compr_rubin.h

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    1 /* Rubin encoder/decoder header       */
    2 /* work started at   : aug   3, 1994  */
    3 /* last modification : aug  15, 1994  */
    4 /* $Id: compr_rubin.h,v 1.5 2001/02/26 13:50:01 dwmw2 Exp $ */
    5 
    6 #include "pushpull.h"
    7 
    8 #define RUBIN_REG_SIZE   16
    9 #define UPPER_BIT_RUBIN    (((long) 1)<<(RUBIN_REG_SIZE-1))
   10 #define LOWER_BITS_RUBIN   ((((long) 1)<<(RUBIN_REG_SIZE-1))-1)
   11 
   12 
   13 struct rubin_state {
   14         unsigned long p;                
   15         unsigned long q;        
   16         unsigned long rec_q;
   17         long bit_number;
   18         struct pushpull pp;
   19         int bit_divider;
   20         int bits[8];
   21 };
   22 
   23 
   24 void init_rubin (struct rubin_state *rs, int div, int *bits);
   25 int encode (struct rubin_state *, long, long, int);
   26 void end_rubin (struct rubin_state *);
   27 void init_decode (struct rubin_state *, int div, int *bits);
   28 int decode (struct rubin_state *, long, long);

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FreeBSD/Linux Kernel Cross Reference sys/fs/jffs2/compr_rubin.h

FreeBSD/Linux Kernel Cross Reference
sys/fs/jffs2/compr_rubin.h