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Tobias Wood
@@ -16,130 +16,118 @@
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namespace Eigen {
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namespace internal {
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template<typename MatrixType,int RowFactor,int ColFactor>
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struct traits<Replicate<MatrixType,RowFactor,ColFactor> >
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: traits<MatrixType>
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{
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template <typename MatrixType, int RowFactor, int ColFactor>
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struct traits<Replicate<MatrixType, RowFactor, ColFactor> > : traits<MatrixType> {
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typedef typename MatrixType::Scalar Scalar;
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typedef typename traits<MatrixType>::StorageKind StorageKind;
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typedef typename traits<MatrixType>::XprKind XprKind;
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typedef typename ref_selector<MatrixType>::type MatrixTypeNested;
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typedef std::remove_reference_t<MatrixTypeNested> MatrixTypeNested_;
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enum {
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RowsAtCompileTime = RowFactor==Dynamic || int(MatrixType::RowsAtCompileTime)==Dynamic
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? Dynamic
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: RowFactor * MatrixType::RowsAtCompileTime,
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ColsAtCompileTime = ColFactor==Dynamic || int(MatrixType::ColsAtCompileTime)==Dynamic
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? Dynamic
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: ColFactor * MatrixType::ColsAtCompileTime,
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//FIXME we don't propagate the max sizes !!!
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RowsAtCompileTime = RowFactor == Dynamic || int(MatrixType::RowsAtCompileTime) == Dynamic
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? Dynamic
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: RowFactor * MatrixType::RowsAtCompileTime,
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ColsAtCompileTime = ColFactor == Dynamic || int(MatrixType::ColsAtCompileTime) == Dynamic
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? Dynamic
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: ColFactor * MatrixType::ColsAtCompileTime,
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// FIXME we don't propagate the max sizes !!!
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MaxRowsAtCompileTime = RowsAtCompileTime,
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MaxColsAtCompileTime = ColsAtCompileTime,
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IsRowMajor = MaxRowsAtCompileTime==1 && MaxColsAtCompileTime!=1 ? 1
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: MaxColsAtCompileTime==1 && MaxRowsAtCompileTime!=1 ? 0
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: (MatrixType::Flags & RowMajorBit) ? 1 : 0,
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IsRowMajor = MaxRowsAtCompileTime == 1 && MaxColsAtCompileTime != 1 ? 1
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: MaxColsAtCompileTime == 1 && MaxRowsAtCompileTime != 1 ? 0
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: (MatrixType::Flags & RowMajorBit) ? 1
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: 0,
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// FIXME enable DirectAccess with negative strides?
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Flags = IsRowMajor ? RowMajorBit : 0
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};
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};
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}
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} // namespace internal
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/**
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* \class Replicate
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* \ingroup Core_Module
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*
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* \brief Expression of the multiple replication of a matrix or vector
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*
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* \tparam MatrixType the type of the object we are replicating
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* \tparam RowFactor number of repetitions at compile time along the vertical direction, can be Dynamic.
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* \tparam ColFactor number of repetitions at compile time along the horizontal direction, can be Dynamic.
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*
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* This class represents an expression of the multiple replication of a matrix or vector.
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* It is the return type of DenseBase::replicate() and most of the time
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* this is the only way it is used.
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*
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* \sa DenseBase::replicate()
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*/
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template<typename MatrixType,int RowFactor,int ColFactor> class Replicate
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: public internal::dense_xpr_base< Replicate<MatrixType,RowFactor,ColFactor> >::type
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{
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typedef typename internal::traits<Replicate>::MatrixTypeNested MatrixTypeNested;
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typedef typename internal::traits<Replicate>::MatrixTypeNested_ MatrixTypeNested_;
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public:
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* \class Replicate
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* \ingroup Core_Module
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*
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* \brief Expression of the multiple replication of a matrix or vector
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*
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* \tparam MatrixType the type of the object we are replicating
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* \tparam RowFactor number of repetitions at compile time along the vertical direction, can be Dynamic.
