hash.c File Reference

#include <stdint.h>
#include <stddef.h>
#include "teoccl/hash.h"

Macros
#define	get16bits(d)
#define	hashsize(n)   ((uint32_t)1<<(n))
#define	hashmask(n)   (hashsize(n)-1)
#define	mix(a, b, c)

Functions
uint32_t	teoHashSuperFast (const uint8_t *data, int len)
uint32_t	teoHashFast (register const uint8_t *k, register uint32_t length, register uint32_t initval)

Macro Definition Documentation

#define get16bits

(

d

)

Value:

((((uint32_t)(((const uint8_t *)(d))[1])) << 8)\
                       +(uint32_t)(((const uint8_t *)(d))[0]) )

Referenced by teoHashSuperFast().

#define hashmask

(

n

)

(hashsize(n)-1)

#define hashsize

(

n

)

((uint32_t)1<<(n))

#define mix	(		a,
			b,
			c
	)

Value:

{ \
  a -= b; a -= c; a ^= (c>>13); \
  b -= c; b -= a; b ^= (a<<8); \
  c -= a; c -= b; c ^= (b>>13); \
  a -= b; a -= c; a ^= (c>>12);  \
  b -= c; b -= a; b ^= (a<<16); \
  c -= a; c -= b; c ^= (b>>5); \
  a -= b; a -= c; a ^= (c>>3);  \
  b -= c; b -= a; b ^= (a<<10); \
  c -= a; c -= b; c ^= (b>>15); \
}

Referenced by teoHashFast().

Function Documentation

uint32_t teoHashFast	(	register const uint8_t *	k,
		register uint32_t	length,
		register uint32_t	initval
	)

References mix.

uint32_t teoHashSuperFast	(	const uint8_t *	data,
		int	len
	)

References get16bits.