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270 lines
7.7 KiB
270 lines
7.7 KiB
#define PUT(x) std::cout << #x "=" << (x) << std::endl
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#include <cybozu/test.hpp>
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#include <mcl/conversion.hpp>
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#include <mcl/gmp_util.hpp>
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#include <mcl/fp.hpp>
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#include <vector>
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CYBOZU_TEST_AUTO(arrayToHex)
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{
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const struct {
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uint32_t x[4];
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size_t n;
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const char *str;
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} tbl[] = {
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{ { 0, 0, 0, 0 }, 0, "0" },
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{ { 0x123, 0, 0, 0 }, 1, "123" },
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{ { 0x12345678, 0xaabbcc, 0, 0 }, 2, "aabbcc12345678" },
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{ { 0, 0x12, 0x234a, 0 }, 3, "234a0000001200000000" },
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{ { 1, 2, 0xffffffff, 0x123abc }, 4, "123abcffffffff0000000200000001" },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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char buf[64];
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size_t n = mcl::fp::arrayToHex(buf, sizeof(buf), tbl[i].x, tbl[i].n, false);
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CYBOZU_TEST_ASSERT(n > 0);
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CYBOZU_TEST_EQUAL_ARRAY(buf + sizeof(buf) - n, tbl[i].str, n);
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n = mcl::fp::arrayToHex(buf, sizeof(buf), tbl[i].x, tbl[i].n, true);
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CYBOZU_TEST_ASSERT(n > 0);
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CYBOZU_TEST_EQUAL_ARRAY(buf + sizeof(buf) - n, (std::string("0x") + tbl[i].str).c_str(), n);
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}
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}
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CYBOZU_TEST_AUTO(arrayToBin)
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{
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const struct {
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uint32_t x[4];
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size_t n;
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const char *str;
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} tbl[] = {
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{ { 0, 0, 0, 0 }, 0, "0" },
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{ { 0x123, 0, 0, 0 }, 1, "100100011" },
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{ { 0x12345678, 0xaabbcc, 0, 0 }, 2, "10101010101110111100110000010010001101000101011001111000" },
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{ { 0, 0x12, 0x234a, 0 }, 3, "100011010010100000000000000000000000000001001000000000000000000000000000000000" },
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{ { 1, 2, 0xffffffff, 0x123abc }, 4, "100100011101010111100111111111111111111111111111111110000000000000000000000000000001000000000000000000000000000000001" },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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char buf[512];
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size_t n = mcl::fp::arrayToBin(buf, sizeof(buf), tbl[i].x, tbl[i].n, false);
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CYBOZU_TEST_ASSERT(n > 0);
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CYBOZU_TEST_EQUAL_ARRAY(buf + sizeof(buf) - n, tbl[i].str, n);
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n = mcl::fp::arrayToBin(buf, sizeof(buf), tbl[i].x, tbl[i].n, true);
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CYBOZU_TEST_ASSERT(n > 0);
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CYBOZU_TEST_EQUAL_ARRAY(buf + sizeof(buf) - n, (std::string("0b") + tbl[i].str).c_str(), n);
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}
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}
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// CYBOZU_TEST_AUTO(verifyStr) // QQQ
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CYBOZU_TEST_AUTO(hexToArray)
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{
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const struct {
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const char *str;
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uint64_t x[4];
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} tbl[] = {
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{ "0", { 0, 0, 0, 0 } },
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{ "5", { 5, 0, 0, 0 } },
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{ "123", { 0x123, 0, 0, 0 } },
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{ "123456789012345679adbc", { uint64_t(0x789012345679adbcull), 0x123456, 0, 0 } },
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{ "ffffffff26f2fc170f69466a74defd8d", { uint64_t(0x0f69466a74defd8dull), uint64_t(0xffffffff26f2fc17ull), 0, 0 } },
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{ "100000000000000000000000000000033", { uint64_t(0x0000000000000033ull), 0, 1, 0 } },
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{ "11ee12312312940000000000000000000000000002342343", { uint64_t(0x0000000002342343ull), uint64_t(0x0000000000000000ull), uint64_t(0x11ee123123129400ull), 0 } },
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{ "1234567890abcdefABCDEF123456789aba32134723424242424", { uint64_t(0x2134723424242424ull), uint64_t(0xDEF123456789aba3ull), uint64_t(0x4567890abcdefABCull), 0x123 } },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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const size_t xN = 4;
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uint64_t x[xN];
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size_t n = mcl::fp::hexToArray(x, xN, tbl[i].str, strlen(tbl[i].str));
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CYBOZU_TEST_ASSERT(n > 0);
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CYBOZU_TEST_EQUAL_ARRAY(x, tbl[i].x, n);
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}
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}
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CYBOZU_TEST_AUTO(compareArray)
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{
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const struct {
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uint32_t a[4];
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uint32_t b[4];
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size_t n;
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int expect;
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} tbl[] = {
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{ { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, 0 },
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{ { 1, 0, 0, 0 }, { 0, 0, 0, 0 }, 1, 1 },
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{ { 0, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, -1 },
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{ { 1, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, 0 },
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{ { 3, 1, 1, 0 }, { 2, 1, 1, 0 }, 4, 1 },
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{ { 9, 2, 1, 1 }, { 1, 3, 1, 1 }, 4, -1 },
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{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 3, 0 },
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{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 4, -1 },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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int e = mcl::fp::compareArray(tbl[i].a, tbl[i].b, tbl[i].n);
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CYBOZU_TEST_EQUAL(e, tbl[i].expect);
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}
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}
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CYBOZU_TEST_AUTO(isLessArray)
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{
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const struct {
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uint32_t a[4];
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uint32_t b[4];
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size_t n;
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bool expect;
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} tbl[] = {
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{ { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, false },
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{ { 1, 0, 0, 0 }, { 0, 0, 0, 0 }, 1, false },
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{ { 0, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, true },
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{ { 1, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, false },
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{ { 3, 1, 1, 0 }, { 2, 1, 1, 0 }, 4, false },
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{ { 3, 1, 2, 0 }, { 2, 2, 2, 0 }, 4, true },
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{ { 9, 2, 1, 1 }, { 1, 3, 1, 1 }, 4, true },
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{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 3, false },
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{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 4, true },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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bool e = mcl::fp::isLessArray(tbl[i].a, tbl[i].b, tbl[i].n);
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CYBOZU_TEST_EQUAL(e, tbl[i].expect);
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e = mcl::fp::isGreaterArray(tbl[i].b, tbl[i].a, tbl[i].n);
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CYBOZU_TEST_EQUAL(e, tbl[i].expect);
