Statistics
| Branch: | Revision:

ffmpeg / libavcodec / integer.h @ 20646267

History | View | Annotate | Download (1.49 KB)

1
/*
2
 * arbitrary precision integers
3
 * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
4
 *
5
 * This library is free software; you can redistribute it and/or
6
 * modify it under the terms of the GNU Lesser General Public
7
 * License as published by the Free Software Foundation; either
8
 * version 2 of the License, or (at your option) any later version.
9
 *
10
 * This library 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 GNU
13
 * Lesser General Public License for more details.
14
 *
15
 * You should have received a copy of the GNU Lesser General Public
16
 * License along with this library; if not, write to the Free Software
17
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18
 *
19
 */
20
 
21
/**
22
 * @file integer.h
23
 * arbitrary precision integers
24
 * @author Michael Niedermayer <michaelni@gmx.at>
25
 */
26
 
27
#ifndef INTEGER_H
28
#define INTEGER_H
29

    
30
#define AV_INTEGER_SIZE 8
31

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

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

    
47
#endif // INTEGER_H