-/* Copyright (c) 2009-2010, 2013-2018. The SimGrid Team.
+/* Copyright (c) 2009-2020. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
MPI_Init(&argc, &argv);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Comm_size(MPI_COMM_WORLD, &size);
+ MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
int count = 2;
int* sb = (int *) xbt_malloc(count * sizeof(int));
printf("%d ", sb[i]);
printf("]\n");
+ status = MPI_Gather(NULL, count, MPI_INT, rb, count, MPI_INT, root, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_BUFFER)
+ printf("MPI_Gather did not return MPI_ERR_BUFFER for empty sendbuf\n");
+ status = MPI_Gather(sb, -1, MPI_INT, rb, count, MPI_INT, root, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_COUNT)
+ printf("MPI_Gather did not return MPI_ERR_COUNT for -1 sendcount\n");
+ status = MPI_Gather(sb, count, MPI_DATATYPE_NULL, rb, count, MPI_INT, root, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_TYPE)
+ printf("MPI_Gather did not return MPI_ERR_TYPE for MPI_DATATYPE_NULL sendtype\n");
+ status = MPI_Gather(sb, count, MPI_INT, rb, count, MPI_INT, -1, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_ROOT)
+ printf("MPI_Gather did not return MPI_ERR_ROOT for root -1\n");
+ status = MPI_Gather(sb, count, MPI_INT, rb, count, MPI_INT, size+1, MPI_COMM_WORLD);
+ if(status!=MPI_ERR_ROOT)
+ printf("MPI_Gather did not return MPI_ERR_ROOT for root > size\n");
+ status = MPI_Gather(sb, count, MPI_INT, rb, count, MPI_INT, root, MPI_COMM_NULL);
+ if(status!=MPI_ERR_COMM)
+ printf("MPI_Gather did not return MPI_ERR_COMM for MPI_COMM_NULL comm\n");
+
status = MPI_Gather(sb, count, MPI_INT, rb, count, MPI_INT, root, MPI_COMM_WORLD);
if (rank == root) {
printf("]\n");
if (status != MPI_SUCCESS) {
- printf("allgather returned %d\n", status);
+ printf("gather returned %d\n", status);
fflush(stdout);
}
}