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  • /*
     * arbitrary precision integers
     * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
     *
    
     * 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 <michaelni@gmx.at>
     */
    
    #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