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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
extern inline int libj2_j2i_cmp_ji(const struct libj2_j2i *a, intmax_t b);
/* TODO Add man page */
#else
static int
cmp_(uintmax_t a_high, uintmax_t a_low, intmax_t b)
{
struct libj2_j2i a, c;
int ret;
a.high = a_high;
a.low = a_low;
ret = libj2_j2i_cmp_ji(&a, b);
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
EXPECT(libj2_ji_cmp_j2i(b, &a) == (ret ? -ret : 0));
EXPECT(libj2_j2i_lt_ji(&a, b) == (ret < 0));
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
EXPECT(libj2_j2i_le_ji(&a, b) == (ret <= 0));
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
EXPECT(libj2_j2i_gt_ji(&a, b) == (ret > 0));
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
EXPECT(libj2_j2i_ge_ji(&a, b) == (ret >= 0));
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
EXPECT(libj2_j2i_eq_ji(&a, b) == (ret == 0));
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
EXPECT(libj2_j2i_ne_ji(&a, b) == (ret != 0));
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
EXPECT(libj2_ji_lt_j2i(b, &a) == (ret > 0));
EXPECT(libj2_ji_le_j2i(b, &a) == (ret >= 0));
EXPECT(libj2_ji_gt_j2i(b, &a) == (ret < 0));
EXPECT(libj2_ji_ge_j2i(b, &a) == (ret <= 0));
EXPECT(libj2_ji_eq_j2i(b, &a) == (ret == 0));
EXPECT(libj2_ji_ne_j2i(b, &a) == (ret != 0));
c = (struct libj2_j2i){111, 222};
libj2_j2i_max_ji_to_j2i(&a, b, &c);
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
if (ret >= 0)
EXPECT(libj2_j2i_eq_j2i(&c, &a) == 1);
if (ret <= 0)
EXPECT(libj2_j2i_eq_ji(&c, b) == 1);
c = a;
libj2_j2i_max_ji(&c, b);
if (ret >= 0)
EXPECT(libj2_j2i_eq_j2i(&c, &a) == 1);
if (ret <= 0)
EXPECT(libj2_j2i_eq_ji(&c, b) == 1);
c = (struct libj2_j2i){111, 222};
libj2_j2i_min_ji_to_j2i(&a, b, &c);
EXPECT(a.high == a_high);
EXPECT(a.low == a_low);
if (ret <= 0)
EXPECT(libj2_j2i_eq_j2i(&c, &a) == 1);
if (ret >= 0)
EXPECT(libj2_j2i_eq_ji(&c, b) == 1);
c = a;
libj2_j2i_min_ji(&c, b);
if (ret <= 0)
EXPECT(libj2_j2i_eq_j2i(&c, &a) == 1);
if (ret >= 0)
EXPECT(libj2_j2i_eq_ji(&c, b) == 1);
return ret;
}
static int
cmp(uintmax_t a_high, uintmax_t a_low, uintmax_t b)
{
struct libj2_j2i a;
int ret;
ret = cmp_(a_high, a_low, +(intmax_t)b);
EXPECT(cmp_(a_high, a_low, -(intmax_t)b) == (b ? +1 : ret));
if (!a_high && !a_low)
return ret;
a.high = a_high;
a.low = a_low;
libj2_minus_j2i(&a);
EXPECT(cmp_(a.high, a.low, +(intmax_t)b) == -1);
EXPECT(cmp_(a.high, a.low, -(intmax_t)b) == -ret);
return ret;
}
int
main(void)
{
const uintmax_t umax = UINTMAX_MAX;
const uintmax_t max = (uintmax_t)INTMAX_MAX;
const uintmax_t min = (uintmax_t)INTMAX_MIN;
EXPECT(cmp(0, 0, 0) == 0);
EXPECT(cmp(0, 1, 0) == +1);
EXPECT(cmp(1, 0, 0) == +1);
EXPECT(cmp(1, 1, 0) == +1);
EXPECT(cmp(0, umax, 0) == +1);
EXPECT(cmp(max, 0, 0) == +1);
EXPECT(cmp(max, umax, 0) == +1);
EXPECT(cmp(max, umax - 1U, 0) == +1);
EXPECT(cmp(0, 0, 1) == -1);
EXPECT(cmp(0, 1, 1) == 0);
EXPECT(cmp(1, 0, 1) == +1);
EXPECT(cmp(1, 1, 1) == +1);
EXPECT(cmp(0, umax, 1) == +1);
EXPECT(cmp(max, 0, 1) == +1);
EXPECT(cmp(max, umax, 1) == +1);
EXPECT(cmp(max, umax - 1U, 1) == +1);
EXPECT(cmp(0, 0, 2) == -1);
EXPECT(cmp(0, 1, 2) == -1);
EXPECT(cmp(1, 0, 2) == +1);
EXPECT(cmp(1, 1, 2) == +1);
EXPECT(cmp(0, umax, 2) == +1);
EXPECT(cmp(max, 0, 2) == +1);
EXPECT(cmp(max, umax, 2) == +1);
EXPECT(cmp(max, umax - 1U, 2) == +1);
EXPECT(cmp(0, 0, max) == -1);
EXPECT(cmp(0, 1, max) == -1);
EXPECT(cmp(1, 0, max) == +1);
EXPECT(cmp(1, 1, max) == +1);
EXPECT(cmp(0, umax, max) == +1);
EXPECT(cmp(0, max, max) == 0);
EXPECT(cmp(0, max + 1U, max) == +1);
EXPECT(cmp(max, 0, max) == +1);
EXPECT(cmp(max, umax, max) == +1);
EXPECT(cmp(max, umax - 1U, max) == +1);
EXPECT(cmp(0, 0, max - 1U) == -1);
EXPECT(cmp(0, 1, max - 1U) == -1);
EXPECT(cmp(1, 0, max - 1U) == +1);
EXPECT(cmp(1, 1, max - 1U) == +1);
EXPECT(cmp(0, umax, max - 1U) == +1);
EXPECT(cmp(max, 0, max - 1U) == +1);
EXPECT(cmp(max, umax, max - 1U) == +1);
EXPECT(cmp(max, umax - 1U, max - 1U) == +1);
EXPECT(cmp_(min, 0, 0) == -1);
EXPECT(cmp_(min, 0, 1) == -1);
EXPECT(cmp_(min, 0, (intmax_t)max) == -1);
EXPECT(cmp_(0, 0, (intmax_t)min) == +1);
EXPECT(cmp_(0, 1, (intmax_t)min) == +1);
EXPECT(cmp_(1, 0, (intmax_t)min) == +1);
EXPECT(cmp_(1, 1, (intmax_t)min) == +1);
EXPECT(cmp_(max, umax, (intmax_t)min) == +1);
EXPECT(cmp_(min, 1, (intmax_t)min) == -1);
EXPECT(cmp_(min, 0, (intmax_t)min) == -1);
EXPECT(cmp_(umax, min, (intmax_t)min) == 0);
return 0;
}
#endif
|
