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67 lines
2.1 KiB
67 lines
2.1 KiB
// This file is part of Eigen, a lightweight C++ template library |
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// for linear algebra. |
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// |
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// Copyright (C) 2008-2014 Gael Guennebaud <gael.guennebaud@inria.fr> |
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// |
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// This Source Code Form is subject to the terms of the Mozilla |
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// Public License v. 2.0. If a copy of the MPL was not distributed |
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// with this file, You can obtain one at the mozilla.org home page |
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#ifndef EIGEN_MAPPED_SPARSEMATRIX_H |
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#define EIGEN_MAPPED_SPARSEMATRIX_H |
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namespace Eigen { |
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/** \deprecated Use Map<SparseMatrix<> > |
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* \class MappedSparseMatrix |
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* |
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* \brief Sparse matrix |
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* |
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* \param _Scalar the scalar type, i.e. the type of the coefficients |
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* |
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* See xxxp://www.netlib.org/linalg/html_templates/node91.html for details on the storage scheme. |
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* |
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*/ |
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namespace internal { |
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template<typename _Scalar, int _Flags, typename _StorageIndex> |
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struct traits<MappedSparseMatrix<_Scalar, _Flags, _StorageIndex> > : traits<SparseMatrix<_Scalar, _Flags, _StorageIndex> > |
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{}; |
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} // end namespace internal |
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template<typename _Scalar, int _Flags, typename _StorageIndex> |
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class MappedSparseMatrix |
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: public Map<SparseMatrix<_Scalar, _Flags, _StorageIndex> > |
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{ |
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typedef Map<SparseMatrix<_Scalar, _Flags, _StorageIndex> > Base; |
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public: |
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typedef typename Base::StorageIndex StorageIndex; |
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typedef typename Base::Scalar Scalar; |
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inline MappedSparseMatrix(Index rows, Index cols, Index nnz, StorageIndex* outerIndexPtr, StorageIndex* innerIndexPtr, Scalar* valuePtr, StorageIndex* innerNonZeroPtr = 0) |
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: Base(rows, cols, nnz, outerIndexPtr, innerIndexPtr, valuePtr, innerNonZeroPtr) |
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{} |
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/** Empty destructor */ |
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inline ~MappedSparseMatrix() {} |
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}; |
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namespace internal { |
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template<typename _Scalar, int _Options, typename _StorageIndex> |
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struct evaluator<MappedSparseMatrix<_Scalar,_Options,_StorageIndex> > |
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: evaluator<SparseCompressedBase<MappedSparseMatrix<_Scalar,_Options,_StorageIndex> > > |
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{ |
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typedef MappedSparseMatrix<_Scalar,_Options,_StorageIndex> XprType; |
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typedef evaluator<SparseCompressedBase<XprType> > Base; |
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evaluator() : Base() {} |
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explicit evaluator(const XprType &mat) : Base(mat) {} |
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}; |
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} |
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} // end namespace Eigen |
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#endif // EIGEN_MAPPED_SPARSEMATRIX_H
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