X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/84f6ab110aa0bbbb1c02733c276c5ef72d65935e..1687df79d61a9418bba830bbd0ab7de16e457090:/src/smpi/colls/bcast-NTSL.c

diff --git a/src/smpi/colls/bcast-NTSL.c b/src/smpi/colls/bcast-NTSL.c
index 23a51bcca6..c9df1a7c29 100644
--- a/src/smpi/colls/bcast-NTSL.c
+++ b/src/smpi/colls/bcast-NTSL.c
@@ -1,3 +1,9 @@
+/* Copyright (c) 2013-2014. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
 #include "colls_private.h"
 
 static int bcast_NTSL_segment_size_in_byte = 8192;
@@ -28,8 +34,8 @@ int smpi_coll_tuned_bcast_NTSL(void *buf, int count, MPI_Datatype datatype,
   int from = (rank + size - 1) % size;
 
   /* segment is segment size in number of elements (not bytes) */
-  int segment = bcast_NTSL_segment_size_in_byte / extent;
-
+  int segment = extent == 0 ? 1 : (bcast_NTSL_segment_size_in_byte / extent);
+  segment =  segment == 0 ? 1 :segment; 
   /* pipeline length */
   int pipe_length = count / segment;