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| #ifndef EIGEN_ARRAYWRAPPER_H |
| #define EIGEN_ARRAYWRAPPER_H |
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| 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 |
| }; |
| }; |
| } |
|
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| 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; |
|
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| typedef typename internal::ref_selector<ExpressionType>::non_const_type NestedExpressionType; |
|
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| using Base::coeffRef; |
|
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| EIGEN_DEVICE_FUNC |
| explicit EIGEN_STRONG_INLINE ArrayWrapper(ExpressionType& matrix) : m_expression(matrix) {} |
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| 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(); } |
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| EIGEN_DEVICE_FUNC |
| inline ScalarWithConstIfNotLvalue* data() { return m_expression.data(); } |
| EIGEN_DEVICE_FUNC |
| inline const Scalar* data() const { return m_expression.data(); } |
|
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| EIGEN_DEVICE_FUNC |
| inline const Scalar& coeffRef(Index rowId, Index colId) const |
| { |
| return m_expression.coeffRef(rowId, colId); |
| } |
|
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| 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; } |
|
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| 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); } |
| |
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| EIGEN_DEVICE_FUNC |
| void resize(Index rows, Index cols) { m_expression.resize(rows,cols); } |
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| 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 |
| }; |
| }; |
| } |
|
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| 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; |
|
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| typedef typename internal::ref_selector<ExpressionType>::non_const_type NestedExpressionType; |
|
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| using Base::coeffRef; |
|
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| EIGEN_DEVICE_FUNC |
| explicit inline MatrixWrapper(ExpressionType& matrix) : m_expression(matrix) {} |
|
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| 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(); } |
|
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| EIGEN_DEVICE_FUNC |
| inline ScalarWithConstIfNotLvalue* data() { return m_expression.data(); } |
| EIGEN_DEVICE_FUNC |
| inline const Scalar* data() const { return m_expression.data(); } |
|
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| EIGEN_DEVICE_FUNC |
| inline const Scalar& coeffRef(Index rowId, Index colId) const |
| { |
| return m_expression.derived().coeffRef(rowId, colId); |
| } |
|
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| EIGEN_DEVICE_FUNC |
| inline const Scalar& coeffRef(Index index) const |
| { |
| return m_expression.coeffRef(index); |
| } |
|
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| EIGEN_DEVICE_FUNC |
| const typename internal::remove_all<NestedExpressionType>::type& |
| nestedExpression() const |
| { |
| return m_expression; |
| } |
|
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| |
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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); } |
|
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| protected: |
| NestedExpressionType m_expression; |
| }; |
|
|
| } |
|
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| #endif |
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