MPI_Comm_split is back to life.

[simgrid.git] / src / smpi / sample / reduce.c

diff --git a/src/smpi/sample/reduce.c b/src/smpi/sample/reduce.c
index b71c1a6..f7321d6 100644 (file)
--- a/src/smpi/sample/reduce.c
+++ b/src/smpi/sample/reduce.c
@@ -1,11 +1,18 @@
+/* Copyright (c) 2007, 2009, 2010. 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 root=0;
+  int root = 0;
   int value = 1;
-  int sum=-99;
+  int sum = -99;
 
   double start_timer;
 
@@ -18,9 +25,9 @@ int main (int argc, char **argv) {
 
   printf("rank %d has value %d\n", rank, value);
   MPI_Reduce(&value, &sum, 1, MPI_INT, MPI_SUM, root, MPI_COMM_WORLD);
-  if ( rank == root) {
-          printf("On root: sum=%d\n",sum);
-           printf("Elapsed time=%lf s\n", MPI_Wtime()-start_timer);
+  if (rank == root) {
+    printf("On root: sum=%d\n", sum);
+    printf("Elapsed time=%lf s\n", MPI_Wtime() - start_timer);
   }
   MPI_Finalize();
   return 0;