new MGTransferBlock::build_matrices

git-svn-id: https://svn.dealii.org/trunk@9591 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/doc/news/c-5.0.html b/deal.II/doc/news/c-5.0.html
index ee9772a7e844979a93ec9f38adbca930dc47bf1e..0845766976d060bd5653d03b61c2391824d77a95 100644 (file)
--- a/deal.II/doc/news/c-5.0.html
+++ b/deal.II/doc/news/c-5.0.html
@@ -42,6 +42,18 @@ inconvenience this causes.
 
 
 <ol>
+
+  <li> <p> Changed: The call <code
+  class="class">MGTransferBlock</code>::<code
+  class="member">build_matrices</code> and to the same function in
+  derived classes receaves a <code class="class">DoFHandler</code> as
+  an additional argument. It is needed to prebuild the transfer
+  between vectors and multigrid vectors, since the loop over all cells
+  is to slow.
+  <br>
+  (GK 2004/08/27)
+  </p>
+
   <li> <p>
        Changed: Previously, parallel PETSc matrices only took the sizes of the
        matrix and the number of rows to be stored locally as arguments. They