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-rw-r--r--Eigen/src/Core/Transpose.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/Eigen/src/Core/Transpose.h b/Eigen/src/Core/Transpose.h
index 65127d175..77865c410 100644
--- a/Eigen/src/Core/Transpose.h
+++ b/Eigen/src/Core/Transpose.h
@@ -116,6 +116,10 @@ template<typename MatrixType> class Transpose
m_matrix.const_cast_derived().template writePacket<LoadMode>(index, x);
}
+ /** \internal used for introspection */
+ const typename ei_cleantype<typename MatrixType::Nested>::type&
+ _expression() const { return m_matrix; }
+
protected:
const typename MatrixType::Nested m_matrix;
};