ClickHouse/contrib/murmurhash/include/murmurhash2.h
2018-08-06 12:35:13 +03:00

36 lines
1.1 KiB
C++

//-----------------------------------------------------------------------------
// MurmurHash2 was written by Austin Appleby, and is placed in the public
// domain. The author hereby disclaims copyright to this source code.
#ifndef _MURMURHASH2_H_
#define _MURMURHASH2_H_
//-----------------------------------------------------------------------------
// Platform-specific functions and macros
// Microsoft Visual Studio
#if defined(_MSC_VER) && (_MSC_VER < 1600)
typedef unsigned char uint8_t;
typedef unsigned int uint32_t;
typedef unsigned __int64 uint64_t;
// Other compilers
#else // defined(_MSC_VER)
#include <stdint.h>
#endif // !defined(_MSC_VER)
uint32_t MurmurHash2 (const void * key, int len, uint32_t seed);
uint64_t MurmurHash64A (const void * key, int len, uint64_t seed);
uint64_t MurmurHash64B (const void * key, int len, uint64_t seed);
uint32_t MurmurHash2A (const void * key, int len, uint32_t seed);
uint32_t MurmurHashNeutral2 (const void * key, int len, uint32_t seed);
uint32_t MurmurHashAligned2 (const void * key, int len, uint32_t seed);
#endif // _MURMURHASH2_H_