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69 lines
2.5 KiB
C++
69 lines
2.5 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) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr>
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//
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// Eigen is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 3 of the License, or (at your option) any later version.
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//
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// Alternatively, you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License and a copy of the GNU General Public License along with
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// Eigen. If not, see <http://www.gnu.org/licenses/>.
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#ifndef EIGEN_SPARSETRANSPOSE_H
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#define EIGEN_SPARSETRANSPOSE_H
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template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>
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: public SparseMatrixBase<Transpose<MatrixType> >
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{
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typedef typename ei_cleantype<typename MatrixType::Nested>::type _MatrixTypeNested;
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public:
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EIGEN_SPARSE_PUBLIC_INTERFACE(Transpose<MatrixType>)
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class InnerIterator;
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class ReverseInnerIterator;
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inline Index nonZeros() const { return derived().nestedExpression().nonZeros(); }
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};
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template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::InnerIterator
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: public _MatrixTypeNested::InnerIterator
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{
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typedef typename _MatrixTypeNested::InnerIterator Base;
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public:
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EIGEN_STRONG_INLINE InnerIterator(const TransposeImpl& trans, Index outer)
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: Base(trans.derived().nestedExpression(), outer)
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{}
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inline Index row() const { return Base::col(); }
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inline Index col() const { return Base::row(); }
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};
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template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::ReverseInnerIterator
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: public _MatrixTypeNested::ReverseInnerIterator
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{
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typedef typename _MatrixTypeNested::ReverseInnerIterator Base;
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public:
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EIGEN_STRONG_INLINE ReverseInnerIterator(const TransposeImpl& xpr, Index outer)
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: Base(xpr.derived().nestedExpression(), outer)
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{}
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inline Index row() const { return Base::col(); }
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inline Index col() const { return Base::row(); }
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};
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#endif // EIGEN_SPARSETRANSPOSE_H
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