- make MatrixBase and all expressions aware of their preferred traversal order.

  Honor this preference in operator=.
- add several methods to the API
- rework API for diagonal matrices
- add benchmarking code

1 files changed, 1 insertions, 0 deletions

diff --git a/Eigen/src/Core/Sum.h b/Eigen/src/Core/Sum.h
index 51dc66bfa..453033673 100644
--- a/Eigen/src/Core/Sum.h
+++ b/Eigen/src/Core/Sum.h
@@ -42,6 +42,7 @@ template<typename Lhs, typename Rhs> class Sum : NoOperatorEquals,
     }
 
   private:
+    static const TraversalOrder _Order = Lhs::Order;
     static const int _RowsAtCompileTime = Lhs::RowsAtCompileTime,
                      _ColsAtCompileTime = Rhs::ColsAtCompileTime;