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
189
190
191
|
#define PUT(x) std::cout << #x "=" << (x) << std::endl
#include <mcl/conversion.hpp>
#include <cybozu/test.hpp>
CYBOZU_TEST_AUTO(toStr16)
{
const struct {
uint32_t x[4];
size_t n;
const char *str;
} tbl[] = {
{ { 0, 0, 0, 0 }, 0, "0" },
{ { 0x123, 0, 0, 0 }, 1, "123" },
{ { 0x12345678, 0xaabbcc, 0, 0 }, 2, "aabbcc12345678" },
{ { 0, 0x12, 0x234a, 0 }, 3, "234a0000001200000000" },
{ { 1, 2, 0xffffffff, 0x123abc }, 4, "123abcffffffff0000000200000001" },
};
for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
std::string str;
mcl::fp::toStr16(str, tbl[i].x, tbl[i].n, false);
CYBOZU_TEST_EQUAL(str, tbl[i].str);
mcl::fp::toStr16(str, tbl[i].x, tbl[i].n, true);
CYBOZU_TEST_EQUAL(str, std::string("0x") + tbl[i].str);
}
}
// CYBOZU_TEST_AUTO(toStr2) // QQQ
// CYBOZU_TEST_AUTO(verifyStr) // QQQ
CYBOZU_TEST_AUTO(fromStr16)
{
const struct {
const char *str;
uint64_t x[4];
} tbl[] = {
{ "0", { 0, 0, 0, 0 } },
{ "5", { 5, 0, 0, 0 } },
{ "123", { 0x123, 0, 0, 0 } },
{ "123456789012345679adbc", { uint64_t(0x789012345679adbcull), 0x123456, 0, 0 } },
{ "ffffffff26f2fc170f69466a74defd8d", { uint64_t(0x0f69466a74defd8dull), uint64_t(0xffffffff26f2fc17ull), 0, 0 } },
{ "100000000000000000000000000000033", { uint64_t(0x0000000000000033ull), 0, 1, 0 } },
{ "11ee12312312940000000000000000000000000002342343", { uint64_t(0x0000000002342343ull), uint64_t(0x0000000000000000ull), uint64_t(0x11ee123123129400ull), 0 } },
{ "1234567890abcdefABCDEF123456789aba32134723424242424", { uint64_t(0x2134723424242424ull), uint64_t(0xDEF123456789aba3ull), uint64_t(0x4567890abcdefABCull), 0x123 } },
};
for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
const size_t xN = 4;
uint64_t x[xN];
mcl::fp::fromStr16(x, xN, tbl[i].str, strlen(tbl[i].str));
for (size_t j = 0; j < xN; j++) {
CYBOZU_TEST_EQUAL(x[j], tbl[i].x[j]);
}
}
}
CYBOZU_TEST_AUTO(compareArray)
{
const struct {
uint32_t a[4];
uint32_t b[4];
size_t n;
int expect;
} tbl[] = {
{ { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, 0 },
{ { 1, 0, 0, 0 }, { 0, 0, 0, 0 }, 1, 1 },
{ { 0, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, -1 },
{ { 1, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, 0 },
{ { 3, 1, 1, 0 }, { 2, 1, 1, 0 }, 4, 1 },
{ { 9, 2, 1, 1 }, { 1, 3, 1, 1 }, 4, -1 },
{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 3, 0 },
{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 4, -1 },
};
for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
int e = mcl::fp::compareArray(tbl[i].a, tbl[i].b, tbl[i].n);
CYBOZU_TEST_EQUAL(e, tbl[i].expect);
}
}
CYBOZU_TEST_AUTO(isLessArray)
{
const struct {
uint32_t a[4];
uint32_t b[4];
size_t n;
bool expect;
} tbl[] = {
{ { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, false },
{ { 1, 0, 0, 0 }, { 0, 0, 0, 0 }, 1, false },
{ { 0, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, true },
{ { 1, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, false },
