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-rw-r--r--Eigen/src/SparseCore/SparseUtil.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Eigen/src/SparseCore/SparseUtil.h b/Eigen/src/SparseCore/SparseUtil.h
index 064a40707..05023858b 100644
--- a/Eigen/src/SparseCore/SparseUtil.h
+++ b/Eigen/src/SparseCore/SparseUtil.h
@@ -143,7 +143,7 @@ template<typename T> struct plain_matrix_type<T,Sparse>
*
* \sa SparseMatrix::setFromTriplets()
*/
-template<typename Scalar, typename Index=unsigned int>
+template<typename Scalar, typename Index=typename SparseMatrix<Scalar>::Index >
class Triplet
{
public: