/* * arbitrary precision integers * Copyright (c) 2004 Michael Niedermayer * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * */ /** * @file integer.h * arbitrary precision integers * @author Michael Niedermayer */ #ifndef INTEGER_H #define INTEGER_H #define AV_INTEGER_SIZE 8 typedef struct AVInteger{ uint16_t v[AV_INTEGER_SIZE]; } AVInteger; AVInteger av_add_i(AVInteger a, AVInteger b); AVInteger av_sub_i(AVInteger a, AVInteger b); int av_log2_i(AVInteger a); AVInteger av_mul_i(AVInteger a, AVInteger b); int av_cmp_i(AVInteger a, AVInteger b); AVInteger av_shr_i(AVInteger a, int s); AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b); AVInteger av_div_i(AVInteger a, AVInteger b); AVInteger av_int2i(int64_t a); int64_t av_i2int(AVInteger a); #endif // INTEGER_H