| // This file is part of Eigen, a lightweight C++ template library |
| // for linear algebra. Eigen itself is part of the KDE project. |
| // |
| // Copyright (C) 2008 Gael Guennebaud <g.gael@free.fr> |
| // |
| // Eigen is free software; you can redistribute it and/or |
| // modify it under the terms of the GNU Lesser General Public |
| // License as published by the Free Software Foundation; either |
| // version 3 of the License, or (at your option) any later version. |
| // |
| // Alternatively, you can redistribute it and/or |
| // modify it under the terms of the GNU General Public License as |
| // published by the Free Software Foundation; either version 2 of |
| // the License, or (at your option) any later version. |
| // |
| // Eigen is distributed in the hope that it will be useful, but WITHOUT ANY |
| // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the |
| // GNU General Public License for more details. |
| // |
| // You should have received a copy of the GNU Lesser General Public |
| // License and a copy of the GNU General Public License along with |
| // Eigen. If not, see <http://www.gnu.org/licenses/>. |
| |
| #ifndef EIGEN_SPARSEMATRIXBASE_H |
| #define EIGEN_SPARSEMATRIXBASE_H |
| |
| template<typename Derived> class SparseMatrixBase |
| { |
| public: |
| |
| typedef typename ei_traits<Derived>::Scalar Scalar; |
| // typedef typename Derived::InnerIterator InnerIterator; |
| |
| enum { |
| |
| RowsAtCompileTime = ei_traits<Derived>::RowsAtCompileTime, |
| /**< The number of rows at compile-time. This is just a copy of the value provided |
| * by the \a Derived type. If a value is not known at compile-time, |
| * it is set to the \a Dynamic constant. |
| * \sa MatrixBase::rows(), MatrixBase::cols(), ColsAtCompileTime, SizeAtCompileTime */ |
| |
| ColsAtCompileTime = ei_traits<Derived>::ColsAtCompileTime, |
| /**< The number of columns at compile-time. This is just a copy of the value provided |
| * by the \a Derived type. If a value is not known at compile-time, |
| * it is set to the \a Dynamic constant. |
| * \sa MatrixBase::rows(), MatrixBase::cols(), RowsAtCompileTime, SizeAtCompileTime */ |
| |
| |
| SizeAtCompileTime = (ei_size_at_compile_time<ei_traits<Derived>::RowsAtCompileTime, |
| ei_traits<Derived>::ColsAtCompileTime>::ret), |
| /**< This is equal to the number of coefficients, i.e. the number of |
| * rows times the number of columns, or to \a Dynamic if this is not |
| * known at compile-time. \sa RowsAtCompileTime, ColsAtCompileTime */ |
| |
| MaxRowsAtCompileTime = RowsAtCompileTime, |
| MaxColsAtCompileTime = ColsAtCompileTime, |
| |
| MaxSizeAtCompileTime = (ei_size_at_compile_time<MaxRowsAtCompileTime, |
| MaxColsAtCompileTime>::ret), |
| |
| IsVectorAtCompileTime = RowsAtCompileTime == 1 || ColsAtCompileTime == 1, |
| /**< This is set to true if either the number of rows or the number of |
| * columns is known at compile-time to be equal to 1. Indeed, in that case, |
| * we are dealing with a column-vector (if there is only one column) or with |
| * a row-vector (if there is only one row). */ |
| |
| Flags = ei_traits<Derived>::Flags, |
| /**< This stores expression \ref flags flags which may or may not be inherited by new expressions |
| * constructed from this one. See the \ref flags "list of flags". |
| */ |
| |
