--- /dev/null
+/* -*- Mode: C; -*- */
+/* Creator: Bronis R. de Supinski (bronis@llnl.gov) */
+
+/* type-no-error-exhaustive.c -- use all group constructors correctly */
+
+#ifndef lint
+static char *rcsid =
+ "$Header: /usr/gapps/asde/cvs-vault/umpire/tests/group-no-error-exhaustive.c,v 1.2 2002/07/30 21:34:42 bronis Exp $";
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include "mpi.h"
+
+
+#define GROUP_CONSTRUCTOR_COUNT 8
+#define INTERCOMM_CREATE_TAG 666
+
+
+int
+main (int argc, char **argv)
+{
+ int nprocs = -1;
+ int rank = -1;
+ int comm = MPI_COMM_WORLD;
+ char processor_name[128];
+ int namelen = 128;
+ int i;
+ int ranks[2], ranges[1][3];
+ MPI_Group newgroup[GROUP_CONSTRUCTOR_COUNT];
+ MPI_Group newgroup2[GROUP_CONSTRUCTOR_COUNT];
+ MPI_Comm temp;
+ MPI_Comm intercomm = MPI_COMM_NULL;
+
+ /* init */
+ MPI_Init (&argc, &argv);
+ MPI_Comm_size (comm, &nprocs);
+ MPI_Comm_rank (comm, &rank);
+ MPI_Get_processor_name (processor_name, &namelen);
+ printf ("(%d) is alive on %s\n", rank, processor_name);
+ fflush (stdout);
+
+ ranks[0] = 0;
+ ranks[1] = 1;
+
+ ranges[0][0] = 0;
+ ranges[0][1] = 2;
+ ranges[0][2] = 2;
+
+ MPI_Barrier (comm);
+
+ if (nprocs < 3) {
+ printf ("requires at least 3 tasks\n");
+ }
+ else {
+ /* create the groups */
+ if (GROUP_CONSTRUCTOR_COUNT > 0)
+ MPI_Comm_group (MPI_COMM_WORLD, &newgroup[0]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 1)
+ MPI_Group_incl (newgroup[0], 2, ranks, &newgroup[1]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 2)
+ MPI_Group_excl (newgroup[0], 2, ranks, &newgroup[2]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 3)
+ MPI_Group_range_incl (newgroup[0], 1, ranges, &newgroup[3]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 4)
+ MPI_Group_range_excl (newgroup[0], 1, ranges, &newgroup[4]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 5)
+ MPI_Group_union (newgroup[1], newgroup[3], &newgroup[5]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 6)
+ MPI_Group_intersection (newgroup[5], newgroup[2], &newgroup[6]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 7)
+ MPI_Group_difference (newgroup[5], newgroup[2], &newgroup[7]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 8) {
+ /* need lots of stuff for this constructor... */
+ MPI_Comm_split (MPI_COMM_WORLD, rank % 3, nprocs - rank, &temp);
+
+ if (rank % 3) {
+ MPI_Intercomm_create (temp, 0, MPI_COMM_WORLD,
+ (((nprocs % 3) == 2) && ((rank % 3) == 2)) ?
+ nprocs - 1 : nprocs - (rank % 3) - (nprocs % 3),
+ INTERCOMM_CREATE_TAG, &intercomm);
+
+ MPI_Comm_remote_group (intercomm, &newgroup[8]);
+
+ MPI_Comm_free (&intercomm);
+ }
+ else {
+ MPI_Comm_group (temp, &newgroup[8]);
+ }
+
+ MPI_Comm_free (&temp);
+ }
+
+ for (i = 0; i < GROUP_CONSTRUCTOR_COUNT; i++)
+ MPI_Group_free (&newgroup[i]);
+
+ MPI_Barrier (comm);
+
+ /* create the groups again and free with an alias... */
+ if (GROUP_CONSTRUCTOR_COUNT > 0)
+ MPI_Comm_group (MPI_COMM_WORLD, &newgroup[0]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 1)
+ MPI_Group_incl (newgroup[0], 2, ranks, &newgroup[1]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 2)
+ MPI_Group_excl (newgroup[0], 2, ranks, &newgroup[2]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 3)
+ MPI_Group_range_incl (newgroup[0], 1, ranges, &newgroup[3]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 4)
+ MPI_Group_range_excl (newgroup[0], 1, ranges, &newgroup[4]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 5)
+ MPI_Group_union (newgroup[1], newgroup[3], &newgroup[5]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 6)
+ MPI_Group_intersection (newgroup[5], newgroup[2], &newgroup[6]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 7)
+ MPI_Group_difference (newgroup[5], newgroup[2], &newgroup[7]);
+
+ if (GROUP_CONSTRUCTOR_COUNT > 8) {
+ /* need lots of stuff for this constructor... */
+ MPI_Comm_split (MPI_COMM_WORLD, rank % 3, nprocs - rank, &temp);
+
+ if (rank % 3) {
+ MPI_Intercomm_create (temp, 0, MPI_COMM_WORLD,
+ (((nprocs % 3) == 2) && ((rank % 3) == 2)) ?
+ nprocs - 1 : nprocs - (rank % 3) - (nprocs % 3),
+ INTERCOMM_CREATE_TAG, &intercomm);
+
+ MPI_Comm_remote_group (intercomm, &newgroup[8]);
+
+ MPI_Comm_free (&intercomm);
+ }
+ else {
+ MPI_Comm_group (temp, &newgroup[8]);
+ }
+
+ MPI_Comm_free (&temp);
+ }
+
+ for (i = 0; i < GROUP_CONSTRUCTOR_COUNT; i++) {
+ newgroup2[i] = newgroup[i];
+ MPI_Group_free (&newgroup2[i]);
+ }
+ }
+
+ MPI_Barrier (comm);
+
+ printf ("(%d) Finished normally\n", rank);
+ MPI_Finalize ();
+}
+
+/* EOF */