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* \tparam ColFactor number of repetitions at compile time along the horizontal direction, can be Dynamic.
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*
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* This class represents an expression of the multiple replication of a matrix or vector.
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* It is the return type of DenseBase::replicate() and most of the time
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* this is the only way it is used.
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*
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* \sa DenseBase::replicate()
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*/
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template <typename MatrixType, int RowFactor, int ColFactor>
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class Replicate : public internal::dense_xpr_base<Replicate<MatrixType, RowFactor, ColFactor> >::type {
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typedef typename internal::traits<Replicate>::MatrixTypeNested MatrixTypeNested;
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typedef typename internal::traits<Replicate>::MatrixTypeNested_ MatrixTypeNested_;
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typedef typename internal::dense_xpr_base<Replicate>::type Base;
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EIGEN_DENSE_PUBLIC_INTERFACE(Replicate)
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typedef internal::remove_all_t<MatrixType> NestedExpression;
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public:
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typedef typename internal::dense_xpr_base<Replicate>::type Base;
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EIGEN_DENSE_PUBLIC_INTERFACE(Replicate)
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typedef internal::remove_all_t<MatrixType> NestedExpression;
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template<typename OriginalMatrixType>
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EIGEN_DEVICE_FUNC
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inline explicit Replicate(const OriginalMatrixType& matrix)
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: m_matrix(matrix), m_rowFactor(RowFactor), m_colFactor(ColFactor)
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{
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EIGEN_STATIC_ASSERT((internal::is_same<std::remove_const_t<MatrixType>,OriginalMatrixType>::value),
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THE_MATRIX_OR_EXPRESSION_THAT_YOU_PASSED_DOES_NOT_HAVE_THE_EXPECTED_TYPE)
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eigen_assert(RowFactor!=Dynamic && ColFactor!=Dynamic);
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}
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template <typename OriginalMatrixType>
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EIGEN_DEVICE_FUNC inline explicit Replicate(const OriginalMatrixType& matrix)
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: m_matrix(matrix), m_rowFactor(RowFactor), m_colFactor(ColFactor) {
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EIGEN_STATIC_ASSERT((internal::is_same<std::remove_const_t<MatrixType>, OriginalMatrixType>::value),
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THE_MATRIX_OR_EXPRESSION_THAT_YOU_PASSED_DOES_NOT_HAVE_THE_EXPECTED_TYPE)
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eigen_assert(RowFactor != Dynamic && ColFactor != Dynamic);
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}
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template<typename OriginalMatrixType>
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EIGEN_DEVICE_FUNC
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inline Replicate(const OriginalMatrixType& matrix, Index rowFactor, Index colFactor)
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: m_matrix(matrix), m_rowFactor(rowFactor), m_colFactor(colFactor)
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{
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EIGEN_STATIC_ASSERT((internal::is_same<std::remove_const_t<MatrixType>,OriginalMatrixType>::value),
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THE_MATRIX_OR_EXPRESSION_THAT_YOU_PASSED_DOES_NOT_HAVE_THE_EXPECTED_TYPE)
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}
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template <typename OriginalMatrixType>
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EIGEN_DEVICE_FUNC inline Replicate(const OriginalMatrixType& matrix, Index rowFactor, Index colFactor)
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: m_matrix(matrix),
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m_rowFactor(rowFactor),
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m_colFactor(colFactor){
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EIGEN_STATIC_ASSERT((internal::is_same<std::remove_const_t<MatrixType>, OriginalMatrixType>::value),
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THE_MATRIX_OR_EXPRESSION_THAT_YOU_PASSED_DOES_NOT_HAVE_THE_EXPECTED_TYPE)}
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EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR
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inline Index rows() const { return m_matrix.rows() * m_rowFactor.value(); }
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EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR
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inline Index cols() const { return m_matrix.cols() * m_colFactor.value(); }
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EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR inline Index rows() const {
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return m_matrix.rows() * m_rowFactor.value();
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}
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EIGEN_DEVICE_FUNC EIGEN_CONSTEXPR inline Index cols() const { return m_matrix.cols() * m_colFactor.value(); }
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EIGEN_DEVICE_FUNC
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const MatrixTypeNested_& nestedExpression() const
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{
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return m_matrix;
