From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Mon, 18 May 2020 23:19:05 +0000 (-0600)
Subject: Use mpi_communicator instead of MPI_COMM_WORLD.
X-Git-Tag: v9.2.0-rc3~1^2~6
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=371e37cf3f8fb2743fb405b243848f765bdf9ce9;p=dealii.git

Use mpi_communicator instead of MPI_COMM_WORLD.
---

diff --git a/examples/step-70/step-70.cc b/examples/step-70/step-70.cc
index d3e35dc9ec..9ea88cc6e0 100644
--- a/examples/step-70/step-70.cc
+++ b/examples/step-70/step-70.cc
@@ -910,7 +910,7 @@ namespace Step70
 
     // and gather the information from all participating processes
     global_fluid_bounding_boxes =
-      Utilities::MPI::all_gather(MPI_COMM_WORLD, local_boxes);
+      Utilities::MPI::all_gather(mpi_communicator, local_boxes);
 
 
     // Finally generate the particles from the support points of the