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- To: eigen <eigen@xxxxxxxxxxxxxxxxxxx>
- Subject: [eigen] regression in patch aa6f0b4308ac?
- From: Daniel Lowengrub <lowdanie@xxxxxxxxx>
- Date: Thu, 22 Jul 2010 16:24:04 +0300
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Hi,
I was using SparseView() in the standard fashion [sparseMatrix.sparseView()] for debugging and started to get many errors like these:
/data/Src/eigen/Eigen/src/Sparse/SparseView.h: At global scope:
/data/Src/eigen/Eigen/src/Sparse/SparseView.h: In instantiation of ‘Eigen::SparseView<Eigen::Matrix<double, 10, 10, 0, 10, 10> >::InnerIterator’:
/data/Src/eigen/Eigen/src/Sparse/SparseMatrix.h:457: instantiated from ‘Eigen::SparseMatrix<_Scalar, _Flags, _Index>& Eigen::SparseMatrix<_Scalar, _Flags, _Index>::operator=(const Eigen::SparseMatrixBase<OtherDerived>&) [with OtherDerived = Eigen::SparseView<Eigen::Matrix<double, 10, 10, 0, 10, 10> >, _Scalar = double, int _Options = 0, _Index = int]’
sparse_view.cpp:33: instantiated from here
/data/Src/eigen/Eigen/src/Sparse/SparseView.h:62: error: ‘const Eigen::Matrix<double, 10, 10, 0, 10, 10>&’ is not a class, struct, or union type
/data/Src/eigen/Eigen/src/Sparse/SparseView.h:64: error: ‘const Eigen::Matrix<double, 10, 10, 0, 10, 10>&’ is not a class, struct, or union type
/data/Src/eigen/Eigen/src/Sparse/SparseView.h:78: error: ‘const Eigen::Matrix<double, 10, 10, 0, 10, 10>&’ is not a class, struct, or union type
/data/Src/eigen/Eigen/src/Sparse/SparseView.h:78: error: using-declaration for non-member at class scope
If I rollback to before the aa6f0b4308ac patch [makes SparseView a true sparse _expression_ and fix use of nesting types] then I stop getting the errors, from there and after I get them.
What could be causing this? Can someone please elucidate the purpose of the patch? I'm afraid I don't understand the nesting type issue.
Thanks,
Daniel