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}
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EIGEN_DEVICE_FUNC const MatrixTypeNested_& nestedExpression() const { return m_matrix; }
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protected:
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MatrixTypeNested m_matrix;
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const internal::variable_if_dynamic<Index, RowFactor> m_rowFactor;
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const internal::variable_if_dynamic<Index, ColFactor> m_colFactor;
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protected:
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MatrixTypeNested m_matrix;
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const internal::variable_if_dynamic<Index, RowFactor> m_rowFactor;
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const internal::variable_if_dynamic<Index, ColFactor> m_colFactor;
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};
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/**
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* \return an expression of the replication of \c *this
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*
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* Example: \include MatrixBase_replicate.cpp
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* Output: \verbinclude MatrixBase_replicate.out
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*
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* \sa VectorwiseOp::replicate(), DenseBase::replicate(Index,Index), class Replicate
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*/
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template<typename Derived>
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template<int RowFactor, int ColFactor>
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EIGEN_DEVICE_FUNC const Replicate<Derived,RowFactor,ColFactor>
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DenseBase<Derived>::replicate() const
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{
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return Replicate<Derived,RowFactor,ColFactor>(derived());
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* \return an expression of the replication of \c *this
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*
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* Example: \include MatrixBase_replicate.cpp
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* Output: \verbinclude MatrixBase_replicate.out
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*
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* \sa VectorwiseOp::replicate(), DenseBase::replicate(Index,Index), class Replicate
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*/
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template <typename Derived>
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template <int RowFactor, int ColFactor>
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EIGEN_DEVICE_FUNC const Replicate<Derived, RowFactor, ColFactor> DenseBase<Derived>::replicate() const {
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return Replicate<Derived, RowFactor, ColFactor>(derived());
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}
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/**
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* \return an expression of the replication of each column (or row) of \c *this
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*
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* Example: \include DirectionWise_replicate_int.cpp
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* Output: \verbinclude DirectionWise_replicate_int.out
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*
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* \sa VectorwiseOp::replicate(), DenseBase::replicate(), class Replicate
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*/
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template<typename ExpressionType, int Direction>
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EIGEN_DEVICE_FUNC const typename VectorwiseOp<ExpressionType,Direction>::ReplicateReturnType
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VectorwiseOp<ExpressionType,Direction>::replicate(Index factor) const
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{
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return typename VectorwiseOp<ExpressionType,Direction>::ReplicateReturnType
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(_expression(),Direction==Vertical?factor:1,Direction==Horizontal?factor:1);
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* \return an expression of the replication of each column (or row) of \c *this
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*
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* Example: \include DirectionWise_replicate_int.cpp
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* Output: \verbinclude DirectionWise_replicate_int.out
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*
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* \sa VectorwiseOp::replicate(), DenseBase::replicate(), class Replicate
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*/
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template <typename ExpressionType, int Direction>
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EIGEN_DEVICE_FUNC const typename VectorwiseOp<ExpressionType, Direction>::ReplicateReturnType
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VectorwiseOp<ExpressionType, Direction>::replicate(Index factor) const {
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return typename VectorwiseOp<ExpressionType, Direction>::ReplicateReturnType(
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_expression(), Direction == Vertical ? factor : 1, Direction == Horizontal ? factor : 1);
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}
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} // end namespace Eigen
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} // end namespace Eigen
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#endif // EIGEN_REPLICATE_H
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#endif // EIGEN_REPLICATE_H
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