diff options
Diffstat (limited to 'core/templates/hashfuncs.h')
| -rw-r--r-- | core/templates/hashfuncs.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/core/templates/hashfuncs.h b/core/templates/hashfuncs.h index 21eef10297..e681835c5a 100644 --- a/core/templates/hashfuncs.h +++ b/core/templates/hashfuncs.h @@ -110,6 +110,16 @@ static _FORCE_INLINE_ uint32_t hash_one_uint64(const uint64_t p_int) { return uint32_t(v); } +static _FORCE_INLINE_ uint64_t hash64_murmur3_64(uint64_t key, uint64_t seed) { + key ^= seed; + key ^= key >> 33; + key *= 0xff51afd7ed558ccd; + key ^= key >> 33; + key *= 0xc4ceb9fe1a85ec53; + key ^= key >> 33; + return key; +} + #define HASH_MURMUR3_SEED 0x7F07C65 // Murmurhash3 32-bit version. // All MurmurHash versions are public domain software, and the author disclaims all copyright to their code. @@ -393,6 +403,13 @@ struct HashMapHasherDefault { } }; +struct HashHasher { + static _FORCE_INLINE_ uint32_t hash(const int32_t hash) { return hash; } + static _FORCE_INLINE_ uint32_t hash(const uint32_t hash) { return hash; } + static _FORCE_INLINE_ uint64_t hash(const int64_t hash) { return hash; } + static _FORCE_INLINE_ uint64_t hash(const uint64_t hash) { return hash; } +}; + // TODO: Fold this into HashMapHasherDefault once C++20 concepts are allowed template <typename T> struct HashableHasher { |