1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
/* based on the pack.c test in the mpich suite.
*/
#include "mpi.h"
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include "mpitest.h"
#include "mpitestconf.h"
#ifdef HAVE_STRING_H
#include <string.h>
#endif
static int verbose = 0;
#define BUF_SIZE 16384
int main(int argc, char *argv[]);
int parse_args(int argc, char **argv);
int main(int argc, char *argv[])
{
int errs = 0;
char buffer[BUF_SIZE];
int n, size;
double a, b;
int pos;
/* Initialize MPI */
MTest_Init(&argc, &argv);
parse_args(argc, argv);
pos = 0;
n = 10;
a = 1.1;
b = 2.2;
MPI_Pack(&n, 1, MPI_INT, buffer, BUF_SIZE, &pos, MPI_COMM_WORLD);
MPI_Pack(&a, 1, MPI_DOUBLE, buffer, BUF_SIZE, &pos, MPI_COMM_WORLD);
MPI_Pack(&b, 1, MPI_DOUBLE, buffer, BUF_SIZE, &pos, MPI_COMM_WORLD);
size = pos;
pos = 0;
n = 0;
a = 0;
b = 0;
MPI_Unpack(buffer, size, &pos, &n, 1, MPI_INT, MPI_COMM_WORLD);
MPI_Unpack(buffer, size, &pos, &a, 1, MPI_DOUBLE, MPI_COMM_WORLD);
MPI_Unpack(buffer, size, &pos, &b, 1, MPI_DOUBLE, MPI_COMM_WORLD);
/* Check results */
if (n != 10) {
errs++;
if (verbose)
fprintf(stderr, "Wrong value for n; got %d expected %d\n", n, 10);
}
if (a != 1.1) {
errs++;
if (verbose)
fprintf(stderr, "Wrong value for a; got %f expected %f\n", a, 1.1);
}
if (b != 2.2) {
errs++;
if (verbose)
fprintf(stderr, "Wrong value for b; got %f expected %f\n", b, 2.2);
}
MTest_Finalize(errs);
return MTestReturnValue(errs);
}
int parse_args(int argc, char **argv)
{
/*
* int ret;
*
* while ((ret = getopt(argc, argv, "v")) >= 0)
* {
* switch (ret) {
* case 'v':
* verbose = 1;
* break;
* }
* }
*/
if (argc > 1 && strcmp(argv[1], "-v") == 0)
verbose = 1;
return 0;
}
|