{ { 3, 1, 1, 0 }, { 2, 1, 1, 0 }, 4, false },
{ { 3, 1, 2, 0 }, { 2, 2, 2, 0 }, 4, true },
{ { 9, 2, 1, 1 }, { 1, 3, 1, 1 }, 4, true },
{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 3, false },
{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 4, true },
};
for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
bool e = mcl::fp::isLessArray(tbl[i].a, tbl[i].b, tbl[i].n);
CYBOZU_TEST_EQUAL(e, tbl[i].expect);
e = mcl::fp::isGreaterArray(tbl[i].b, tbl[i].a, tbl[i].n);
CYBOZU_TEST_EQUAL(e, tbl[i].expect);
}
}
CYBOZU_TEST_AUTO(isLessOrEqualArray)
{
const struct {
uint32_t a[4];
uint32_t b[4];
size_t n;
bool expect;
} tbl[] = {
{ { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, true },
{ { 1, 0, 0, 0 }, { 0, 0, 0, 0 }, 1, false },
{ { 0, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, true },
{ { 1, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, true },
{ { 3, 1, 1, 0 }, { 2, 1, 1, 0 }, 4, false },
{ { 3, 1, 2, 0 }, { 2, 2, 2, 0 }, 4, true },
{ { 9, 2, 1, 1 }, { 1, 3, 1, 1 }, 4, true },
{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 3, true },
{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 4, true },
};
for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
bool e = mcl::fp::isLessOrEqualArray(tbl[i].a, tbl[i].b, tbl[i].n);
CYBOZU_TEST_EQUAL(e, tbl[i].expect);
e = mcl::fp::isGreaterOrEqualArray(tbl[i].b, tbl[i].a, tbl[i].n);
CYBOZU_TEST_EQUAL(e, tbl[i].expect);
}
}
struct Rand {
std::vector<uint32_t> v;
size_t pos;
int count;
void read(uint32_t *x, size_t n)
{
if (v.size() < pos + n) throw cybozu::Exception("Rand:get:bad n") << v.size() << pos << n;
std::copy(v.begin() + pos, v.begin() + pos + n, x);
pos += n;
count++;
}
Rand(const uint32_t *x, size_t n)
: pos(0)
, count(0)
{
for (size_t i = 0; i < n; i++) {
v.push_back(x[i]);
}
}
};
CYBOZU_TEST_AUTO(getRandVal)
{
const size_t rn = 8;
const struct {
uint32_t r[rn];
uint32_t mod[2];
size_t bitSize;
int count;
uint32_t expect[2];
} tbl[] = {
{ { 1, 2, 3, 4, 5, 6, 7, 8 }, { 5, 6 }, 64, 1, { 1, 2 } },
{ { 0xfffffffc, 0x7, 3, 4, 5, 6, 7, 8 }, { 0xfffffffe, 0x3 }, 34, 1, { 0xfffffffc, 0x3 } },
{ { 0xfffffffc, 0x7, 3, 4, 5, 6, 7, 8 }, { 0xfffffffb, 0x3 }, 34, 2, { 3, 0 } },
{ { 2, 3, 5, 7, 4, 3, 0, 3 }, { 1, 0x3 }, 34, 4, { 0, 3 } },
};
for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
Rand rg(tbl[i].r, rn);
uint32_t out[2];
mcl::fp::getRandVal(out, rg, tbl[i].mod, tbl[i].bitSize);
CYBOZU_TEST_EQUAL(out[0], tbl[i].expect[0]);
CYBOZU_TEST_EQUAL(out[1], tbl[i].expect[1]);
CYBOZU_TEST_EQUAL(rg.count, tbl[i].count);
}
}
CYBOZU_TEST_AUTO(maskArray)
{
const size_t n = 4;
uint16_t org[n] = { 0x1234, 0xabce, 0xef32, 0xffff };
for (size_t i = 0; i <= sizeof(org) * 8; i++) {
uint16_t x[n];
memcpy(x, org, sizeof(org));
mcl::fp::maskArray(x, n, i);
mpz_class t;
mcl::Gmp::setArray(t, org, n);
t &= (mpz_class(1) << i) - 1;
uint16_t y[n];
mcl::Gmp::getArray(y, n, t);
CYBOZU_TEST_EQUAL_ARRAY(x, y, n);
}
}
|
