summaryrefslogtreecommitdiffstats
path: root/fs/jffs2/compr_rubin.h
blob: bf1a934516210608229241e14e1ace0329d9c0fa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
/* Rubin encoder/decoder header       */
/* work started at   : aug   3, 1994  */
/* last modification : aug  15, 1994  */
/* $Id: compr_rubin.h,v 1.7 2005/11/07 11:14:38 gleixner Exp $ */

#include "pushpull.h"

#define RUBIN_REG_SIZE   16
#define UPPER_BIT_RUBIN    (((long) 1)<<(RUBIN_REG_SIZE-1))
#define LOWER_BITS_RUBIN   ((((long) 1)<<(RUBIN_REG_SIZE-1))-1)


struct rubin_state {
	unsigned long p;
	unsigned long q;
	unsigned long rec_q;
	long bit_number;
	struct pushpull pp;
	int bit_divider;
	int bits[8];
};