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}
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}
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CYBOZU_TEST_AUTO(isLessOrEqualArray)
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{
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const struct {
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uint32_t a[4];
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uint32_t b[4];
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size_t n;
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bool expect;
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} tbl[] = {
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{ { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, true },
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{ { 1, 0, 0, 0 }, { 0, 0, 0, 0 }, 1, false },
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{ { 0, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, true },
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{ { 1, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, true },
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{ { 3, 1, 1, 0 }, { 2, 1, 1, 0 }, 4, false },
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{ { 3, 1, 2, 0 }, { 2, 2, 2, 0 }, 4, true },
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{ { 9, 2, 1, 1 }, { 1, 3, 1, 1 }, 4, true },
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{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 3, true },
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{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 4, true },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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bool e = mcl::fp::isLessOrEqualArray(tbl[i].a, tbl[i].b, tbl[i].n);
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CYBOZU_TEST_EQUAL(e, tbl[i].expect);
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e = mcl::fp::isGreaterOrEqualArray(tbl[i].b, tbl[i].a, tbl[i].n);
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CYBOZU_TEST_EQUAL(e, tbl[i].expect);
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}
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}
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struct Rand {
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std::vector<uint32_t> v;
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const uint8_t *p;
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size_t pos;
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size_t endPos;
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void read(bool *pb, void *x, size_t n)
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{
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if (pos + n > endPos) {
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*pb = false;
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return;
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}
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uint8_t *dst = (uint8_t*)x;
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memcpy(dst, p + pos, n);
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pos += n;
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*pb = true;
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}
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void read(void *x, size_t n)
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{
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bool b;
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read(&b, x, n);
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if (!b) throw cybozu::Exception("Rand") << n;
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}
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uint32_t operator()()
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{
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char buf[4];
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read(buf, 4);
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uint32_t v;
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memcpy(&v, buf, 4);
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return v;
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}
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Rand(const uint32_t *x, size_t n)
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: p(0)
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, pos(0)
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{
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for (size_t i = 0; i < n; i++) {
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v.push_back(x[i]);
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}
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p = (uint8_t*)&v[0];
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endPos = v.size() * 4;
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}
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};
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CYBOZU_TEST_AUTO(maskArray)
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{
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#if 1
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const size_t n = 2;
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uint32_t org[n] = { 0xabce1234, 0xffffef32 };
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for (size_t i = 0; i <= sizeof(org) * 8; i++) {
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uint32_t x[n];
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memcpy(x, org, sizeof(org));
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mcl::fp::maskArray(x, n, i);
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mpz_class t;
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mcl::gmp::setArray(t, org, n);
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t &= (mpz_class(1) << i) - 1;
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uint32_t y[n];
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mcl::gmp::getArray(y, n, t);
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CYBOZU_TEST_EQUAL_ARRAY(x, y, n);
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}
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#else
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const size_t n = 4;
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uint16_t org[n] = { 0x1234, 0xabce, 0xef32, 0xffff };
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for (size_t i = 0; i <= sizeof(org) * 8; i++) {
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uint16_t x[n];
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memcpy(x, org, sizeof(org));
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mcl::fp::maskArray(x, n, i);
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mpz_class t;
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mcl::gmp::setArray(t, org, n);
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t &= (mpz_class(1) << i) - 1;
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uint16_t y[n];
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mcl::gmp::getArray(y, n, t);
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CYBOZU_TEST_EQUAL_ARRAY(x, y, n);
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}
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#endif
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}
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CYBOZU_TEST_AUTO(stream)
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{
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const char *nulTbl[] = { "", " ", " \t\t\n\n " };
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(nulTbl); i++) {
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const char *p = nulTbl[i];
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cybozu::MemoryInputStream is(p, strlen(p));
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std::string w = "abc";
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mcl::fp::local::loadWord(w, is);
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CYBOZU_TEST_ASSERT(w.empty());
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}
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const struct {
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const char *buf;
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const char *expect[2];
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size_t n;
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} tbl[] = {
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{ "\t\t \n\rabc\r\r\n def", { "abc", "def" }, 2 },
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{ "123", { "123" }, 1 },
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{ "123\n", { "123" }, 1 },
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{ "123 456", { "123", "456" }, 2 },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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const char *buf = tbl[i].buf;
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{
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cybozu::MemoryInputStream is(buf, strlen(buf));
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for (size_t j = 0; j < tbl[i].n; j++) {
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std::string w;
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mcl::fp::local::loadWord(w, is);
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CYBOZU_TEST_EQUAL(w, tbl[i].expect[j]);
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}
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}
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{
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std::istringstream is(buf);
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for (size_t j = 0; j < tbl[i].n; j++) {
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std::string w;
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mcl::fp::local::loadWord(w, is);
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CYBOZU_TEST_EQUAL(w, tbl[i].expect[j]);
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}
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}
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}
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}
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