+/* 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;
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;