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#ifndef CRC32_BRAID_P_H_
#define CRC32_BRAID_P_H_
#include "zbuild.h"
#include "zendian.h"
/* Define N */
#ifdef Z_TESTN
# define N Z_TESTN
#else
# define N 5
#endif
#if N < 1 || N > 6
# error N must be in 1..6
#endif
/*
Define W and the associated z_word_t type. If W is not defined, then a
braided calculation is not used, and the associated tables and code are not
compiled.
*/
#ifdef Z_TESTW
# if Z_TESTW-1 != -1
# define W Z_TESTW
# endif
#else
# ifndef W
# if defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__)
# define W 8
# else
# define W 4
# endif
# endif
#endif
#ifdef W
# if W == 8
typedef uint64_t z_word_t;
# else
# undef W
# define W 4
typedef uint32_t z_word_t;
# endif
#endif
/* CRC polynomial. */
#define POLY 0xedb88320 /* p(x) reflected, with x^32 implied */
extern uint32_t crc32_braid(uint32_t crc, const unsigned char *buf, uint64_t len);
#endif /* CRC32_BRAID_P_H_ */
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