#if defined (__SSSE3__)
#include <immintrin.h>
#endif
void pearson_hash_256 (uint8_t *out, const uint8_t *in, size_t len);
void pearson_hash_128 (uint8_t *out, const uint8_t *in, size_t len);
uint64_t pearson_hash_64 (const uint8_t *in, size_t len, uint64_t hash_in);
uint32_t pearson_hash_32 (const uint8_t *in, size_t len, uint32_t hash);
void pearson_hash_init(void);