| CoeffReadCost = ei_traits<Derived>::CoeffReadCost, |
| /**< This is a rough measure of how expensive it is to read one coefficient from |
| * this expression. |
| */ |
| |
| IsRowMajor = Flags&RowMajorBit ? 1 : 0 |
| }; |
| |
| /** \internal the return type of MatrixBase::conjugate() */ |
| typedef typename ei_meta_if<NumTraits<Scalar>::IsComplex, |
| const SparseCwiseUnaryOp<ei_scalar_conjugate_op<Scalar>, Derived>, |
| const Derived& |
| >::ret ConjugateReturnType; |
| /** \internal the return type of MatrixBase::real() */ |
| typedef SparseCwiseUnaryOp<ei_scalar_real_op<Scalar>, Derived> RealReturnType; |
| /** \internal the return type of MatrixBase::imag() */ |
| typedef SparseCwiseUnaryOp<ei_scalar_imag_op<Scalar>, Derived> ImagReturnType; |
| /** \internal the return type of MatrixBase::adjoint() */ |
| typedef SparseTranspose</*NestByValue<*/typename ei_cleantype<ConjugateReturnType>::type> /*>*/ |
| AdjointReturnType; |
| |
| #ifndef EIGEN_PARSED_BY_DOXYGEN |
| /** This is the "real scalar" type; if the \a Scalar type is already real numbers |
| * (e.g. int, float or double) then \a RealScalar is just the same as \a Scalar. If |
| * \a Scalar is \a std::complex<T> then RealScalar is \a T. |
| * |
| * \sa class NumTraits |
| */ |
| typedef typename NumTraits<Scalar>::Real RealScalar; |
| |
| /** type of the equivalent square matrix */ |
| typedef Matrix<Scalar,EIGEN_ENUM_MAX(RowsAtCompileTime,ColsAtCompileTime), |
| EIGEN_ENUM_MAX(RowsAtCompileTime,ColsAtCompileTime)> SquareMatrixType; |
| |
| inline const Derived& derived() const { return *static_cast<const Derived*>(this); } |
| inline Derived& derived() { return *static_cast<Derived*>(this); } |
| inline Derived& const_cast_derived() const |
| { return *static_cast<Derived*>(const_cast<SparseMatrixBase*>(this)); } |
| #endif // not EIGEN_PARSED_BY_DOXYGEN |
| |
| /** \returns the number of rows. \sa cols(), RowsAtCompileTime */ |
| inline int rows() const { return derived().rows(); } |
| /** \returns the number of columns. \sa rows(), ColsAtCompileTime*/ |
| inline int cols() const { return derived().cols(); } |
| /** \returns the number of coefficients, which is \a rows()*cols(). |
| * \sa rows(), cols(), SizeAtCompileTime. */ |
| inline int size() const { return rows() * cols(); } |
| /** \returns the number of nonzero coefficients which is in practice the number |
| * of stored coefficients. */ |
| inline int nonZeros() const { return derived().nonZeros(); } |
| /** \returns true if either the number of rows or the number of columns is equal to 1. |
| * In other words, this function returns |
| * \code rows()==1 || cols()==1 \endcode |
| * \sa rows(), cols(), IsVectorAtCompileTime. */ |
| inline bool isVector() const { return rows()==1 || cols()==1; } |
| /** \returns the size of the storage major dimension, |
| * i.e., the number of columns for a columns major matrix, and the number of rows otherwise */ |
| int outerSize() const { return (int(Flags)&RowMajorBit) ? this->rows() : this->cols(); } |
| /** \returns the size of the inner dimension according to the storage order, |
| * i.e., the number of rows for a columns major matrix, and the number of cols otherwise */ |
| int innerSize() const { return (int(Flags)&RowMajorBit) ? this->cols() : this->rows(); } |
| |
| bool isRValue() const { return m_isRValue; } |
