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libavutil/tests/integer.c
49 строк
2 KB
James Almer
avutil/integer: move the test to the corresponding subdirectory
21 мар 2018, 05:27
21 мар 2018, 05:27
72bb955
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/* * 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 */ #include <stdint.h> #include "libavutil/avassert.h" #include "libavutil/integer.h" #include "libavutil/intmath.h" int main(void){ int64_t a,b; for(a=7; a<256*256*256; a+=13215){ for(b=3; b<256*256*256; b+=27118){ AVInteger ai= av_int2i(a); AVInteger bi= av_int2i(b); av_assert0(av_i2int(ai) == a); av_assert0(av_i2int(bi) == b); av_assert0(av_i2int(av_add_i(ai,bi)) == a+b); av_assert0(av_i2int(av_sub_i(ai,bi)) == a-b); av_assert0(av_i2int(av_mul_i(ai,bi)) == a*b); av_assert0(av_i2int(av_shr_i(ai, 9)) == a>>9); av_assert0(av_i2int(av_shr_i(ai,-9)) == a<<9); av_assert0(av_i2int(av_shr_i(ai, 17)) == a>>17); av_assert0(av_i2int(av_shr_i(ai,-17)) == a<<17); av_assert0(av_log2_i(ai) == av_log2(a)); av_assert0(av_i2int(av_div_i(ai,bi)) == a/b); } } return 0; }