2 * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libavutil/avassert.h"
24 #include "libavutil/integer.h"
25 #include "libavutil/intmath.h"
30 for(a=7; a<256*256*256; a+=13215){
31 for(b=3; b<256*256*256; b+=27118){
32 AVInteger ai= av_int2i(a);
33 AVInteger bi= av_int2i(b);
35 av_assert0(av_i2int(ai) == a);
36 av_assert0(av_i2int(bi) == b);
37 av_assert0(av_i2int(av_add_i(ai,bi)) == a+b);
38 av_assert0(av_i2int(av_sub_i(ai,bi)) == a-b);
39 av_assert0(av_i2int(av_mul_i(ai,bi)) == a*b);
40 av_assert0(av_i2int(av_shr_i(ai, 9)) == a>>9);
41 av_assert0(av_i2int(av_shr_i(ai,-9)) == a<<9);
42 av_assert0(av_i2int(av_shr_i(ai, 17)) == a>>17);
43 av_assert0(av_i2int(av_shr_i(ai,-17)) == a<<17);
44 av_assert0(av_log2_i(ai) == av_log2(a));
45 av_assert0(av_i2int(av_div_i(ai,bi)) == a/b);