/*
  * 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(void){

     SoftFloat one= av_int2sf(1, 0);
     SoftFloat sf1, sf2;
     double d1, d2;
     int i, j;

     av_log_set_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;
 }