X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/bd76919be169a04d524d59aaad0698411793a410..95fcf20e6ef0f0cb449faddd00b5500bede028af:/src/smpi/colls/allgatherv/allgatherv-mpich-rdb.cpp

diff --git a/src/smpi/colls/allgatherv/allgatherv-mpich-rdb.cpp b/src/smpi/colls/allgatherv/allgatherv-mpich-rdb.cpp
index c094c7d9a3..9174ad8731 100644
--- a/src/smpi/colls/allgatherv/allgatherv-mpich-rdb.cpp
+++ b/src/smpi/colls/allgatherv/allgatherv-mpich-rdb.cpp
@@ -8,6 +8,7 @@
 
 #include "../colls_private.hpp"
 #include "smpi_status.hpp"
+#include <algorithm>
 
 namespace simgrid{
 namespace smpi{
@@ -48,7 +49,7 @@ int Coll_allgatherv_mpich_rdb::allgatherv (
 
   recvtype->extent(&recvtype_true_lb, &recvtype_true_extent);
 
-  tmp_buf_rl= (void*)smpi_get_tmp_sendbuffer(total_count*(MAX(recvtype_true_extent,recvtype_extent)));
+  tmp_buf_rl = (void*)smpi_get_tmp_sendbuffer(total_count * std::max(recvtype_true_extent, recvtype_extent));
 
   /* adjust for potential negative lower bound in datatype */
   tmp_buf = (void *)((char*)tmp_buf_rl - recvtype_true_lb);