1 /***********************************************************************
2   This file is part of HA, a general purpose file archiver.
3   Copyright (C) 1995 Harri Hirvola
4 
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 2 of the License, or
8   (at your option) any later version.
9 
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14 
15   You should have received a copy of the GNU General Public License
16   along with this program; if not, write to the Free Software
17   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 ************************************************************************
19 	HA arithmetic coder
20 ***********************************************************************/
21 
22 void ac_init_encode(void);
23 void ac_end_encode(void);
24 void ac_init_decode(void);
25 void ac_out(U16B low, U16B high, U16B tot);
26 U16B ac_threshold_val(U16B tot);
27 void ac_in(U16B low, U16B high, U16B tot);
28 
29