1 files changed, 5 insertions, 4 deletions
diff --git a/Eigen/src/OrderingMethods/Ordering.h b/Eigen/src/OrderingMethods/Ordering.h
index 25792a828..7ea9b14d7 100644
--- a/Eigen/src/OrderingMethods/Ordering.h
+++ b/Eigen/src/OrderingMethods/Ordering.h
@@ -19,20 +19,21 @@ namespace internal {
     
 /** \internal
   * \ingroup OrderingMethods_Module
-  * \returns the symmetric pattern A^T+A from the input matrix A. 
+  * \param[in] A the input non-symmetric matrix
+  * \param[out] symmat the symmetric pattern A^T+A from the input matrix \a A.
   * FIXME: The values should not be considered here
   */
 template<typename MatrixType> 
-void ordering_helper_at_plus_a(const MatrixType& mat, MatrixType& symmat)
+void ordering_helper_at_plus_a(const MatrixType& A, MatrixType& symmat)
 {
   MatrixType C;
-  C = mat.transpose(); // NOTE: Could be  costly
+  C = A.transpose(); // NOTE: Could be  costly
   for (int i = 0; i < C.rows(); i++) 
   {
       for (typename MatrixType::InnerIterator it(C, i); it; ++it)
         it.valueRef() = 0.0;
   }
-  symmat = C + mat; 
+  symmat = C + A;
 }
     
 }