1 /*
2  * Copyright (C) by Argonne National Laboratory
3  *     See COPYRIGHT in top-level directory
4  */
5 
6 #include "mpi.h"
7 #include <stdio.h>
8 #include "mpitest.h"
9 
main(int argc,char ** argv)10 int main(int argc, char **argv)
11 {
12     int blockcnt[2], rank;
13     MPI_Aint offsets[2], lb, ub, extent;
14     MPI_Datatype tmp_type, newtype;
15     int errs = 0;
16 
17     MTest_Init(&argc, &argv);
18 
19     /* Set some values in locations that should not be accessed */
20     blockcnt[1] = -1;
21     offsets[1] = -1;
22 
23     MPI_Comm_rank(MPI_COMM_WORLD, &rank);
24     if (rank == 0) {
25         blockcnt[0] = 1;
26         offsets[0] = 3;
27         MPI_Type_create_hindexed(1, blockcnt, offsets, MPI_BYTE, &tmp_type);
28         blockcnt[0] = 1;
29         offsets[0] = 1;
30         MPI_Type_create_hindexed(1, blockcnt, offsets, tmp_type, &newtype);
31         MPI_Type_commit(&newtype);
32 
33         MPI_Type_get_extent(newtype, &lb, &extent);
34         ub = lb + extent;
35 
36         /* Check that the results are correct */
37 #ifdef DEBUG
38         printf("lb=%ld, ub=%ld, extent=%ld\n", lb, ub, extent);
39         printf("Should be lb=4, ub=5, extent=1\n");
40 #endif
41         if (lb != 4 || ub != 5 || extent != 1) {
42             printf("lb = %d (should be 4), ub = %d (should be 5) extent = %d should be 1\n",
43                    (int) lb, (int) ub, (int) extent);
44             errs++;
45         }
46 
47         MPI_Type_free(&tmp_type);
48         MPI_Type_free(&newtype);
49     }
50 
51     MTest_Finalize(errs);
52     return MTestReturnValue(errs);
53 }
54