| Derived& markAsRValue() { m_isRValue = true; return derived(); } |
| |
| SparseMatrixBase() : m_isRValue(false) { /* TODO check flags */ } |
| |
| inline Derived& operator=(const Derived& other) |
| { |
| // std::cout << "Derived& operator=(const Derived& other)\n"; |
| // if (other.isRValue()) |
| // derived().swap(other.const_cast_derived()); |
| // else |
| this->operator=<Derived>(other); |
| return derived(); |
| } |
| |
| |
| template<typename OtherDerived> |
| inline void assignGeneric(const OtherDerived& other) |
| { |
| // std::cout << "Derived& operator=(const MatrixBase<OtherDerived>& other)\n"; |
| //const bool transpose = (Flags & RowMajorBit) != (OtherDerived::Flags & RowMajorBit); |
| ei_assert(( ((ei_traits<Derived>::SupportedAccessPatterns&OuterRandomAccessPattern)==OuterRandomAccessPattern) || |
| (!((Flags & RowMajorBit) != (OtherDerived::Flags & RowMajorBit)))) && |
| "the transpose operation is supposed to be handled in SparseMatrix::operator="); |
| |
| const int outerSize = other.outerSize(); |
| //typedef typename ei_meta_if<transpose, LinkedVectorMatrix<Scalar,Flags&RowMajorBit>, Derived>::ret TempType; |
| // thanks to shallow copies, we always eval to a tempary |
| Derived temp(other.rows(), other.cols()); |
| |
| temp.startFill(std::max(this->rows(),this->cols())*2); |
| for (int j=0; j<outerSize; ++j) |
| { |
| for (typename OtherDerived::InnerIterator it(other.derived(), j); it; ++it) |
| { |
| Scalar v = it.value(); |
| if (v!=Scalar(0)) |
| { |
| if (OtherDerived::Flags & RowMajorBit) temp.fill(j,it.index()) = v; |
| else temp.fill(it.index(),j) = v; |
| } |
| } |
| } |
| temp.endFill(); |
| |
| derived() = temp.markAsRValue(); |
| } |
| |
| |
| template<typename OtherDerived> |
| inline Derived& operator=(const SparseMatrixBase<OtherDerived>& other) |
| { |
| // std::cout << typeid(OtherDerived).name() << "\n"; |
| // std::cout << Flags << " " << OtherDerived::Flags << "\n"; |
| const bool transpose = (Flags & RowMajorBit) != (OtherDerived::Flags & RowMajorBit); |
| // std::cout << "eval transpose = " << transpose << "\n"; |
| const int outerSize = (int(OtherDerived::Flags) & RowMajorBit) ? other.rows() : other.cols(); |
| if ((!transpose) && other.isRValue()) |
| { |
| // eval without temporary |
| derived().resize(other.rows(), other.cols()); |
| derived().startFill(std::max(this->rows(),this->cols())*2); |
| for (int j=0; j<outerSize; ++j) |
| { |
| for (typename OtherDerived::InnerIterator it(other.derived(), j); it; ++it) |
| { |
| Scalar v = it.value(); |
| if (v!=Scalar(0)) |
| { |
| if (IsRowMajor) derived().fill(j,it.index()) = v; |
| else derived().fill(it.index(),j) = v; |
| } |
| } |
| } |
| derived().endFill(); |
| } |
| else |
| { |
| assignGeneric(other.derived()); |
| } |
| return derived(); |
| } |
| |
| template<typename Lhs, typename Rhs> |
| inline Derived& operator=(const SparseProduct<Lhs,Rhs,SparseTimeSparseProduct>& product); |
| |
| friend std::ostream & operator << (std::ostream & s, const SparseMatrixBase& m) |
| { |
| if (Flags&RowMajorBit) |
| { |
| for (int row=0; row<m.outerSize(); ++row) |
| { |
| int col = 0; |
| for (typename Derived::InnerIterator it(m.derived(), row); it; ++it) |
| { |
| for ( ; col<it.index(); ++col) |
| s << "0 "; |
| s << it.value() << " "; |
| ++col; |
| } |
| for ( ; col<m.cols(); ++col) |
