1/* Test mpq_cmp_si.
2
3Copyright 2001 Free Software Foundation, Inc.
4
5This file is part of the GNU MP Library test suite.
6
7The GNU MP Library test suite is free software; you can redistribute it
8and/or modify it under the terms of the GNU General Public License as
9published by the Free Software Foundation; either version 3 of the License,
10or (at your option) any later version.
11
12The GNU MP Library test suite is distributed in the hope that it will be
13useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
15Public License for more details.
16
17You should have received a copy of the GNU General Public License along with
18the GNU MP Library test suite.  If not, see https://www.gnu.org/licenses/.  */
19
20#include <stdio.h>
21#include <stdlib.h>
22#include <limits.h>
23
24#include "gmp-impl.h"
25#include "tests.h"
26
27
28#define SGN(x)   ((x)<0 ? -1 : (x) != 0)
29
30void
31check_data (void)
32{
33  static const struct {
34    const char     *q;
35    long           n;
36    unsigned long  d;
37    int            want;
38  } data[] = {
39    { "0", 0, 1, 0 },
40    { "0", 0, 123, 0 },
41    { "0", 0, ULONG_MAX, 0 },
42    { "1", 0, 1, 1 },
43    { "1", 0, 123, 1 },
44    { "1", 0, ULONG_MAX, 1 },
45    { "-1", 0, 1, -1 },
46    { "-1", 0, 123, -1 },
47    { "-1", 0, ULONG_MAX, -1 },
48
49    { "123", 123, 1, 0 },
50    { "124", 123, 1, 1 },
51    { "122", 123, 1, -1 },
52
53    { "-123", 123, 1, -1 },
54    { "-124", 123, 1, -1 },
55    { "-122", 123, 1, -1 },
56
57    { "123", -123, 1, 1 },
58    { "124", -123, 1, 1 },
59    { "122", -123, 1, 1 },
60
61    { "-123", -123, 1, 0 },
62    { "-124", -123, 1, -1 },
63    { "-122", -123, 1, 1 },
64
65    { "5/7", 3,4, -1 },
66    { "5/7", -3,4, 1 },
67    { "-5/7", 3,4, -1 },
68    { "-5/7", -3,4, 1 },
69  };
70
71  mpq_t  q;
72  int    i, got;
73
74  mpq_init (q);
75
76  for (i = 0; i < numberof (data); i++)
77    {
78      mpq_set_str_or_abort (q, data[i].q, 0);
79      MPQ_CHECK_FORMAT (q);
80
81      got = mpq_cmp_si (q, data[i].n, data[i].d);
82      if (SGN(got) != data[i].want)
83        {
84          printf ("mpq_cmp_si wrong\n");
85        error:
86          mpq_trace ("  q", q);
87          printf ("  n=%ld\n", data[i].n);
88          printf ("  d=%lu\n", data[i].d);
89          printf ("  got=%d\n", got);
90          printf ("  want=%d\n", data[i].want);
91          abort ();
92        }
93
94      if (data[i].n == 0)
95        {
96          got = mpq_cmp_si (q, 0L, data[i].d);
97          if (SGN(got) != data[i].want)
98            {
99              printf ("mpq_cmp_si wrong\n");
100              goto error;
101            }
102        }
103    }
104
105  mpq_clear (q);
106}
107
108int
109main (int argc, char **argv)
110{
111  tests_start ();
112
113  check_data ();
114
115  tests_end ();
116  exit (0);
117}
118