Merge branch 'master' of git+ssh://scm.gforge.inria.fr//gitroot//simgrid/simgrid

[simgrid.git] / examples / smpi / bcast.c

diff --git a/examples/smpi/bcast.c b/examples/smpi/bcast.c
index 608c5c3..72ad419 100644 (file)
--- a/examples/smpi/bcast.c
+++ b/examples/smpi/bcast.c
@@ -1,31 +1,40 @@
+/* Copyright (c) 2009. 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 <stdio.h>
 #include <mpi.h>
 
-int main (int argc, char **argv) {
+int main(int argc, char **argv)
+{
   int size, rank;
   int value = 3;
   double start_timer;
-   int quiet = 0;
+  int quiet = 0;
 
   MPI_Init(&argc, &argv);
   MPI_Comm_size(MPI_COMM_WORLD, &size);
   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
 
-   if (argc > 1 && !strcmp(argv[1],"-q")) 
-     quiet=1;
-   
+  if (argc > 1 && !strcmp(argv[1], "-q"))
+    quiet = 1;
+
   start_timer = MPI_Wtime();
 
   if (0 == rank) {
     value = 17;
   }
-  printf("node %d has value %d before broadcast\n", rank, value);
   MPI_Bcast(&value, 1, MPI_INT, 0, MPI_COMM_WORLD);
-  printf("node %d has value %d after broadcast\n", rank, value);
+  if (value != 17) {
+    printf("node %d has value %d after broadcast\n", rank, value);
+  }
 
-  MPI_Barrier( MPI_COMM_WORLD );
-  if ( 0 == rank && !quiet)
-           printf("Elapsed time on rank %d: %lf s\n", rank, MPI_Wtime()-start_timer);
+  MPI_Barrier(MPI_COMM_WORLD);
+  if (0 == rank && !quiet)
+    printf("Elapsed time on rank %d: %lf s\n", rank,
+           MPI_Wtime() - start_timer);
   MPI_Finalize();
   return 0;
 }