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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include <stdio.h>
#include "mpi.h"
#include "mpitest.h"
#include "mpicolltest.h"
/* Very simple test that Allreduce detects invalid (datatype,operation)
pair */
int verbose = 0;
int main(int argc, char *argv[])
{
int a, b, ierr, errs = 0;
char str[MPI_MAX_ERROR_STRING + 1];
int slen;
int is_blocking = 1;
MTestArgList *head = MTestArgListCreate(argc, argv);
if (MTestArgListGetInt_with_default(head, "nonblocking", 0)) {
is_blocking = 0;
}
MTestArgListDestroy(head);
MTest_Init(&argc, &argv);
MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
ierr = MTest_Reduce(is_blocking, &a, &b, 1, MPI_BYTE, MPI_MAX, 0, MPI_COMM_WORLD);
if (ierr == MPI_SUCCESS) {
errs++;
printf("Did not detect invalid type/op pair (byte,max) in Allreduce\n");
} else {
if (verbose) {
MPI_Error_string(ierr, str, &slen);
printf("Found expected error; message is: %s\n", str);
}
}
MPI_Comm_set_errhandler(MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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