X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/77bbf3027c4240a2e833209a3a3f186589da8577..905103cd39c5edeb095e77f65a18695ac81f38dd:/src/smpi/colls/smpi_default_selector.cpp

diff --git a/src/smpi/colls/smpi_default_selector.cpp b/src/smpi/colls/smpi_default_selector.cpp
index f48c4bfe80..41fe01a7cd 100644
--- a/src/smpi/colls/smpi_default_selector.cpp
+++ b/src/smpi/colls/smpi_default_selector.cpp
@@ -1,6 +1,6 @@
 /* selector with default/naive Simgrid algorithms. These should not be trusted for performance evaluations */
 
-/* Copyright (c) 2009-2010, 2013-2017. The SimGrid Team.
+/* Copyright (c) 2009-2018. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -213,7 +213,7 @@ int Coll_reduce_default::reduce(void *sendbuf, void *recvbuf, int count, MPI_Dat
 
   int rank = comm->rank();
   int size = comm->size();
-  if(size==0)
+  if (size <= 0)
     return MPI_ERR_COMM;
   //non commutative case, use a working algo from openmpi
   if (op != MPI_OP_NULL && not op->is_commutative()) {