| s << "0 "; |
| s << std::endl; |
| } |
| } |
| else |
| { |
| if (m.cols() == 1) { |
| int row = 0; |
| for (typename Derived::InnerIterator it(m.derived(), 0); it; ++it) |
| { |
| for ( ; row<it.index(); ++row) |
| s << "0" << std::endl; |
| s << it.value() << std::endl; |
| ++row; |
| } |
| for ( ; row<m.rows(); ++row) |
| s << "0" << std::endl; |
| } |
| else |
| { |
| SparseMatrix<Scalar, RowMajorBit> trans = m.derived(); |
| s << trans; |
| } |
| } |
| return s; |
| } |
| |
| const SparseCwiseUnaryOp<ei_scalar_opposite_op<typename ei_traits<Derived>::Scalar>,Derived> operator-() const; |
| |
| template<typename OtherDerived> |
| const SparseCwiseBinaryOp<ei_scalar_sum_op<typename ei_traits<Derived>::Scalar>, Derived, OtherDerived> |
| operator+(const SparseMatrixBase<OtherDerived> &other) const; |
| |
| template<typename OtherDerived> |
| const SparseCwiseBinaryOp<ei_scalar_difference_op<typename ei_traits<Derived>::Scalar>, Derived, OtherDerived> |
| operator-(const SparseMatrixBase<OtherDerived> &other) const; |
| |
| template<typename OtherDerived> |
| Derived& operator+=(const SparseMatrixBase<OtherDerived>& other); |
| template<typename OtherDerived> |
| Derived& operator-=(const SparseMatrixBase<OtherDerived>& other); |
| |
| // template<typename Lhs,typename Rhs> |
| // Derived& operator+=(const Flagged<Product<Lhs,Rhs,CacheFriendlyProduct>, 0, EvalBeforeNestingBit | EvalBeforeAssigningBit>& other); |
| |
| Derived& operator*=(const Scalar& other); |
| Derived& operator/=(const Scalar& other); |
| |
| const SparseCwiseUnaryOp<ei_scalar_multiple_op<typename ei_traits<Derived>::Scalar>, Derived> |
| operator*(const Scalar& scalar) const; |
| const SparseCwiseUnaryOp<ei_scalar_quotient1_op<typename ei_traits<Derived>::Scalar>, Derived> |
| operator/(const Scalar& scalar) const; |
| |
| inline friend const SparseCwiseUnaryOp<ei_scalar_multiple_op<typename ei_traits<Derived>::Scalar>, Derived> |
| operator*(const Scalar& scalar, const SparseMatrixBase& matrix) |
| { return matrix*scalar; } |
| |
| |
| template<typename OtherDerived> |
| const typename SparseProductReturnType<Derived,OtherDerived>::Type |
| operator*(const SparseMatrixBase<OtherDerived> &other) const; |
| |
| // dense * sparse (return a dense object) |
| template<typename OtherDerived> friend |
| const typename SparseProductReturnType<OtherDerived,Derived>::Type |
| operator*(const MatrixBase<OtherDerived>& lhs, const Derived& rhs) |
| { return typename SparseProductReturnType<OtherDerived,Derived>::Type(lhs.derived(),rhs); } |
| |
| template<typename OtherDerived> |
| const typename SparseProductReturnType<Derived,OtherDerived>::Type |
| operator*(const MatrixBase<OtherDerived> &other) const; |
| |
| template<typename OtherDerived> |
| Derived& operator*=(const SparseMatrixBase<OtherDerived>& other); |
| |
| // deprecated |
| template<typename OtherDerived> |
| typename ei_plain_matrix_type_column_major<OtherDerived>::type |
| solveTriangular(const MatrixBase<OtherDerived>& other) const; |
| |
| // deprecated |
| template<typename OtherDerived> |
| void solveTriangularInPlace(MatrixBase<OtherDerived>& other) const; |
| // template<typename OtherDerived> |
| // void solveTriangularInPlace(SparseMatrixBase<OtherDerived>& other) const; |
| |
| template<int Mode> |
