From: Timo Heister <timo.heister@gmail.com>
Date: Mon, 27 May 2013 08:12:15 +0000 (+0000)
Subject: step-50: do not copy coarse matrix
X-Git-Tag: v8.0.0~404
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b1ba6301b9c48b4de26ced50623fca4d87b8474d;p=dealii.git

step-50: do not copy coarse matrix

git-svn-id: https://svn.dealii.org/trunk@29633 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/examples/step-50/step-50.cc b/deal.II/examples/step-50/step-50.cc
index 7bdde8d208..e87ffec218 100644
--- a/deal.II/examples/step-50/step-50.cc
+++ b/deal.II/examples/step-50/step-50.cc
@@ -820,8 +820,8 @@ namespace Step50
     // pass it as an argument.
     mg_transfer.build_matrices(mg_dof_handler);
 
-    matrix_t coarse_matrix;
-    coarse_matrix.copy_from (mg_matrices[0]);
+    matrix_t & coarse_matrix = mg_matrices[0];
+    //coarse_matrix.copy_from (mg_matrices[0]);
     //MGCoarseGridHouseholder<double,vector_t> coarse_grid_solver;
     //coarse_grid_solver.initialize (coarse_matrix);
 
@@ -1020,7 +1020,7 @@ namespace Step50
             // static const HyperBallBoundary<dim> boundary;
             // triangulation.set_boundary (0, boundary);
 
-            triangulation.refine_global (3);
+            triangulation.refine_global (1);
           }
         else
           triangulation.refine_global (1);