diff options
Diffstat (limited to 'contrib/ffmpeg/libavutil/softfloat.c')
-rw-r--r-- | contrib/ffmpeg/libavutil/softfloat.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/contrib/ffmpeg/libavutil/softfloat.c b/contrib/ffmpeg/libavutil/softfloat.c deleted file mode 100644 index f12fd17a0..000000000 --- a/contrib/ffmpeg/libavutil/softfloat.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * copyright (c) 2006 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 <inttypes.h> -#include <stdio.h> -#include <assert.h> -#include "softfloat.h" -#include "common.h" -#include "log.h" - -#undef printf - -int main(){ - SoftFloat one= av_int2sf(1, 0); - SoftFloat sf1, sf2; - double d1, d2; - int i, j; -av_log_level = AV_LOG_DEBUG; - - d1= 1; - for(i= 0; i<10; i++){ - d1= 1/(d1+1); - } - printf("test1 double=%d\n", (int)(d1 * (1<<24))); - - sf1= one; - for(i= 0; i<10; i++){ - sf1= av_div_sf(one, av_normalize_sf(av_add_sf(one, sf1))); - } - printf("test1 sf =%d\n", av_sf2int(sf1, 24)); - - - for(i= 0; i<100; i++){ - START_TIMER - d1= i; - d2= i/100.0; - for(j= 0; j<1000; j++){ - d1= (d1+1)*d2; - } - STOP_TIMER("float add mul") - } - printf("test2 double=%d\n", (int)(d1 * (1<<24))); - - for(i= 0; i<100; i++){ - START_TIMER - sf1= av_int2sf(i, 0); - sf2= av_div_sf(av_int2sf(i, 2), av_int2sf(200, 3)); - for(j= 0; j<1000; j++){ - sf1= av_mul_sf(av_add_sf(sf1, one),sf2); - } - STOP_TIMER("softfloat add mul") - } - printf("test2 sf =%d (%d %d)\n", av_sf2int(sf1, 24), sf1.exp, sf1.mant); - return 0; -} |