X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/aedc7f54098826e18dc8c2bf32594e9baeb3832f..bdebd1432527a032fe2a9141bc1ced07cfc083dc:/src/smpi/smpi_group.c

diff --git a/src/smpi/smpi_group.c b/src/smpi/smpi_group.c
index 921f71910e..e9ab955515 100644
--- a/src/smpi/smpi_group.c
+++ b/src/smpi/smpi_group.c
@@ -155,3 +155,25 @@ int smpi_group_compare(MPI_Group group1, MPI_Group group2)
   }
   return result;
 }
+
+int smpi_group_incl(MPI_Group group, int n, int* ranks, MPI_Group* newgroup)
+{
+  int i=0, index=0;
+  if (n == 0) {
+    *newgroup = MPI_GROUP_EMPTY;
+  } else if (n == smpi_group_size(group)) {
+    *newgroup = group;
+    if(group!= smpi_comm_group(MPI_COMM_WORLD)
+              && group != MPI_GROUP_NULL
+              && group != smpi_comm_group(MPI_COMM_SELF)
+              && group != MPI_GROUP_EMPTY)
+    smpi_group_use(group);
+  } else {
+    *newgroup = smpi_group_new(n);
+    for (i = 0; i < n; i++) {
+      index = smpi_group_index(group, ranks[i]);
+      smpi_group_set_mapping(*newgroup, index, i);
+    }
+  }
+  return MPI_SUCCESS;
+}