re-enable writing to reversed objects

1 files changed, 6 insertions, 1 deletions

diff --git a/Eigen/src/Core/Reverse.h b/Eigen/src/Core/Reverse.h
index 5a96aeeb3..5858e684c 100644
--- a/Eigen/src/Core/Reverse.h
+++ b/Eigen/src/Core/Reverse.h
@@ -59,7 +59,7 @@ struct ei_traits<Reverse<MatrixType, Direction> >
     LinearAccess = ( (Direction==BothDirections) && (int(_MatrixTypeNested::Flags)&PacketAccessBit) )
                  ? LinearAccessBit : 0,
 
-    Flags = int(_MatrixTypeNested::Flags) & (HereditaryBits | PacketAccessBit | LinearAccess),
+    Flags = int(_MatrixTypeNested::Flags) & (HereditaryBits | PacketAccessBit | LinearAccess | DirectAccessBit),
 
     CoeffReadCost = _MatrixTypeNested::CoeffReadCost
   };
@@ -109,6 +109,11 @@ template<typename MatrixType, int Direction> class Reverse
     inline Index rows() const { return m_matrix.rows(); }
     inline Index cols() const { return m_matrix.cols(); }
 
+    inline Index innerStride() const
+    {
+      return -m_matrix.innerStride();
+    }
+
     inline Scalar& operator()(Index row, Index col)
     {
       ei_assert(row >= 0 && row < rows() && col >= 0 && col < cols());