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-rw-r--r--Eigen/src/Sparse/SparseUtil.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/Eigen/src/Sparse/SparseUtil.h b/Eigen/src/Sparse/SparseUtil.h
index a3b1d7ae9..b5fc7c7b7 100644
--- a/Eigen/src/Sparse/SparseUtil.h
+++ b/Eigen/src/Sparse/SparseUtil.h
@@ -147,4 +147,6 @@ template<typename T> class ei_eval<T,IsSparse>
typedef SparseMatrix<_Scalar, _Flags> type;
};
+template<typename T> struct ei_must_nest_by_value<SparseNestByValue<T> > { enum { ret = true }; };
+
#endif // EIGEN_SPARSEUTIL_H