| inline const SparseTriangular<Derived, Mode> triangular() const; |
| |
| template<typename OtherDerived> Scalar dot(const MatrixBase<OtherDerived>& other) const; |
| template<typename OtherDerived> Scalar dot(const SparseMatrixBase<OtherDerived>& other) const; |
| RealScalar squaredNorm() const; |
| RealScalar norm() const; |
| // const PlainMatrixType normalized() const; |
| // void normalize(); |
| |
| SparseTranspose<Derived> transpose() { return derived(); } |
| const SparseTranspose<Derived> transpose() const { return derived(); } |
| // void transposeInPlace(); |
| const AdjointReturnType adjoint() const { return conjugate()/*.nestByValue()*/; } |
| |
| // sub-vector |
| SparseInnerVectorSet<Derived,1> row(int i); |
| const SparseInnerVectorSet<Derived,1> row(int i) const; |
| SparseInnerVectorSet<Derived,1> col(int j); |
| const SparseInnerVectorSet<Derived,1> col(int j) const; |
| SparseInnerVectorSet<Derived,1> innerVector(int outer); |
| const SparseInnerVectorSet<Derived,1> innerVector(int outer) const; |
| |
| // set of sub-vectors |
| SparseInnerVectorSet<Derived,Dynamic> subrows(int start, int size); |
| const SparseInnerVectorSet<Derived,Dynamic> subrows(int start, int size) const; |
| SparseInnerVectorSet<Derived,Dynamic> subcols(int start, int size); |
| const SparseInnerVectorSet<Derived,Dynamic> subcols(int start, int size) const; |
| SparseInnerVectorSet<Derived,Dynamic> innerVectors(int outerStart, int outerSize); |
| const SparseInnerVectorSet<Derived,Dynamic> innerVectors(int outerStart, int outerSize) const; |
| |
| // typename BlockReturnType<Derived>::Type block(int startRow, int startCol, int blockRows, int blockCols); |
| // const typename BlockReturnType<Derived>::Type |
| // block(int startRow, int startCol, int blockRows, int blockCols) const; |
| // |
| // typename BlockReturnType<Derived>::SubVectorType segment(int start, int size); |
| // const typename BlockReturnType<Derived>::SubVectorType segment(int start, int size) const; |
| // |
| // typename BlockReturnType<Derived,Dynamic>::SubVectorType start(int size); |
| // const typename BlockReturnType<Derived,Dynamic>::SubVectorType start(int size) const; |
| // |
| // typename BlockReturnType<Derived,Dynamic>::SubVectorType end(int size); |
| // const typename BlockReturnType<Derived,Dynamic>::SubVectorType end(int size) const; |
| // |
| // typename BlockReturnType<Derived>::Type corner(CornerType type, int cRows, int cCols); |
| // const typename BlockReturnType<Derived>::Type corner(CornerType type, int cRows, int cCols) const; |
| // |
| // template<int BlockRows, int BlockCols> |
| // typename BlockReturnType<Derived, BlockRows, BlockCols>::Type block(int startRow, int startCol); |
| // template<int BlockRows, int BlockCols> |
| // const typename BlockReturnType<Derived, BlockRows, BlockCols>::Type block(int startRow, int startCol) const; |
| |
| // template<int CRows, int CCols> |
| // typename BlockReturnType<Derived, CRows, CCols>::Type corner(CornerType type); |
| // template<int CRows, int CCols> |
| // const typename BlockReturnType<Derived, CRows, CCols>::Type corner(CornerType type) const; |
| |
| // template<int Size> typename BlockReturnType<Derived,Size>::SubVectorType start(void); |
| // template<int Size> const typename BlockReturnType<Derived,Size>::SubVectorType start() const; |
| |
