## ffmpeg / libavcodec / integer.h @ 20646267

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1 | 29adde83 | Michael Niedermayer | ```
/*
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2 | ```
* arbitrary precision integers
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3 | ```
* Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
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4 | ```
*
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5 | ```
* This library is free software; you can redistribute it and/or
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6 | ```
* modify it under the terms of the GNU Lesser General Public
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7 | ```
* License as published by the Free Software Foundation; either
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8 | ```
* version 2 of the License, or (at your option) any later version.
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9 | ```
*
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10 | ```
* This library is distributed in the hope that it will be useful,
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11 | ```
* but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | ```
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 | ```
* Lesser General Public License for more details.
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14 | ```
*
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15 | ```
* You should have received a copy of the GNU Lesser General Public
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16 | ```
* License along with this library; if not, write to the Free Software
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17 | ```
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18 | ```
*
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19 | ```
*/
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20 | |||

21 | ```
/**
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22 | ```
* @file integer.h
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23 | ```
* arbitrary precision integers
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24 | ```
* @author Michael Niedermayer <michaelni@gmx.at>
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25 | ```
*/
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26 | |||

27 | ```
#ifndef INTEGER_H
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28 | ```
#define INTEGER_H
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29 | |||

30 | #define AV_INTEGER_SIZE 8 |
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31 | |||

32 | typedef struct AVInteger{ |
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33 | uint16_t v[AV_INTEGER_SIZE]; |
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34 | } AVInteger; |
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35 | |||

36 | AVInteger av_add_i(AVInteger a, AVInteger b); |
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37 | AVInteger av_sub_i(AVInteger a, AVInteger b); |
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38 | ```
int av_log2_i(AVInteger a);
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39 | AVInteger av_mul_i(AVInteger a, AVInteger b); |
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40 | ```
int av_cmp_i(AVInteger a, AVInteger b);
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41 | ```
AVInteger av_shr_i(AVInteger a, int s);
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42 | AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b); |
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43 | AVInteger av_div_i(AVInteger a, AVInteger b); |
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44 | AVInteger av_int2i(int64_t a); |
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45 | int64_t av_i2int(AVInteger a); |
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46 | |||

47 | #endif // INTEGER_H |