C++ (Cpp) hashtable_insert_or_update_computed Examples

Example #1

File: Quant.c Project: Nexuapex/Pillow

static HashTable *
create_pixel_hash(Pixel *pixelData,uint32_t nPixels)
{
   PixelHashData *d;
   HashTable *hash;
   uint32_t i;
#ifndef NO_OUTPUT
   uint32_t timer,timer2,timer3;
#endif

   /* malloc check ok, small constant allocation */
   d=malloc(sizeof(PixelHashData));
   if (!d) return NULL;
   hash=hashtable_new(pixel_hash,pixel_cmp);
   hashtable_set_user_data(hash,d);
   d->scale=0;
#ifndef NO_OUTPUT
   timer=timer3=clock();
#endif
   for (i=0;i<nPixels;i++) {
      if (!hashtable_insert_or_update_computed(hash,
                                              pixelData[i],
                                              new_count_func,
                                              exists_count_func)) {;
      }
      while (hashtable_get_count(hash)>MAX_HASH_ENTRIES) {
         d->scale++;
#ifndef NO_OUTPUT
         printf ("rehashing - new scale: %d\n",(int)d->scale);
         timer2=clock();
#endif
         hashtable_rehash_compute(hash,rehash_collide);
#ifndef NO_OUTPUT
         timer2=clock()-timer2;
         printf ("rehash took %f sec\n",timer2/(double)CLOCKS_PER_SEC);
         timer+=timer2;
#endif
      }
   }
#ifndef NO_OUTPUT
   printf ("inserts took %f sec\n",(clock()-timer)/(double)CLOCKS_PER_SEC);
#endif
#ifndef NO_OUTPUT
   printf ("total        %f sec\n",(clock()-timer3)/(double)CLOCKS_PER_SEC);
#endif
   return hash;
}

Example #2

static HashTable
create_pixel_hash(Pixel *pixelData,unsigned long nPixels)
{
   PixelHashData *d;
   HashTable *hash;
   unsigned long i;
   unsigned long timer,timer2,timer3;

   d=malloc(sizeof(PixelHashData));
   if (!d) return NULL;
   hash=hashtable_new(pixel_hash,pixel_cmp);
   hashtable_set_user_data(hash,d);
   d->scale=0;
   timer=timer3=clock();
   for (i=0;i<nPixels;i++) {
      if (!hashtable_insert_or_update_computed(hash,
                                              (void *)pixelData[i].v,
                                              new_count_func,
                                              exists_count_func)) {;
      }
      while (hashtable_get_count(hash)>MAX_HASH_ENTRIES) {
         d->scale++;
#ifndef NO_OUTPUT
         printf ("rehashing - new scale: %d\n",(int)d->scale);
#endif
         timer2=clock();
         hashtable_rehash_compute(hash,rehash_collide);
         timer2=clock()-timer2;
#ifndef NO_OUTPUT
         printf ("rehash took %f sec\n",timer2/(double)CLOCKS_PER_SEC);
#endif
         timer+=timer2;
      }
   }
#ifndef NO_OUTPUT
   printf ("inserts took %f sec\n",(clock()-timer)/(double)CLOCKS_PER_SEC);
#endif
#ifndef NO_OUTPUT
   printf ("total        %f sec\n",(clock()-timer3)/(double)CLOCKS_PER_SEC);
#endif
   return hash;
}