| // template<int Size> typename BlockReturnType<Derived,Size>::SubVectorType end(); |
| // template<int Size> const typename BlockReturnType<Derived,Size>::SubVectorType end() const; |
| |
| // template<int Size> typename BlockReturnType<Derived,Size>::SubVectorType segment(int start); |
| // template<int Size> const typename BlockReturnType<Derived,Size>::SubVectorType segment(int start) const; |
| |
| // DiagonalCoeffs<Derived> diagonal(); |
| // const DiagonalCoeffs<Derived> diagonal() const; |
| |
| // template<unsigned int Mode> Part<Derived, Mode> part(); |
| // template<unsigned int Mode> const Part<Derived, Mode> part() const; |
| |
| |
| // static const ConstantReturnType Constant(int rows, int cols, const Scalar& value); |
| // static const ConstantReturnType Constant(int size, const Scalar& value); |
| // static const ConstantReturnType Constant(const Scalar& value); |
| |
| // template<typename CustomNullaryOp> |
| // static const CwiseNullaryOp<CustomNullaryOp, Derived> NullaryExpr(int rows, int cols, const CustomNullaryOp& func); |
| // template<typename CustomNullaryOp> |
| // static const CwiseNullaryOp<CustomNullaryOp, Derived> NullaryExpr(int size, const CustomNullaryOp& func); |
| // template<typename CustomNullaryOp> |
| // static const CwiseNullaryOp<CustomNullaryOp, Derived> NullaryExpr(const CustomNullaryOp& func); |
| |
| // static const ConstantReturnType Zero(int rows, int cols); |
| // static const ConstantReturnType Zero(int size); |
| // static const ConstantReturnType Zero(); |
| // static const ConstantReturnType Ones(int rows, int cols); |
| // static const ConstantReturnType Ones(int size); |
| // static const ConstantReturnType Ones(); |
| // static const IdentityReturnType Identity(); |
| // static const IdentityReturnType Identity(int rows, int cols); |
| // static const BasisReturnType Unit(int size, int i); |
| // static const BasisReturnType Unit(int i); |
| // static const BasisReturnType UnitX(); |
| // static const BasisReturnType UnitY(); |
| // static const BasisReturnType UnitZ(); |
| // static const BasisReturnType UnitW(); |
| |
| // const DiagonalMatrix<Derived> asDiagonal() const; |
| |
| // Derived& setConstant(const Scalar& value); |
| // Derived& setZero(); |
| // Derived& setOnes(); |
| // Derived& setRandom(); |
| // Derived& setIdentity(); |
| |
| Matrix<Scalar,RowsAtCompileTime,ColsAtCompileTime> toDense() const |
| { |
| Matrix<Scalar,RowsAtCompileTime,ColsAtCompileTime> res(rows(),cols()); |
| res.setZero(); |
| for (int j=0; j<outerSize(); ++j) |
| { |
| for (typename Derived::InnerIterator i(derived(),j); i; ++i) |
| if(IsRowMajor) |
| res.coeffRef(j,i.index()) = i.value(); |
| else |
| res.coeffRef(i.index(),j) = i.value(); |
| } |
| return res; |
| } |
| |
| template<typename OtherDerived> |
| bool isApprox(const SparseMatrixBase<OtherDerived>& other, |
| RealScalar prec = precision<Scalar>()) const |
| { return toDense().isApprox(other.toDense(),prec); } |
| |
| template<typename OtherDerived> |
| bool isApprox(const MatrixBase<OtherDerived>& other, |
| RealScalar prec = precision<Scalar>()) const |
| { return toDense().isApprox(other,prec); } |
| // bool isMuchSmallerThan(const RealScalar& other, |
| // RealScalar prec = precision<Scalar>()) const; |
| // template<typename OtherDerived> |
