Doc update.

git-svn-id: https://svn.dealii.org/trunk@9146 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/lac/include/lac/petsc_parallel_sparse_matrix.h b/deal.II/lac/include/lac/petsc_parallel_sparse_matrix.h
index 93e05d0d3c903f94800f6bc828b73bea50e7a09d..4009dd85c5235042db0c566412b64937d8568bac 100644 (file)
--- a/deal.II/lac/include/lac/petsc_parallel_sparse_matrix.h
+++ b/deal.II/lac/include/lac/petsc_parallel_sparse_matrix.h
@@ -75,12 +75,14 @@ namespace PETScWrappers
                                           * whether we should tell PETSc that
                                           * the matrix is going to be symmetric
                                           * (as indicated by the call
-                                          * <tt>MatSetOption(mat,MAT_SYMMETRIC)</tt>. Note
-                                          * that the PETSc documentation states
-                                          * that one cannot form an ILU
-                                          * decomposition of a matrix for which
-                                          * this flag has been set. The default
-                                          * value of this flag is @p false.
+                                          * <tt>MatSetOption(mat,
+                                          * MAT_SYMMETRIC)</tt>. Note that the
+                                          * PETSc documentation states that one
+                                          * cannot form an ILU decomposition of
+                                          * a matrix for which this flag has
+                                          * been set to @p true, only an
+                                          * ICC. The default value of this flag
+                                          * is @p false.
                                           */
         SparseMatrix (const MPI_Comm     &communicator,
                       const unsigned int  m,
@@ -108,12 +110,14 @@ namespace PETScWrappers
                                           * whether we should tell PETSc that
                                           * the matrix is going to be symmetric
                                           * (as indicated by the call
-                                          * <tt>MatSetOption(mat,MAT_SYMMETRIC)</tt>. Note
-                                          * that the PETSc documentation states
-                                          * that one cannot form an ILU
-                                          * decomposition of a matrix for which
-                                          * this flag has been set. The default
-                                          * value of this flag is @p false.
+                                          * <tt>MatSetOption(mat,
+                                          * MAT_SYMMETRIC)</tt>. Note that the
+                                          * PETSc documentation states that one
+                                          * cannot form an ILU decomposition of
+                                          * a matrix for which this flag has
+                                          * been set to @p true, only an
+                                          * ICC. The default value of this flag
+                                          * is @p false.
                                           */
         SparseMatrix (const MPI_Comm                  &communicator,
                       const unsigned int               m,

diff --git a/deal.II/lac/include/lac/petsc_sparse_matrix.h b/deal.II/lac/include/lac/petsc_sparse_matrix.h
index 7f789b1b1e538d346138c7bb2618ce31794a8b43..68d46629b57d5f7c1691d6ddde818dfcdbe4a675 100644 (file)
--- a/deal.II/lac/include/lac/petsc_sparse_matrix.h
+++ b/deal.II/lac/include/lac/petsc_sparse_matrix.h
@@ -66,12 +66,14 @@ namespace PETScWrappers
                                         * whether we should tell PETSc that
                                         * the matrix is going to be symmetric
                                         * (as indicated by the call
-                                        * <tt>MatSetOption(mat,MAT_SYMMETRIC)</tt>. Note
-                                        * that the PETSc documentation states
-                                        * that one cannot form an ILU
-                                        * decomposition of a matrix for which
-                                        * this flag has been set. The default
-                                        * value of this flag is @p false.
+                                        * <tt>MatSetOption(mat,
+                                        * MAT_SYMMETRIC)</tt>. Note that the
+                                        * PETSc documentation states that one
+                                        * cannot form an ILU decomposition of
+                                        * a matrix for which this flag has
+                                        * been set to @p true, only an
+                                        * ICC. The default value of this flag
+                                        * is @p false.
                                         */
       SparseMatrix (const unsigned int m,
                     const unsigned int n,
@@ -97,12 +99,14 @@ namespace PETScWrappers
                                         * whether we should tell PETSc that
                                         * the matrix is going to be symmetric
                                         * (as indicated by the call
-                                        * <tt>MatSetOption(mat,MAT_SYMMETRIC)</tt>. Note
-                                        * that the PETSc documentation states
-                                        * that one cannot form an ILU
-                                        * decomposition of a matrix for which
-                                        * this flag has been set. The default
-                                        * value of this flag is @p false.
+                                        * <tt>MatSetOption(mat,
+                                        * MAT_SYMMETRIC)</tt>. Note that the
+                                        * PETSc documentation states that one
+                                        * cannot form an ILU decomposition of
+                                        * a matrix for which this flag has
+                                        * been set to @p true, only an
+                                        * ICC. The default value of this flag
+                                        * is @p false.
                                         */
       SparseMatrix (const unsigned int               m,
                     const unsigned int               n,