1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2008-2014 Gael Guennebaud <gael.guennebaud (at) inria.fr> 5 // 6 // This Source Code Form is subject to the terms of the Mozilla 7 // Public License v. 2.0. If a copy of the MPL was not distributed 8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 9 10 #ifndef EIGEN_MAPPED_SPARSEMATRIX_H 11 #define EIGEN_MAPPED_SPARSEMATRIX_H 12 13 namespace Eigen { 14 15 /** \deprecated Use Map<SparseMatrix<> > 16 * \class MappedSparseMatrix 17 * 18 * \brief Sparse matrix 19 * 20 * \param _Scalar the scalar type, i.e. the type of the coefficients 21 * 22 * See http://www.netlib.org/linalg/html_templates/node91.html for details on the storage scheme. 23 * 24 */ 25 namespace internal { 26 template<typename _Scalar, int _Flags, typename _StorageIndex> 27 struct traits<MappedSparseMatrix<_Scalar, _Flags, _StorageIndex> > : traits<SparseMatrix<_Scalar, _Flags, _StorageIndex> > 28 {}; 29 } // end namespace internal 30 31 template<typename _Scalar, int _Flags, typename _StorageIndex> 32 class MappedSparseMatrix 33 : public Map<SparseMatrix<_Scalar, _Flags, _StorageIndex> > 34 { 35 typedef Map<SparseMatrix<_Scalar, _Flags, _StorageIndex> > Base; 36 37 public: 38 39 typedef typename Base::StorageIndex StorageIndex; 40 typedef typename Base::Scalar Scalar; 41 42 inline MappedSparseMatrix(Index rows, Index cols, Index nnz, StorageIndex* outerIndexPtr, StorageIndex* innerIndexPtr, Scalar* valuePtr, StorageIndex* innerNonZeroPtr = 0) 43 : Base(rows, cols, nnz, outerIndexPtr, innerIndexPtr, valuePtr, innerNonZeroPtr) 44 {} 45 46 /** Empty destructor */ 47 inline ~MappedSparseMatrix() {} 48 }; 49 50 namespace internal { 51 52 template<typename _Scalar, int _Options, typename _StorageIndex> 53 struct evaluator<MappedSparseMatrix<_Scalar,_Options,_StorageIndex> > 54 : evaluator<SparseCompressedBase<MappedSparseMatrix<_Scalar,_Options,_StorageIndex> > > 55 { 56 typedef MappedSparseMatrix<_Scalar,_Options,_StorageIndex> XprType; 57 typedef evaluator<SparseCompressedBase<XprType> > Base; 58 59 evaluator() : Base() {} 60 explicit evaluator(const XprType &mat) : Base(mat) {} 61 }; 62 63 } 64 65 } // end namespace Eigen 66 67 #endif // EIGEN_MAPPED_SPARSEMATRIX_H 68