| // bool isMuchSmallerThan(const MatrixBase<OtherDerived>& other, |
| // RealScalar prec = precision<Scalar>()) const; |
| |
| // bool isApproxToConstant(const Scalar& value, RealScalar prec = precision<Scalar>()) const; |
| // bool isZero(RealScalar prec = precision<Scalar>()) const; |
| // bool isOnes(RealScalar prec = precision<Scalar>()) const; |
| // bool isIdentity(RealScalar prec = precision<Scalar>()) const; |
| // bool isDiagonal(RealScalar prec = precision<Scalar>()) const; |
| |
| // bool isUpperTriangular(RealScalar prec = precision<Scalar>()) const; |
| // bool isLowerTriangular(RealScalar prec = precision<Scalar>()) const; |
| |
| // template<typename OtherDerived> |
| // bool isOrthogonal(const MatrixBase<OtherDerived>& other, |
| // RealScalar prec = precision<Scalar>()) const; |
| // bool isUnitary(RealScalar prec = precision<Scalar>()) const; |
| |
| // template<typename OtherDerived> |
| // inline bool operator==(const MatrixBase<OtherDerived>& other) const |
| // { return (cwise() == other).all(); } |
| |
| // template<typename OtherDerived> |
| // inline bool operator!=(const MatrixBase<OtherDerived>& other) const |
| // { return (cwise() != other).any(); } |
| |
| |
| template<typename NewType> |
| const SparseCwiseUnaryOp<ei_scalar_cast_op<typename ei_traits<Derived>::Scalar, NewType>, Derived> cast() const; |
| |
| /** \returns the matrix or vector obtained by evaluating this expression. |
| * |
| * Notice that in the case of a plain matrix or vector (not an expression) this function just returns |
| * a const reference, in order to avoid a useless copy. |
| */ |
| EIGEN_STRONG_INLINE const typename ei_eval<Derived>::type eval() const |
| { return typename ei_eval<Derived>::type(derived()); } |
| |
| // template<typename OtherDerived> |
| // void swap(const MatrixBase<OtherDerived>& other); |
| |
| template<unsigned int Added> |
| const SparseFlagged<Derived, Added, 0> marked() const; |
| // const Flagged<Derived, 0, EvalBeforeNestingBit | EvalBeforeAssigningBit> lazy() const; |
| |
| /** \returns number of elements to skip to pass from one row (resp. column) to another |
| * for a row-major (resp. column-major) matrix. |
| * Combined with coeffRef() and the \ref flags flags, it allows a direct access to the data |
| * of the underlying matrix. |
| */ |
| // inline int stride(void) const { return derived().stride(); } |
| |
| // inline const NestByValue<Derived> nestByValue() const; |
| |
| |
| ConjugateReturnType conjugate() const; |
| const RealReturnType real() const; |
| const ImagReturnType imag() const; |
| |
| template<typename CustomUnaryOp> |
| const SparseCwiseUnaryOp<CustomUnaryOp, Derived> unaryExpr(const CustomUnaryOp& func = CustomUnaryOp()) const; |
| |
| // template<typename CustomBinaryOp, typename OtherDerived> |
| // const CwiseBinaryOp<CustomBinaryOp, Derived, OtherDerived> |
| // binaryExpr(const MatrixBase<OtherDerived> &other, const CustomBinaryOp& func = CustomBinaryOp()) const; |
| |
| |
| Scalar sum() const; |
| // Scalar trace() const; |
| |
| // typename ei_traits<Derived>::Scalar minCoeff() const; |
| // typename ei_traits<Derived>::Scalar maxCoeff() const; |
| |
| // typename ei_traits<Derived>::Scalar minCoeff(int* row, int* col = 0) const; |
| // typename ei_traits<Derived>::Scalar maxCoeff(int* row, int* col = 0) const; |
| |
| // template<typename BinaryOp> |
