From c8cc04973c49760b6cad48d51f0af628b710ac9a Mon Sep 17 00:00:00 2001
From: bangerth <bangerth@0785d39b-7218-0410-832d-ea1e28bc413d>
Date: Mon, 3 Oct 2011 02:39:40 +0000
Subject: [PATCH] Suppress output to screen.

git-svn-id: https://svn.dealii.org/trunk@24507 0785d39b-7218-0410-832d-ea1e28bc413d
---
 tests/mpi/p4est_2d_ghost_02.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tests/mpi/p4est_2d_ghost_02.cc b/tests/mpi/p4est_2d_ghost_02.cc
index 51e2204a90..f079de80ae 100644
--- a/tests/mpi/p4est_2d_ghost_02.cc
+++ b/tests/mpi/p4est_2d_ghost_02.cc
@@ -93,9 +93,11 @@ void test()
 		}
 	    }
 
-	  deallog << "Checksum: "
-		  << tr.get_checksum ()
-		  << std::endl;
+	  const unsigned int checksum = tr.get_checksum ();
+	  if (Utilities::MPI::this_mpi_process (MPI_COMM_WORLD) == 0)
+	    deallog << "Checksum: "
+		    << checksum
+		    << std::endl;
 
 	  Assert (tr.n_global_active_cells() ==
 		  static_cast<unsigned int>(std::pow (1.*GeometryInfo<dim>::max_children_per_cell, i+1)),
-- 
2.39.5