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HANXIN: 0xFFE terminator; reedsol/AZTEC: stack-based; AZTEC/HANXIN/QR/GRIDMATRIX speedups; #209

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gitlost 2020-11-27 12:54:44 +00:00
parent ab379a233d
commit cd214addba
70 changed files with 5703 additions and 2907 deletions
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31
backend/reedsol.h
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@ -38,14 +38,33 @@
extern "C" {
#endif /* __cplusplus */
INTERNAL void rs_init_gf(const int poly);
INTERNAL void rs_init_code(const int nsym,int index);
INTERNAL void rs_encode(const size_t len,const unsigned char *data, unsigned char *res);
INTERNAL void rs_encode_long(const int len,const unsigned int *data, unsigned int *res);
INTERNAL void rs_free(void);
typedef struct {
const unsigned char *logt; /* These are static */
const unsigned char *alog;
unsigned char rspoly[256];
int nsym;
} rs_t;
typedef struct {
unsigned int *logt; /* These are malloced */
unsigned int *alog;
unsigned short rspoly[4096]; /* 12-bit max - needs to be enlarged if > 12-bit used */
int nsym;
} rs_uint_t;
INTERNAL void rs_init_gf(rs_t *rs, const unsigned int prime_poly);
INTERNAL void rs_init_code(rs_t *rs, const int nsym, int index);
INTERNAL void rs_encode(const rs_t *rs, const int datalen, const unsigned char *data, unsigned char *res);
INTERNAL void rs_encode_uint(const rs_t *rs, const int datalen, const unsigned int *data, unsigned int *res);
/* No free needed as log tables static */
INTERNAL void rs_uint_init_gf(rs_uint_t *rs_uint, const unsigned int prime_poly, const int logmod);
INTERNAL void rs_uint_init_code(rs_uint_t *rs_uint, const int nsym, int index);
INTERNAL void rs_uint_encode(const rs_uint_t *rs_uint, const int datalen, const unsigned int *data, unsigned int *res);
INTERNAL void rs_uint_free(rs_uint_t *rs_uint);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __REEDSOL_H */
#endif /* __REEDSOL_H */