diff options
Diffstat (limited to 'absl/hash/internal/hash.cc')
-rw-r--r-- | absl/hash/internal/hash.cc | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/absl/hash/internal/hash.cc b/absl/hash/internal/hash.cc index 1433eb9d..11451e57 100644 --- a/absl/hash/internal/hash.cc +++ b/absl/hash/internal/hash.cc @@ -18,13 +18,12 @@ namespace absl { ABSL_NAMESPACE_BEGIN namespace hash_internal { -uint64_t HashState::CombineLargeContiguousImpl32(uint64_t state, - const unsigned char* first, - size_t len) { +uint64_t MixingHashState::CombineLargeContiguousImpl32( + uint64_t state, const unsigned char* first, size_t len) { while (len >= PiecewiseChunkSize()) { - state = - Mix(state, absl::hash_internal::CityHash32(reinterpret_cast<const char*>(first), - PiecewiseChunkSize())); + state = Mix(state, + hash_internal::CityHash32(reinterpret_cast<const char*>(first), + PiecewiseChunkSize())); len -= PiecewiseChunkSize(); first += PiecewiseChunkSize(); } @@ -33,9 +32,8 @@ uint64_t HashState::CombineLargeContiguousImpl32(uint64_t state, std::integral_constant<int, 4>{}); } -uint64_t HashState::CombineLargeContiguousImpl64(uint64_t state, - const unsigned char* first, - size_t len) { +uint64_t MixingHashState::CombineLargeContiguousImpl64( + uint64_t state, const unsigned char* first, size_t len) { while (len >= PiecewiseChunkSize()) { state = Mix(state, Hash64(first, PiecewiseChunkSize())); len -= PiecewiseChunkSize(); @@ -46,23 +44,24 @@ uint64_t HashState::CombineLargeContiguousImpl64(uint64_t state, std::integral_constant<int, 8>{}); } -ABSL_CONST_INIT const void* const HashState::kSeed = &kSeed; +ABSL_CONST_INIT const void* const MixingHashState::kSeed = &kSeed; -// The salt array used by Wyhash. This array is NOT the mechanism used to make -// absl::Hash non-deterministic between program invocations. See `Seed()` for -// that mechanism. +// The salt array used by LowLevelHash. This array is NOT the mechanism used to +// make absl::Hash non-deterministic between program invocations. See `Seed()` +// for that mechanism. // // Any random values are fine. These values are just digits from the decimal // part of pi. // https://en.wikipedia.org/wiki/Nothing-up-my-sleeve_number -constexpr uint64_t kWyhashSalt[5] = { +constexpr uint64_t kHashSalt[5] = { uint64_t{0x243F6A8885A308D3}, uint64_t{0x13198A2E03707344}, uint64_t{0xA4093822299F31D0}, uint64_t{0x082EFA98EC4E6C89}, uint64_t{0x452821E638D01377}, }; -uint64_t HashState::WyhashImpl(const unsigned char* data, size_t len) { - return Wyhash(data, len, Seed(), kWyhashSalt); +uint64_t MixingHashState::LowLevelHashImpl(const unsigned char* data, + size_t len) { + return LowLevelHash(data, len, Seed(), kHashSalt); } } // namespace hash_internal |