Fixed small error: variable root not initialized, now removed

Author: thomasWeise

mpi/broadcast.c

@@ -3,18 +3,18 @@
 
 int main(int argc, char *argv[]) {
   char message[60];
-  int rank, size, root;
+  int rank, size;
   MPI_Status status;
 
   MPI_Init(&argc, &argv);
   MPI_Comm_rank(MPI_COMM_WORLD, &rank);
   MPI_Comm_size(MPI_COMM_WORLD, &size);
 
   if (rank == 0) {
-    sprintf(message, "Message from root (rank %d)", rank);
+    sprintf(message, "Message from root (rank %d).", rank);
   }
 
-  MPI_Bcast(message, 60, MPI_CHAR, root, MPI_COMM_WORLD);
+  MPI_Bcast(message, 60, MPI_CHAR, 0, MPI_COMM_WORLD);
   printf("The message sent/received at node %d is \"%s\"\n", rank, message);
 
   MPI_Finalize();