fs/jffs2/compr_rubin.h

   1 /* Rubin encoder/decoder header       */
   2 /* work started at   : aug   3, 1994  */
   3 /* last modification : aug  15, 1994  */
   4 /* $Id: compr_rubin.h,v 1.6 2002/01/25 01:49:26 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 };