PMurHash128.h

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/*-----------------------------------------------------------------------------
 * MurmurHash3 was written by Austin Appleby, and is placed in the public
 * domain.
 *
 * This is a c++ implementation of MurmurHash3_128 with support for progressive
 * processing based on PMurHash implementation written by Shane Day.
 */
 
/* ------------------------------------------------------------------------- */
 
// 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)
 
/* ------------------------------------------------------------------------- */
/* Formal prototypes */
 
// PMurHash128x64
void PMurHash128x64_Process(uint64_t ph[2], uint64_t pcarry[2], const void *key, int len);
void PMurHash128x64_Result(const uint64_t ph[2], const uint64_t pcarry[2], uint32_t total_length, uint64_t out[2]);
void PMurHash128x64(const void * key, const int len, uint32_t seed, void * out);
 
// PMurHash128x86
void PMurHash128x86_Process(uint32_t ph[4], uint32_t pcarry[4], const void *key, int len);
void PMurHash128x86_Result(const uint32_t ph[4], const uint32_t pcarry[4], uint32_t total_length, uint32_t out[4]);
void PMurHash128x86(const void * key, const int len, uint32_t seed, void * out);