From: Peter Munch <peterrmuench@gmail.com>
Date: Fri, 4 Jun 2021 10:47:30 +0000 (+0200)
Subject: Fix ambiguous call in Utilities::MPI::all_reduce
X-Git-Tag: v9.4.0-rc1~1280^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df148aeb66888e4f7434d2ed0395b2f2cb5366ae;p=dealii.git

Fix ambiguous call in Utilities::MPI::all_reduce
---

diff --git a/include/deal.II/base/mpi.templates.h b/include/deal.II/base/mpi.templates.h
index 8f7413ab1f..6c9e2eb178 100644
--- a/include/deal.II/base/mpi.templates.h
+++ b/include/deal.II/base/mpi.templates.h
@@ -621,7 +621,7 @@ namespace Utilities
       if (job_supports_mpi() && n_mpi_processes(comm) > 1)
         {
           // 1) perform reduction
-          const auto result = reduce(vec, comm, combiner);
+          const auto result = Utilities::MPI::reduce<T>(vec, comm, combiner);
 
           // 2) broadcast result
           return Utilities::MPI::broadcast(comm, result);