520       const int idx2 = bin_map[bin_offset + n];  in HistogramCombineEntropyBin()  local
524         VP8LHistogramAdd(histograms[idx1], histograms[idx2], histograms[idx1]);  in HistogramCombineEntropyBin()
525         histograms[idx2]->bit_cost_ = 0.;  in HistogramCombineEntropyBin()
527         const double bit_cost_idx2 = histograms[idx2]->bit_cost_;  in HistogramCombineEntropyBin()
531               HistogramAddEval(histograms[idx1], histograms[idx2],  in HistogramCombineEntropyBin()
542                  (histograms[idx2]->trivial_symbol_ == VP8L_NON_TRIVIAL_SYM));  in HistogramCombineEntropyBin()
546               histograms[idx2]->bit_cost_ = 0.;  in HistogramCombineEntropyBin()
577   int idx2;  member
638 static void PreparePair(VP8LHistogram** histograms, int idx1, int idx2,  in PreparePair()  argument
641   if (idx1 > idx2) {  in PreparePair()
642     const int tmp = idx2;  in PreparePair()
643     idx2 = idx1;  in PreparePair()
647   pair->idx2 = idx2;  in PreparePair()
649       HistogramAddEval(histograms[idx1], histograms[idx2], histos, 0);  in PreparePair()
684     const int idx2 = histo_queue.queue[0].idx2;  in HistogramCombineGreedy()  local
685     VP8LHistogramAdd(histograms[idx2], histograms[idx1], histograms[idx1]);  in HistogramCombineGreedy()
689       if (clusters[i] >= idx2) {  in HistogramCombineGreedy()
700       if (p->idx1 == idx1 || p->idx2 == idx1 ||  in HistogramCombineGreedy()
701           p->idx1 == idx2 || p->idx2 == idx2) {  in HistogramCombineGreedy()
772       const uint32_t idx2 = (idx1 + diff + 1) % image_histo_size;  in HistogramCombineStochastic()  local
773       if (idx1 == idx2) {  in HistogramCombineStochastic()
778       curr_cost_diff = HistogramAddEval(histograms[idx1], histograms[idx2],  in HistogramCombineStochastic()
784         best_idx2 = idx2;  in HistogramCombineStochastic()