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68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
// 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 http://mozilla.org/MPL/2.0/.
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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 http://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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