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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"
int main(int argc, char *argv[])
{
int errs = 0;
int position, pack_size, i;
int dis[2], blklens[2];
MPI_Datatype type;
int send_buffer[60];
int recv_buffer[60];
int pack_buffer[1000];
MTest_Init(&argc, &argv);
/* Initialize data in the buffers */
for (i = 0; i < 60; i++) {
send_buffer[i] = i;
recv_buffer[i] = -1;
pack_buffer[i] = -2;
}
/* Create an indexed type with an empty first block */
dis[0] = 0;
dis[1] = 20;
blklens[0] = 0;
blklens[1] = 40;
MPI_Type_indexed(2, blklens, dis, MPI_INT, &type);
MPI_Type_commit(&type);
position = 0;
MPI_Pack(send_buffer, 1, type, pack_buffer, sizeof(pack_buffer), &position, MPI_COMM_WORLD);
pack_size = position;
position = 0;
MPI_Unpack(pack_buffer, pack_size, &position, recv_buffer, 1, type, MPI_COMM_WORLD);
/* Check that the last 40 entries of the recv_buffer have the corresponding
* elements from the send buffer */
for (i = 0; i < 20; i++) {
if (recv_buffer[i] != -1) {
errs++;
fprintf(stderr, "recv_buffer[%d] = %d, should = -1\n", i, recv_buffer[i]);
}
}
for (i = 20; i < 60; i++) {
if (recv_buffer[i] != i) {
errs++;
fprintf(stderr, "recv_buffer[%d] = %d, should = %d\n", i, recv_buffer[i], i);
}
}
MPI_Type_free(&type);
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
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