1c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// This file is part of Eigen, a lightweight C++ template library 2c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// for linear algebra. 3c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// 4c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// Copyright (C) 2008-2009 Gael Guennebaud <gael.guennebaud@inria.fr> 5c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// 6c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// This Source Code Form is subject to the terms of the Mozilla 7c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// Public License v. 2.0. If a copy of the MPL was not distributed 8c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 9c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 10c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#ifndef EIGEN_SPARSETRANSPOSE_H 11c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#define EIGEN_SPARSETRANSPOSE_H 12c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 13c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathnamespace Eigen { 14c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 15c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathtemplate<typename MatrixType> class TransposeImpl<MatrixType,Sparse> 16c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath : public SparseMatrixBase<Transpose<MatrixType> > 17c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 18c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath typedef typename internal::remove_all<typename MatrixType::Nested>::type _MatrixTypeNested; 19c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath public: 20c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 217faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez EIGEN_SPARSE_PUBLIC_INTERFACE(Transpose<MatrixType> ) 22c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 23c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath class InnerIterator; 24c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath class ReverseInnerIterator; 25c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 26c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath inline Index nonZeros() const { return derived().nestedExpression().nonZeros(); } 27c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath}; 28c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 297faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez// NOTE: VC10 and VC11 trigger an ICE if don't put typename TransposeImpl<MatrixType,Sparse>:: in front of Index, 30c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// a typedef typename TransposeImpl<MatrixType,Sparse>::Index Index; 31c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// does not fix the issue. 32c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath// An alternative is to define the nested class in the parent class itself. 33c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathtemplate<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::InnerIterator 34c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath : public _MatrixTypeNested::InnerIterator 35c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 36c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath typedef typename _MatrixTypeNested::InnerIterator Base; 377faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez typedef typename TransposeImpl::Index Index; 38c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath public: 39c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 40c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath EIGEN_STRONG_INLINE InnerIterator(const TransposeImpl& trans, typename TransposeImpl<MatrixType,Sparse>::Index outer) 41c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath : Base(trans.derived().nestedExpression(), outer) 42c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath {} 437faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez typename TransposeImpl<MatrixType,Sparse>::Index row() const { return Base::col(); } 447faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez typename TransposeImpl<MatrixType,Sparse>::Index col() const { return Base::row(); } 45c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath}; 46c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 47c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamathtemplate<typename MatrixType> class TransposeImpl<MatrixType,Sparse>::ReverseInnerIterator 48c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath : public _MatrixTypeNested::ReverseInnerIterator 49c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath{ 50c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath typedef typename _MatrixTypeNested::ReverseInnerIterator Base; 517faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez typedef typename TransposeImpl::Index Index; 52c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath public: 53c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 54c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath EIGEN_STRONG_INLINE ReverseInnerIterator(const TransposeImpl& xpr, typename TransposeImpl<MatrixType,Sparse>::Index outer) 55c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath : Base(xpr.derived().nestedExpression(), outer) 56c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath {} 577faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez typename TransposeImpl<MatrixType,Sparse>::Index row() const { return Base::col(); } 587faaa9f3f0df9d23790277834d426c3d992ac3baCarlos Hernandez typename TransposeImpl<MatrixType,Sparse>::Index col() const { return Base::row(); } 59c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath}; 60c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 61c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath} // end namespace Eigen 62c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath 63c981c48f5bc9aefeffc0bcb0cc3934c2fae179ddNarayan Kamath#endif // EIGEN_SPARSETRANSPOSE_H 64