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/****************************************************************
* *
* Copyright 2011, 2014 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#ifndef MURMURHASH_H
#define MURMURHASH_H 1
/*-----------------------------------------------------------------------------
* MurmurHash3 was written by Austin Appleby, and is placed in the public
* domain. The author hereby disclaims copyright to this source code.
*
* This version converted to C for use in GT.M by FIS.
*-----------------------------------------------------------------------------*/
/* Note that all these want the key to be a multiple of N bits, where N is the
last number in the function name. */
void MurmurHash3_x86_32 ( const void * key, int len, uint4 seed, void * out );
void MurmurHash3_x86_128 ( const void * key, int len, uint4 seed, void * out );
void MurmurHash3_x64_128 ( const void * key, int len, uint4 seed, void * out );
typedef struct
{
gtm_uint8 one, two;
} gtm_uint16;
typedef struct
{
gtm_uint16 h, c;
int carry_bytes;
} hash128_state_t;
#define HASH128_STATE_INIT(STATE, SEED) \
MBSTART { \
(STATE).h.one = (STATE).h.two = (SEED); \
(STATE).c.one = (STATE).c.two = 0; \
(STATE).carry_bytes = 0; \
} MBEND
void gtmmrhash_128(const void *key, int len, uint4 seed, gtm_uint16 *out);
void gtmmrhash_32(const void *key, int len, uint4 seed, uint4 *out4);
void gtmmrhash_128_ingest(hash128_state_t *state, const void *key, int len);
void gtmmrhash_128_result(hash128_state_t *state, uint4 total_len, gtm_uint16 *out);
void gtmmrhash_128_hex(const gtm_uint16 *hash, unsigned char *out);
void gtmmrhash_128_bytes(const gtm_uint16 *hash, unsigned char *out);
#endif
/*-----------------------------------------------------------------------------*/
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