687 #define NBO 8  macro
1787   int const binyo = NBO * NBP ;  /* bin y-stride */  in vl_sift_calc_raw_descriptor()
1788   int const binxo = NBO ;        /* bin x-stride */  in vl_sift_calc_raw_descriptor()
1802   memset (descr, 0, sizeof(vl_sift_pix) * NBO*NBP*NBP) ;  in vl_sift_calc_raw_descriptor()
1836       vl_sift_pix nt = NBO * theta / (2 * VL_PI) ;  in vl_sift_calc_raw_descriptor()
1873               atd(binx+dbinx, biny+dbiny, (bint+dbint) % NBO) += weight ;  in vl_sift_calc_raw_descriptor()
1885     vl_sift_pix norm = normalize_histogram (descr, descr + NBO*NBP*NBP) ;  in vl_sift_calc_raw_descriptor()
1898         for(bin = 0; bin < NBO*NBP*NBP ; ++ bin)  in vl_sift_calc_raw_descriptor()
1903       for(bin = 0; bin < NBO*NBP*NBP ; ++ bin) {  in vl_sift_calc_raw_descriptor()
1908       normalize_histogram (descr, descr + NBO*NBP*NBP) ;  in vl_sift_calc_raw_descriptor()
1976   int const binyo = NBO * NBP ;  /* bin y-stride */  in vl_sift_calc_keypoint_descriptor()
1977   int const binxo = NBO ;        /* bin x-stride */  in vl_sift_calc_keypoint_descriptor()
1996   memset (descr, 0, sizeof(vl_sift_pix) * NBO*NBP*NBP) ;  in vl_sift_calc_keypoint_descriptor()
2030       vl_sift_pix nt = NBO * theta / (2 * VL_PI) ;  in vl_sift_calc_keypoint_descriptor()
2067               atd(binx+dbinx, biny+dbiny, (bint+dbint) % NBO) += weight ;  in vl_sift_calc_keypoint_descriptor()
2079     vl_sift_pix norm = normalize_histogram (descr, descr + NBO*NBP*NBP) ;  in vl_sift_calc_keypoint_descriptor()
2083         for(bin = 0; bin < NBO*NBP*NBP ; ++ bin)  in vl_sift_calc_keypoint_descriptor()
2089       for(bin = 0; bin < NBO*NBP*NBP ; ++ bin) {  in vl_sift_calc_keypoint_descriptor()
2094       normalize_histogram (descr, descr + NBO*NBP*NBP) ;  in vl_sift_calc_keypoint_descriptor()