From: Wolfgang Bangerth <bangerth@math.tamu.edu>
Date: Thu, 7 Jan 2010 13:22:34 +0000 (+0000)
Subject: Properly size arguments to MGTools::count_dofs_per_block().
X-Git-Tag: v8.0.0~6664
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8c3495f56b41982a63a40054dfac1a59422caf6;p=dealii.git

Properly size arguments to MGTools::count_dofs_per_block().


git-svn-id: https://svn.dealii.org/trunk@20328 0785d39b-7218-0410-832d-ea1e28bc413d
---

diff --git a/deal.II/deal.II/source/multigrid/mg_transfer_block.cc b/deal.II/deal.II/source/multigrid/mg_transfer_block.cc
index 9684b3668c..c2a149d0bb 100644
--- a/deal.II/deal.II/source/multigrid/mg_transfer_block.cc
+++ b/deal.II/deal.II/source/multigrid/mg_transfer_block.cc
@@ -227,7 +227,8 @@ void MGTransferBlockBase::build_matrices (
       mg_block[i] = numbers::invalid_unsigned_int;
 
 				   // Compute the lengths of all blocks
-  sizes.resize(n_levels);
+  sizes.clear ();
+  sizes.resize(n_levels, std::vector<unsigned int>(fe.n_blocks()));
   MGTools::count_dofs_per_block(mg_dof, sizes);
 
 				   // Fill some index vectors