GitHub-Proxy/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2025-04-22 01:29:35 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add a default ctor to evaluator<SparseVector>.

Browse Source 
Needed for evaluator<Solve>.
This commit is contained in:
Gael Guennebaud 2016-11-06 15:20:00 +01:00
parent 4d226ab5b5
commit fc7180cda8
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Eigen/src/SparseCore/SparseVector.h
View File

@ -411,6 +411,7 @@ struct evaluator<SparseVector<_Scalar,_Options,_Index> >
: evaluator_base<SparseVector<_Scalar,_Options,_Index> > : evaluator_base<SparseVector<_Scalar,_Options,_Index> >
{ {
typedef SparseVector<_Scalar,_Options,_Index> SparseVectorType; typedef SparseVector<_Scalar,_Options,_Index> SparseVectorType;
typedef evaluator_base<SparseVectorType> Base;
typedef typename SparseVectorType::InnerIterator InnerIterator; typedef typename SparseVectorType::InnerIterator InnerIterator;
typedef typename SparseVectorType::ReverseInnerIterator ReverseInnerIterator; typedef typename SparseVectorType::ReverseInnerIterator ReverseInnerIterator;
@ -419,19 +420,21 @@ struct evaluator<SparseVector<_Scalar,_Options,_Index> >
Flags = SparseVectorType::Flags Flags = SparseVectorType::Flags
}; };
explicit evaluator(const SparseVectorType &mat) : m_matrix(mat) evaluator() : Base() {}
explicit evaluator(const SparseVectorType &mat) : m_matrix(&mat)
{ {
EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost); EIGEN_INTERNAL_CHECK_COST_VALUE(CoeffReadCost);
} }
inline Index nonZerosEstimate() const { inline Index nonZerosEstimate() const {
return m_matrix.nonZeros(); return m_matrix->nonZeros();
} }
operator SparseVectorType&() { return m_matrix.const_cast_derived(); } operator SparseVectorType&() { return m_matrix->const_cast_derived(); }
operator const SparseVectorType&() const { return m_matrix; } operator const SparseVectorType&() const { return *m_matrix; }
const SparseVectorType &m_matrix; const SparseVectorType *m_matrix;
}; };
template< typename Dest, typename Src> template< typename Dest, typename Src>