add specialization ei_ref_selector for sparse matrix types

4 files changed, 22 insertions, 2 deletions

diff --git a/Eigen/src/Sparse/DynamicSparseMatrix.h b/Eigen/src/Sparse/DynamicSparseMatrix.h
index 15135f9db..189a56bd0 100644
--- a/Eigen/src/Sparse/DynamicSparseMatrix.h
+++ b/Eigen/src/Sparse/DynamicSparseMatrix.h
@@ -57,6 +57,13 @@ struct ei_traits<DynamicSparseMatrix<_Scalar, _Flags> >
   };
 };
 
+template<typename _Scalar, int _Options>
+struct ei_ref_selector< DynamicSparseMatrix<_Scalar, _Options> >
+{
+  typedef DynamicSparseMatrix<_Scalar, _Options> MatrixType;
+  typedef MatrixType const& type;
+};
+
 template<typename _Scalar, int _Flags>
 class DynamicSparseMatrix
   : public SparseMatrixBase<DynamicSparseMatrix<_Scalar, _Flags> >
diff --git a/Eigen/src/Sparse/SparseDiagonalProduct.h b/Eigen/src/Sparse/SparseDiagonalProduct.h
index 5fb149a2c..f12ccb929 100644
--- a/Eigen/src/Sparse/SparseDiagonalProduct.h
+++ b/Eigen/src/Sparse/SparseDiagonalProduct.h
@@ -85,8 +85,7 @@ class SparseDiagonalProduct
     typedef ei_sparse_diagonal_product_inner_iterator_selector
                 <_LhsNested,_RhsNested,SparseDiagonalProduct,LhsMode,RhsMode> InnerIterator;
 
-    template<typename _Lhs, typename _Rhs>
-    EIGEN_STRONG_INLINE SparseDiagonalProduct(const _Lhs& lhs, const _Rhs& rhs)
+    EIGEN_STRONG_INLINE SparseDiagonalProduct(const Lhs& lhs, const Rhs& rhs)
       : m_lhs(lhs), m_rhs(rhs)
     {
       ei_assert(lhs.cols() == rhs.rows() && "invalid sparse matrix * diagonal matrix product");
diff --git a/Eigen/src/Sparse/SparseMatrix.h b/Eigen/src/Sparse/SparseMatrix.h
index 7010602b7..36fa123fb 100644
--- a/Eigen/src/Sparse/SparseMatrix.h
+++ b/Eigen/src/Sparse/SparseMatrix.h
@@ -57,6 +57,13 @@ struct ei_traits<SparseMatrix<_Scalar, _Options> >
 };
 
 template<typename _Scalar, int _Options>
+struct ei_ref_selector<SparseMatrix<_Scalar, _Options> >
+{
+  typedef SparseMatrix<_Scalar, _Options> MatrixType;
+  typedef MatrixType const& type;
+};
+
+template<typename _Scalar, int _Options>
 class SparseMatrix
   : public SparseMatrixBase<SparseMatrix<_Scalar, _Options> >
 {
diff --git a/Eigen/src/Sparse/SparseVector.h b/Eigen/src/Sparse/SparseVector.h
index 8c8728b87..1fa1980b2 100644
--- a/Eigen/src/Sparse/SparseVector.h
+++ b/Eigen/src/Sparse/SparseVector.h
@@ -52,6 +52,13 @@ struct ei_traits<SparseVector<_Scalar, _Options> >
 };
 
 template<typename _Scalar, int _Options>
+struct ei_ref_selector< SparseVector<_Scalar, _Options> >
+{
+  typedef SparseVector<_Scalar, _Options> MatrixType;
+  typedef MatrixType const& type;
+};
+
+template<typename _Scalar, int _Options>
 class SparseVector
   : public SparseMatrixBase<SparseVector<_Scalar, _Options> >
 {