Better document the 'transpose' flag of the Trilinos sparse matrix

git-svn-id: https://svn.dealii.org/trunk@32974 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/include/deal.II/lac/trilinos_sparse_matrix.h b/deal.II/include/deal.II/lac/trilinos_sparse_matrix.h
index c5ab727b6648044eb76e6755cda9094320f0807b..21b2f10545d10e9d0ce0d5316a3538b921eb31cd 100644 (file)
--- a/deal.II/include/deal.II/lac/trilinos_sparse_matrix.h
+++ b/deal.II/include/deal.II/lac/trilinos_sparse_matrix.h
@@ -1325,7 +1325,10 @@ namespace TrilinosWrappers
                      const TrilinosScalar          new_diag_value = 0);
 
     /**
-     * Make an in-place transpose of a matrix.
+     * Sets an internal flag so that all operations performed by the matrix,
+     * i.e., multiplications, are done in transposed order. However, this does
+     * not reshape the matrix to transposed form directly, so care should be
+     * taken when using this flag.
      */
     void transpose ();