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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* (C) 2015 by Argonne National Laboratory.
* See COPYRIGHT in top-level directory.
*/
/* This test is going to test when Accumulate operation is working
* with pair types. */
#include "mpi.h"
#include <stdio.h>
#define DATA_SIZE 25
typedef struct long_double_int {
long double a;
int b;
} long_double_int_t;
int main(int argc, char *argv[])
{
MPI_Win win;
int errors = 0;
int rank, nproc, i;
long_double_int_t *orig_buf;
long_double_int_t *tar_buf;
MPI_Datatype vector_dtp;
MPI_Init(&argc, &argv);
MPI_Comm_size(MPI_COMM_WORLD, &nproc);
MPI_Comm_rank(MPI_COMM_WORLD, &rank);
MPI_Alloc_mem(sizeof(long_double_int_t) * DATA_SIZE, MPI_INFO_NULL, &orig_buf);
MPI_Alloc_mem(sizeof(long_double_int_t) * DATA_SIZE, MPI_INFO_NULL, &tar_buf);
for (i = 0; i < DATA_SIZE; i++) {
orig_buf[i].a = 1.0;
orig_buf[i].b = 1;
tar_buf[i].a = 0;
tar_buf[i].b = 0;
}
MPI_Type_vector(5 /* count */ , 3 /* blocklength */ , 5 /* stride */ , MPI_LONG_DOUBLE_INT,
&vector_dtp);
MPI_Type_commit(&vector_dtp);
MPI_Win_create(tar_buf, sizeof(long_double_int_t) * DATA_SIZE, sizeof(long_double_int_t),
MPI_INFO_NULL, MPI_COMM_WORLD, &win);
if (rank == 0) {
MPI_Win_lock(MPI_LOCK_SHARED, 1, 0, win);
MPI_Accumulate(orig_buf, 1, vector_dtp, 1, 0, 1, vector_dtp, MPI_MAXLOC, win);
MPI_Win_unlock(1, win);
}
MPI_Win_free(&win);
if (rank == 1) {
for (i = 0; i < DATA_SIZE; i++) {
if (i % 5 < 3) {
if (tar_buf[i].a != 1.0 || tar_buf[i].b != 1) {
errors++;
}
}
else {
if (tar_buf[i].a != 0.0 || tar_buf[i].b != 0) {
errors++;
}
}
}
}
MPI_Type_free(&vector_dtp);
MPI_Free_mem(orig_buf);
MPI_Free_mem(tar_buf);
if (rank == 1) {
if (errors == 0)
printf(" No Errors\n");
}
MPI_Finalize();
return 0;
}
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