From: Timo Heister <timo.heister@gmail.com>
Date: Mon, 27 Mar 2017 19:32:56 +0000 (-0400)
Subject: fix step-41 warning
X-Git-Tag: v8.5.0-rc1~2^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F4124%2Fhead;p=dealii.git

fix step-41 warning
---

diff --git a/examples/step-41/step-41.cc b/examples/step-41/step-41.cc
index b14511c069..948caed7af 100644
--- a/examples/step-41/step-41.cc
+++ b/examples/step-41/step-41.cc
@@ -439,7 +439,10 @@ namespace Step41
     TrilinosWrappers::MPI::Vector lambda (complete_index_set(dof_handler.n_dofs()));
     complete_system_matrix.residual (lambda,
                                      solution, complete_system_rhs);
-    contact_force.ratio (lambda, diagonal_of_mass_matrix);
+
+    // compute contact_force[i] = - lambda[i] * diagonal_of_mass_matrix[i]
+    contact_force = lambda;
+    contact_force.scale (diagonal_of_mass_matrix);
     contact_force *= -1;
 
     // The next step is to reset the active set and constraints objects and to