Can't call vec.l1_norm() if not on all processors.

git-svn-id: https://svn.dealii.org/trunk@29579 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/tests/mpi/petsc_distribute_01.cc b/tests/mpi/petsc_distribute_01.cc
index e16f7216bef6a76d8fc79240ee9b0add3aa065e8..aba4f8ce9af622fd426032e27821614c490784e1 100644 (file)
--- a/tests/mpi/petsc_distribute_01.cc
+++ b/tests/mpi/petsc_distribute_01.cc
@@ -132,10 +132,11 @@ void test()
          exact_l1 = exact_l1 - (p*100+90) + (p*100+105);
       }
 
-    Assert (vec.l1_norm() == exact_l1, ExcInternalError());
+    const double l1_norm = vec.l1_norm();
+    Assert (l1_norm == exact_l1, ExcInternalError());
 
     if (myid == 0)
-      deallog << "Norm = " << vec.l1_norm() << std::endl;
+      deallog << "Norm = " << l1_norm << std::endl;
   }
 }