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