Use ParticleAccessor::set_properties() taking a Tensor.

diff --git a/examples/step-19/step-19.cc b/examples/step-19/step-19.cc
index aac35e91b85ea08ef32b873e5dd03f69ed174a0f..b197b16933fea634652791c5abd6187c539c4bff 100644 (file)
--- a/examples/step-19/step-19.cc
+++ b/examples/step-19/step-19.cc
@@ -707,7 +707,7 @@ namespace Step19
                 const Tensor<1, dim> new_velocity =
                   old_velocity + acceleration * dt;
 
-                particle->set_properties(make_array_view(new_velocity));
+                particle->set_properties(new_velocity);
 
                 // With the new velocity, we can then also update the location
                 // of the particle and tell the particle about it.