
| | : public traits<typename remove_all<typename ExpressionType::Nested>::type > |
| | { |
| | typedef ArrayXpr XprKind; |
| | |
| | enum { |
| | Flags0 = traits<typename remove_all<typename ExpressionType::Nested>::type >::Flags, |
| | LvalueBitFlag = is_lvalue<ExpressionType>::value ? LvalueBit : 0, |
| | Flags = (Flags0 & ~(NestByRefBit | LvalueBit)) | LvalueBitFlag |
| | }; |
| | }; |
| | } |
| |
|
| | template<typename ExpressionType> |
| | class ArrayWrapper : public ArrayBase<ArrayWrapper<ExpressionType> > |
| | { |
| | public: |
| | typedef ArrayBase<ArrayWrapper> Base; |
| | EIGEN_DENSE_PUBLIC_INTERFACE(ArrayWrapper) |
| | EIGEN_INHERIT_ASSIGNMENT_OPERATORS(ArrayWrapper) |
| | typedef typename internal::remove_all<ExpressionType>::type NestedExpression; |
| |
|
| | typedef typename internal::conditional< |
| | internal::is_lvalue<ExpressionType>::value, |
| | Scalar, |
| | const Scalar |
| | >::type ScalarWithConstIfNotLvalue; |
| |
|
| | typedef typename internal::ref_selector<ExpressionType>::non_const_type NestedExpressionType; |
| |
|
| | using Base::coeffRef; |
| |
|
| | EIGEN_DEVICE_FUNC |
| | explicit EIGEN_STRONG_INLINE ArrayWrapper(ExpressionType& matrix) : m_expression(matrix) {} |
| |
|
| | EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR |
| | inline Index rows() const EIGEN_NOEXCEPT { return m_expression.rows(); } |
| | EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR |
| | inline Index cols() const EIGEN_NOEXCEPT { return m_expression.cols(); } |
| | EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR |
| | inline Index outerStride() const EIGEN_NOEXCEPT { return m_expression.outerStride(); } |
| | EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR |
| | inline Index innerStride() const EIGEN_NOEXCEPT { return m_expression.innerStride(); } |
| |
|
| | EIGEN_DEVICE_FUNC |
| | inline ScalarWithConstIfNotLvalue* data() { return m_expression.data(); } |
| | EIGEN_DEVICE_FUNC |
| | inline const Scalar* data() const { return m_expression.data(); } |
| |
|
| | EIGEN_DEVICE_FUNC |
| | inline const Scalar& coeffRef(Index rowId, Index colId) const |
| | { |
| | return m_expression.coeffRef(rowId, colId); |
| | } |
| |
|
| | EIGEN_DEVICE_FUNC |
| | inline const Scalar& coeffRef(Index index) const |
| | { |
| | return m_expression.coeffRef(index); |
| | } |
| |
|
| | template<typename Dest> |
| | EIGEN_DEVICE_FUNC |
| | inline void evalTo(Dest& dst) const { dst = m_expression; } |
| |
|
| | EIGEN_DEVICE_FUNC |
| | const typename internal::remove_all<NestedExpressionType>::type& |
| | nestedExpression() const |
| | { |
| | return m_expression; |
| | } |
| |
|
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| | |
| | EIGEN_DEVICE_FUNC |
| | void resize(Index newSize) { m_expression.resize(newSize); } |
| | |
| | |
| | EIGEN_DEVICE_FUNC |
| | void resize(Index rows, Index cols) { m_expression.resize(rows,cols); } |
| |
|
| | protected: |
| | NestedExpressionType m_expression; |
| | }; |
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|
| | namespace internal { |
| | template<typename ExpressionType> |
| | struct traits<MatrixWrapper<ExpressionType> > |
| | : public traits<typename remove_all<typename ExpressionType::Nested>::type > |
| | { |
| | typedef MatrixXpr XprKind; |
| | |
| | enum { |
| | Flags0 = traits<typename remove_all<typename ExpressionType::Nested>::type >::Flags, |
| | LvalueBitFlag = is_lvalue<ExpressionType>::value ? LvalueBit : 0, |
| | Flags = (Flags0 & ~(NestByRefBit | LvalueBit)) | LvalueBitFlag |
| | }; |
| | }; |
| | } |
| |
|
| | template<typename ExpressionType> |
| | class MatrixWrapper : public MatrixBase<MatrixWrapper<ExpressionType> > |
| | { |
| | public: |
| | typedef MatrixBase<MatrixWrapper<ExpressionType> > Base; |
| | EIGEN_DENSE_PUBLIC_INTERFACE(MatrixWrapper) |
| | EIGEN_INHERIT_ASSIGNMENT_OPERATORS(MatrixWrapper) |
| | typedef typename internal::remove_all<ExpressionType>::type NestedExpression; |
| |
|
| | typedef typename internal::conditional< |
| | internal::is_lvalue<ExpressionType>::value, |
| | Scalar, |
| | const Scalar |
| | >::type ScalarWithConstIfNotLvalue; |
| |
|
| | typedef typename internal::ref_selector<ExpressionType>::non_const_type NestedExpressionType; |
| |
|
| | using Base::coeffRef; |
| |
|
| | EIGEN_DEVICE_FUNC |
| | explicit inline MatrixWrapper(ExpressionType& matrix) : m_expression(matrix) {} |
| |
|
| | EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR |
| | inline Index rows() const EIGEN_NOEXCEPT { return m_expression.rows(); } |
| | EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR |
| | inline Index cols() const EIGEN_NOEXCEPT { return m_expression.cols(); } |
| | EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR |
| | inline Index outerStride() const EIGEN_NOEXCEPT { return m_expression.outerStride(); } |
| | EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR |
| | inline Index innerStride() const EIGEN_NOEXCEPT { return m_expression.innerStride(); } |
| |
|
| | EIGEN_DEVICE_FUNC |
| | inline ScalarWithConstIfNotLvalue* data() { return m_expression.data(); } |
| | EIGEN_DEVICE_FUNC |
| | inline const Scalar* data() const { return m_expression.data(); } |
| |
|
| | EIGEN_DEVICE_FUNC |
| | inline const Scalar& coeffRef(Index rowId, Index colId) const |
| | { |
| | return m_expression.derived().coeffRef(rowId, colId); |
| | } |
| |
|
| | EIGEN_DEVICE_FUNC |
| | inline const Scalar& coeffRef(Index index) const |
| | { |
| | return m_expression.coeffRef(index); |
| | } |
| |
|
| | EIGEN_DEVICE_FUNC |
| | const typename internal::remove_all<NestedExpressionType>::type& |
| | nestedExpression() const |
| | { |
| | return m_expression; |
| | } |
| |
|
| | |
| | |
| | EIGEN_DEVICE_FUNC |
| | void resize(Index newSize) { m_expression.resize(newSize); } |
| | |
| | |
| | EIGEN_DEVICE_FUNC |
| | void resize(Index rows, Index cols) { m_expression.resize(rows,cols); } |
| |
|
| | protected: |
| | NestedExpressionType m_expression; |
| | }; |
| |
|
| | } |
| |
|
| | #endif |
| |
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