| // typename ei_result_of<BinaryOp(typename ei_traits<Derived>::Scalar)>::type |
| // redux(const BinaryOp& func) const; |
| |
| // template<typename Visitor> |
| // void visit(Visitor& func) const; |
| |
| |
| const SparseCwise<Derived> cwise() const; |
| SparseCwise<Derived> cwise(); |
| |
| // inline const WithFormat<Derived> format(const IOFormat& fmt) const; |
| |
| /////////// Array module /////////// |
| /* |
| bool all(void) const; |
| bool any(void) const; |
| |
| const PartialRedux<Derived,Horizontal> rowwise() const; |
| const PartialRedux<Derived,Vertical> colwise() const; |
| |
| static const CwiseNullaryOp<ei_scalar_random_op<Scalar>,Derived> Random(int rows, int cols); |
| static const CwiseNullaryOp<ei_scalar_random_op<Scalar>,Derived> Random(int size); |
| static const CwiseNullaryOp<ei_scalar_random_op<Scalar>,Derived> Random(); |
| |
| template<typename ThenDerived,typename ElseDerived> |
| const Select<Derived,ThenDerived,ElseDerived> |
| select(const MatrixBase<ThenDerived>& thenMatrix, |
| const MatrixBase<ElseDerived>& elseMatrix) const; |
| |
| template<typename ThenDerived> |
| inline const Select<Derived,ThenDerived, NestByValue<typename ThenDerived::ConstantReturnType> > |
| select(const MatrixBase<ThenDerived>& thenMatrix, typename ThenDerived::Scalar elseScalar) const; |
| |
| template<typename ElseDerived> |
| inline const Select<Derived, NestByValue<typename ElseDerived::ConstantReturnType>, ElseDerived > |
| select(typename ElseDerived::Scalar thenScalar, const MatrixBase<ElseDerived>& elseMatrix) const; |
| |
| template<int p> RealScalar lpNorm() const; |
| */ |
| |
| |
| // template<typename OtherDerived> |
| // Scalar dot(const MatrixBase<OtherDerived>& other) const |
| // { |
| // EIGEN_STATIC_ASSERT_VECTOR_ONLY(Derived) |
| // EIGEN_STATIC_ASSERT_VECTOR_ONLY(OtherDerived) |
| // EIGEN_STATIC_ASSERT((ei_is_same_type<Scalar, typename OtherDerived::Scalar>::ret), |
| // YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY) |
| // |
| // ei_assert(derived().size() == other.size()); |
| // // short version, but the assembly looks more complicated because |
| // // of the CwiseBinaryOp iterator complexity |
| // // return res = (derived().cwise() * other.derived().conjugate()).sum(); |
| // |
| // // optimized, generic version |
| // typename Derived::InnerIterator i(derived(),0); |
| // typename OtherDerived::InnerIterator j(other.derived(),0); |
| // Scalar res = 0; |
| // while (i && j) |
| // { |
| // if (i.index()==j.index()) |
| // { |
| // // std::cerr << i.value() << " * " << j.value() << "\n"; |
| // res += i.value() * ei_conj(j.value()); |
| // ++i; ++j; |
| // } |
| // else if (i.index()<j.index()) |
| // ++i; |
| // else |
| // ++j; |
| // } |
| // return res; |
| // } |
| // |
| // Scalar sum() const |
| // { |
| // Scalar res = 0; |
| // for (typename Derived::InnerIterator iter(*this,0); iter; ++iter) |
| // { |
| // res += iter.value(); |
| // } |
| // return res; |
| // } |
| |
| #ifdef EIGEN_TAUCS_SUPPORT |
| taucs_ccs_matrix asTaucsMatrix(); |
| #endif |
| |
| #ifdef EIGEN_CHOLMOD_SUPPORT |
| cholmod_sparse asCholmodMatrix(); |
| #endif |
| |
| #ifdef EIGEN_SUPERLU_SUPPORT |
| SluMatrix asSluMatrix(); |
| #endif |
| |
| protected: |
| |
| bool m_isRValue; |
| }; |
| |
| #endif // EIGEN_SPARSEMATRIXBASE_H |
