From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Sun, 16 Jan 2022 18:31:13 +0000 (-0700)
Subject: Use std::count_if().
X-Git-Tag: v9.4.0-rc1~590^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13073%2Fhead;p=dealii.git

Use std::count_if().
---

diff --git a/source/distributed/repartitioning_policy_tools.cc b/source/distributed/repartitioning_policy_tools.cc
index f22756fa8a..8462fda9b4 100644
--- a/source/distributed/repartitioning_policy_tools.cc
+++ b/source/distributed/repartitioning_policy_tools.cc
@@ -206,10 +206,11 @@ namespace RepartitioningPolicyTools
 
     // step 1) check if all processes have enough cells
 
-    const auto locally_owned_cells =
-      tria_in.active_cell_iterators() | IteratorFilters::LocallyOwnedCell();
     const unsigned int n_locally_owned_active_cells =
-      std::distance(locally_owned_cells.begin(), locally_owned_cells.end());
+      std::count_if(tria_in.begin_active(),
+                    typename Triangulation<dim, spacedim>::active_cell_iterator(
+                      tria_in.end()),
+                    [](const auto &cell) { return cell.is_locally_owned(); });
 
     const auto comm = tria_in.get_communicator();