Lines Matching full:diff
41 int diff;
43 diff = rg->tab_[rg->index1_] - rg->tab_[rg->index2_];
44 if (diff < 0) diff += (1u << 31);
45 rg->tab_[rg->index1_] = diff;
49 diff = (int)((uint32_t)diff << 1) >> (32 - num_bits);
50 diff = (diff * amp) >> VP8_RANDOM_DITHER_FIX; // restrict range
51 diff += 1 << (num_bits - 1); // shift back to 0.5-center
52 return diff;
