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https://gitlab.com/libeigen/eigen.git
synced 2026-04-10 11:34:33 +08:00
Extend support for nvcc to Array objects and wrappers
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@@ -37,45 +37,59 @@ class DiagonalBase : public EigenBase<Derived>
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typedef DenseMatrixType DenseType;
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typedef DiagonalMatrix<Scalar,DiagonalVectorType::SizeAtCompileTime,DiagonalVectorType::MaxSizeAtCompileTime> PlainObject;
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EIGEN_DEVICE_FUNC
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inline const Derived& derived() const { return *static_cast<const Derived*>(this); }
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EIGEN_DEVICE_FUNC
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inline Derived& derived() { return *static_cast<Derived*>(this); }
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EIGEN_DEVICE_FUNC
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DenseMatrixType toDenseMatrix() const { return derived(); }
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template<typename DenseDerived>
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EIGEN_DEVICE_FUNC
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void evalTo(MatrixBase<DenseDerived> &other) const;
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template<typename DenseDerived>
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EIGEN_DEVICE_FUNC
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void addTo(MatrixBase<DenseDerived> &other) const
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{ other.diagonal() += diagonal(); }
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template<typename DenseDerived>
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EIGEN_DEVICE_FUNC
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void subTo(MatrixBase<DenseDerived> &other) const
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{ other.diagonal() -= diagonal(); }
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EIGEN_DEVICE_FUNC
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inline const DiagonalVectorType& diagonal() const { return derived().diagonal(); }
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EIGEN_DEVICE_FUNC
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inline DiagonalVectorType& diagonal() { return derived().diagonal(); }
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EIGEN_DEVICE_FUNC
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inline Index rows() const { return diagonal().size(); }
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EIGEN_DEVICE_FUNC
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inline Index cols() const { return diagonal().size(); }
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/** \returns the diagonal matrix product of \c *this by the matrix \a matrix.
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*/
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template<typename MatrixDerived>
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EIGEN_DEVICE_FUNC
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const DiagonalProduct<MatrixDerived, Derived, OnTheLeft>
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operator*(const MatrixBase<MatrixDerived> &matrix) const
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{
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return DiagonalProduct<MatrixDerived, Derived, OnTheLeft>(matrix.derived(), derived());
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}
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EIGEN_DEVICE_FUNC
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inline const DiagonalWrapper<const CwiseUnaryOp<internal::scalar_inverse_op<Scalar>, const DiagonalVectorType> >
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inverse() const
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{
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return diagonal().cwiseInverse();
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}
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EIGEN_DEVICE_FUNC
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inline const DiagonalWrapper<const CwiseUnaryOp<internal::scalar_multiple_op<Scalar>, const DiagonalVectorType> >
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operator*(const Scalar& scalar) const
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{
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return diagonal() * scalar;
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}
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EIGEN_DEVICE_FUNC
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friend inline const DiagonalWrapper<const CwiseUnaryOp<internal::scalar_multiple_op<Scalar>, const DiagonalVectorType> >
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operator*(const Scalar& scalar, const DiagonalBase& other)
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{
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@@ -84,11 +98,13 @@ class DiagonalBase : public EigenBase<Derived>
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#ifdef EIGEN2_SUPPORT
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template<typename OtherDerived>
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EIGEN_DEVICE_FUNC
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bool isApprox(const DiagonalBase<OtherDerived>& other, typename NumTraits<Scalar>::Real precision = NumTraits<Scalar>::dummy_precision()) const
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{
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return diagonal().isApprox(other.diagonal(), precision);
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}
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template<typename OtherDerived>
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EIGEN_DEVICE_FUNC
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bool isApprox(const MatrixBase<OtherDerived>& other, typename NumTraits<Scalar>::Real precision = NumTraits<Scalar>::dummy_precision()) const
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{
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return toDenseMatrix().isApprox(other, precision);
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@@ -151,24 +167,31 @@ class DiagonalMatrix
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public:
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/** const version of diagonal(). */
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EIGEN_DEVICE_FUNC
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inline const DiagonalVectorType& diagonal() const { return m_diagonal; }
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/** \returns a reference to the stored vector of diagonal coefficients. */
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EIGEN_DEVICE_FUNC
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inline DiagonalVectorType& diagonal() { return m_diagonal; }
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/** Default constructor without initialization */
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EIGEN_DEVICE_FUNC
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inline DiagonalMatrix() {}
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/** Constructs a diagonal matrix with given dimension */
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EIGEN_DEVICE_FUNC
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inline DiagonalMatrix(Index dim) : m_diagonal(dim) {}
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/** 2D constructor. */
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EIGEN_DEVICE_FUNC
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inline DiagonalMatrix(const Scalar& x, const Scalar& y) : m_diagonal(x,y) {}
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/** 3D constructor. */
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EIGEN_DEVICE_FUNC
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inline DiagonalMatrix(const Scalar& x, const Scalar& y, const Scalar& z) : m_diagonal(x,y,z) {}
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/** Copy constructor. */
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template<typename OtherDerived>
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EIGEN_DEVICE_FUNC
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inline DiagonalMatrix(const DiagonalBase<OtherDerived>& other) : m_diagonal(other.diagonal()) {}
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#ifndef EIGEN_PARSED_BY_DOXYGEN
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@@ -178,11 +201,13 @@ class DiagonalMatrix
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/** generic constructor from expression of the diagonal coefficients */
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template<typename OtherDerived>
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EIGEN_DEVICE_FUNC
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explicit inline DiagonalMatrix(const MatrixBase<OtherDerived>& other) : m_diagonal(other)
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{}
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/** Copy operator. */
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template<typename OtherDerived>
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EIGEN_DEVICE_FUNC
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DiagonalMatrix& operator=(const DiagonalBase<OtherDerived>& other)
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{
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m_diagonal = other.diagonal();
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@@ -193,6 +218,7 @@ class DiagonalMatrix
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/** This is a special case of the templated operator=. Its purpose is to
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* prevent a default operator= from hiding the templated operator=.
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*/
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EIGEN_DEVICE_FUNC
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DiagonalMatrix& operator=(const DiagonalMatrix& other)
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{
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m_diagonal = other.diagonal();
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@@ -201,14 +227,19 @@ class DiagonalMatrix
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#endif
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/** Resizes to given size. */
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EIGEN_DEVICE_FUNC
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inline void resize(Index size) { m_diagonal.resize(size); }
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/** Sets all coefficients to zero. */
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EIGEN_DEVICE_FUNC
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inline void setZero() { m_diagonal.setZero(); }
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/** Resizes and sets all coefficients to zero. */
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EIGEN_DEVICE_FUNC
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inline void setZero(Index size) { m_diagonal.setZero(size); }
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/** Sets this matrix to be the identity matrix of the current size. */
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EIGEN_DEVICE_FUNC
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inline void setIdentity() { m_diagonal.setOnes(); }
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/** Sets this matrix to be the identity matrix of the given size. */
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EIGEN_DEVICE_FUNC
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inline void setIdentity(Index size) { m_diagonal.setOnes(size); }
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};
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@@ -255,9 +286,11 @@ class DiagonalWrapper
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#endif
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/** Constructor from expression of diagonal coefficients to wrap. */
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EIGEN_DEVICE_FUNC
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inline DiagonalWrapper(DiagonalVectorType& a_diagonal) : m_diagonal(a_diagonal) {}
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/** \returns a const reference to the wrapped expression of diagonal coefficients. */
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EIGEN_DEVICE_FUNC
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const DiagonalVectorType& diagonal() const { return m_diagonal; }
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protected:
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