2487     const SparseMat *PH1 = &H1, *PH2 = &H2;  in compareHist()  local
2488 …if( PH1->nzcount() > PH2->nzcount() && method != CV_COMP_CHISQR && method != CV_COMP_CHISQR_ALT &&…  in compareHist()
2489         std::swap(PH1, PH2);  in compareHist()
2492     int N1 = (int)PH1->nzcount(), N2 = (int)PH2->nzcount();  in compareHist()
2500             float v2 = PH2->value<float>(node->idx, (size_t*)&node->hashval);  in compareHist()
2515             s12 += v1*PH2->value<float>(node->idx, (size_t*)&node->hashval);  in compareHist()
2520         it = PH2->begin();  in compareHist()
2542             float v2 = PH2->value<float>(node->idx, (size_t*)&node->hashval);  in compareHist()
2555             double v2 = PH2->value<float>(node->idx, (size_t*)&node->hashval);  in compareHist()
2560         it = PH2->begin();  in compareHist()
2574             double v2 = PH2->value<float>(node->idx, (size_t*)&node->hashval);  in compareHist()