diff options
Diffstat (limited to 'libavutil/rational.c')
| -rw-r--r-- | libavutil/rational.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/libavutil/rational.c b/libavutil/rational.c index 4770c54f8b..1a833ebec1 100644 --- a/libavutil/rational.c +++ b/libavutil/rational.c @@ -2,20 +2,20 @@ * rational numbers * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -144,3 +144,28 @@ int av_find_nearest_q_idx(AVRational q, const AVRational* q_list) return nearest_q_idx; } + +#ifdef TEST +int main(void) +{ + AVRational a,b; + for (a.num = -2; a.num <= 2; a.num++) { + for (a.den = -2; a.den <= 2; a.den++) { + for (b.num = -2; b.num <= 2; b.num++) { + for (b.den = -2; b.den <= 2; b.den++) { + int c = av_cmp_q(a,b); + double d = av_q2d(a) == av_q2d(b) ? + 0 : (av_q2d(a) - av_q2d(b)); + if (d > 0) d = 1; + else if (d < 0) d = -1; + else if (d != d) d = INT_MIN; + if (c != d) + av_log(0, AV_LOG_ERROR, "%d/%d %d/%d, %d %f\n", a.num, + a.den, b.num, b.den, c,d); + } + } + } + } + return 0; +} +#endif |