From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 13 Jan 2022 17:58:18 +0000 (-0700)
Subject: Simplify code using std::adjacent_find.
X-Git-Tag: v9.4.0-rc1~618^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13231%2Fhead;p=dealii.git

Simplify code using std::adjacent_find.
---

diff --git a/source/base/mpi.cc b/source/base/mpi.cc
index 53ac3bbb43..6d04a9b395 100644
--- a/source/base/mpi.cc
+++ b/source/base/mpi.cc
@@ -419,12 +419,9 @@ namespace Utilities
           {
             std::vector<unsigned int> my_destinations = destinations;
             std::sort(my_destinations.begin(), my_destinations.end());
-
-            for (unsigned int i = 0; i < my_destinations.size() - 1; ++i)
-              if (my_destinations[i] == my_destinations[i + 1])
-                return false;
-
-            return true;
+            return (std::adjacent_find(my_destinations.begin(),
+                                       my_destinations.end()) ==
+                    my_destinations.end());
           }
       }();