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Added Murmur3_64. (#364)

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Branimir Karadžić
2026-01-22 21:24:41 -08:00
committed by GitHub
parent d8d7d13c85
commit ef9c17cf3d
4 changed files with 312 additions and 34 deletions
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43
tests/hash_test.cpp
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@@ -33,19 +33,20 @@ struct HashTest
uint32_t adler32;
uint32_t murmur2a;
uint32_t murmur3;
uint64_t murmur3_64;
const char* input;
};
const HashTest s_hashTest[] =
{
// Crc32 | Adler32 | Murmur2A | Murmur3 | Input
// Crc32 | Adler32 | Murmur2A | Murmur3 | Murmur3-64 | Input
// Ieee Castagnoli Koopman | | | |
{ { 0, 0, 0 }, 1, 0, 0, "" },
{ { 0xe8b7be43, 0xc1d04330, 0x0da2aa8a }, 0x00620062, 0x0803888b, 0x3c2569b2, "a" },
{ { 0x9e83486d, 0xe2a22936, 0x31ec935a }, 0x012600c4, 0x618515af, 0x9bbfd75f, "ab" },
{ { 0xc340daab, 0x49e1b6e3, 0x945a1e78 }, 0x06060205, 0x94e3dc4d, 0x1e661875, "abvgd" },
{ { 0x07642fe2, 0x45a04162, 0x3d4bf72d }, 0x020a00d6, 0xe602fc07, 0x7af40d31, "1389" },
{ { 0x26d75737, 0xb73d7b80, 0xd524eb40 }, 0x04530139, 0x58d37863, 0x0c090160, "555333" },
{ { 0, 0, 0 }, 1, 0, 0, 0, "" },
{ { 0xe8b7be43, 0xc1d04330, 0x0da2aa8a }, 0x00620062, 0x0803888b, 0x3c2569b2, 0x85555565f6597889, "a" },
{ { 0x9e83486d, 0xe2a22936, 0x31ec935a }, 0x012600c4, 0x618515af, 0x9bbfd75f, 0x938b11ea16ed1b2e, "ab" },
{ { 0xc340daab, 0x49e1b6e3, 0x945a1e78 }, 0x06060205, 0x94e3dc4d, 0x1e661875, 0xdb87036d085a1fce, "abvgd" },
{ { 0x07642fe2, 0x45a04162, 0x3d4bf72d }, 0x020a00d6, 0xe602fc07, 0x7af40d31, 0x2b40ab25c1822a45, "1389" },
{ { 0x26d75737, 0xb73d7b80, 0xd524eb40 }, 0x04530139, 0x58d37863, 0x0c090160, 0x90db44bd78197df0, "555333" },
};
TEST_CASE("HashCrc32", "[hash]")
@@ -276,3 +277,31 @@ TEST_CASE("HashMurmur3-Separate-Add", "[hash]")
hash.add("555333");
REQUIRE(MurmurHash3_x86_32("0123456789abvgd0123451389555333", 31, 0) == hash.end() );
}
TEST_CASE("HashMurmur3_64", "[hash]")
{
uint64_t seed = 0;
for (uint32_t ii = 0; ii < BX_COUNTOF(s_hashTest); ++ii)
{
const HashTest& test = s_hashTest[ii];
bx::HashMurmur3_64 hash;
hash.begin(seed);
hash.add(test.input, bx::strLen(test.input) );
const uint64_t result = hash.end();
REQUIRE(test.murmur3_64 == result);
}
}
TEST_CASE("HashMurmur3_64-Separate-Add", "[hash]")
{
bx::HashMurmur3_64 hash;
hash.begin();
hash.add("0123456789");
hash.add("abvgd012345");
hash.add("1389");
hash.add("555333");
REQUIRE(0x548456b99626b0e9 == hash.end() );
}