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src/support/hashing.h
45 строк
1 KB
Jameson Nash
remove some unnecessary header content and exports
05 ноя 2021, 21:43
05 ноя 2021, 21:43
439816a
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// This file is a part of Julia. License is MIT: https://julialang.org/license #ifndef JL_HASHING_H #define JL_HASHING_H #include "utils.h" #include "dtypes.h" #include "analyzer_annotations.h" #ifdef __cplusplus extern "C" { #endif uint_t nextipow2(uint_t i) JL_NOTSAFEPOINT; uint32_t int32hash(uint32_t a) JL_NOTSAFEPOINT; uint64_t int64hash(uint64_t key) JL_NOTSAFEPOINT; uint32_t int64to32hash(uint64_t key) JL_NOTSAFEPOINT; #ifdef _P64 #define inthash int64hash #else #define inthash int32hash #endif JL_DLLEXPORT uint64_t memhash(const char *buf, size_t n) JL_NOTSAFEPOINT; JL_DLLEXPORT uint64_t memhash_seed(const char *buf, size_t n, uint32_t seed) JL_NOTSAFEPOINT; JL_DLLEXPORT uint32_t memhash32(const char *buf, size_t n) JL_NOTSAFEPOINT; JL_DLLEXPORT uint32_t memhash32_seed(const char *buf, size_t n, uint32_t seed) JL_NOTSAFEPOINT; #ifdef _P64 STATIC_INLINE uint64_t bitmix(uint64_t a, uint64_t b) JL_NOTSAFEPOINT { return int64hash(a^bswap_64(b)); } #else STATIC_INLINE uint32_t bitmix(uint32_t a, uint32_t b) JL_NOTSAFEPOINT { return int64to32hash((((uint64_t)a) << 32) | (uint64_t)b); } #endif #define bitmix(a, b) (bitmix)((uintptr_t)(a), (uintptr_t)(b)) #ifdef __cplusplus } #endif #endif