From 2e95e10310d1f41c6bd5d15c6902342150a00d9b Mon Sep 17 00:00:00 2001
From: kanschat <kanschat@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Tue, 1 May 2007 22:32:01 +0000
Subject: [PATCH] add isntead of set

git-svn-id: https://svn.dealii.org/trunk@14654 0785d39b-7218-0410-832d-ea1e28bc413d
---
 deal.II/deal.II/include/multigrid/mg_transfer_block.templates.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/deal.II/deal.II/include/multigrid/mg_transfer_block.templates.h b/deal.II/deal.II/include/multigrid/mg_transfer_block.templates.h
index 0ad3afee42..d9ff8a47b5 100644
--- a/deal.II/deal.II/include/multigrid/mg_transfer_block.templates.h
+++ b/deal.II/deal.II/include/multigrid/mg_transfer_block.templates.h
@@ -132,7 +132,7 @@ MGTransferBlockSelect<number>::copy_from_mg_add (
   for (unsigned int level=0;level<mg_dof_handler.get_tria().n_levels();++level)
     for (IT i= copy_indices[selected_block][level].begin();
 	 i != copy_indices[selected_block][level].end();++i)
-      dst.block(selected_block)(i->first) = src[level](i->second);
+      dst.block(selected_block)(i->first) += src[level](i->second);
 }
 
 
-- 
2.39.5