hash.h

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#pragma once
 
#include <stddef.h>
#include <stdint.h>
 
#define CU_FNV1A32_OFFSET_BASIS 2166136261u
#define CU_FNV1A32_PRIME 16777619u
 
#define CU_FNV1A64_OFFSET_BASIS 14695981039346656037ull
#define CU_FNV1A64_PRIME 1099511628211ull
 
#define CU_MURMUR3_C1 0xcc9e2d51u
#define CU_MURMUR3_C2 0x1b873593u
#define CU_MURMUR3_N 0xe6546b64u
#define CU_MURMUR3_F1 0x85ebca6bu
#define CU_MURMUR3_F2 0xc2b2ae35u
 
#define CU_SIPHASH_V0_INIT 0x736f6d6570736575ull
#define CU_SIPHASH_V1_INIT 0x646f72616e646f6dull
#define CU_SIPHASH_V2_INIT 0x6c7967656e657261ull
#define CU_SIPHASH_V3_INIT 0x7465646279746573ull
 
uint32_t cu_Hash_FNV1a32(const void *data, size_t len);
uint64_t cu_Hash_FNV1a64(const void *data, size_t len);
 
uint32_t cu_Hash_Murmur3_32(const void *data, size_t len, uint32_t seed);
 
uint64_t cu_Hash_SipHash24(const uint8_t key[16], const void *data, size_t len);