2 * copyright (c) 2006 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
24 #include "softfloat.h"
31 SoftFloat one= av_int2sf(1, 0);
35 av_log_set_level(AV_LOG_DEBUG);
41 printf("test1 double=%d\n", (int)(d1 * (1<<24)));
45 sf1= av_div_sf(one, av_normalize_sf(av_add_sf(one, sf1)));
47 printf("test1 sf =%d\n", av_sf2int(sf1, 24));
50 for(i= 0; i<100; i++){
54 for(j= 0; j<1000; j++){
57 STOP_TIMER("float add mul")
59 printf("test2 double=%d\n", (int)(d1 * (1<<24)));
61 for(i= 0; i<100; i++){
64 sf2= av_div_sf(av_int2sf(i, 2), av_int2sf(200, 3));
65 for(j= 0; j<1000; j++){
66 sf1= av_mul_sf(av_add_sf(sf1, one),sf2);
68 STOP_TIMER("softfloat add mul")
70 printf("test2 sf =%d (%d %d)\n", av_sf2int(sf1, 24), sf1.exp, sf1.mant);