452     int region, delta, i, temp;  in categorize_regions()  local
466         for (region = 0; region < number_of_regions; region++) {  in categorize_regions()
468                  absolute_region_power_index[region]) >> 1;  in categorize_regions()
470             power_categories[region] = i;  in categorize_regions()
479     for (region = 0; region < number_of_regions; region++) {  in categorize_regions()
480         i = (offset - absolute_region_power_index[region]) >> 1;  in categorize_regions()
482         max_rate_categories[region] = min_rate_categories[region] =  in categorize_regions()
483             power_categories[region] = i;  in categorize_regions()
493             for (region = number_of_regions - 1; region >= 0; region--) {  in categorize_regions()
494                 if (min_rate_categories[region] < 7) {  in categorize_regions()
496                         offset - absolute_region_power_index[region] -  in categorize_regions()
497                         2 * min_rate_categories[region];  in categorize_regions()
500                         raw_min_idx = region;  in categorize_regions()
513             for (region = 0; region < number_of_regions; region++) {  in categorize_regions()
514                 if (max_rate_categories[region] > 0) {  in categorize_regions()
516                         offset - absolute_region_power_index[region] -  in categorize_regions()
517                         2 * max_rate_categories[region];  in categorize_regions()
520                         raw_max_idx = region;  in categorize_regions()
534     for (region = 0; region < number_of_regions; region++)  in categorize_regions()
535         power_categories[region] = max_rate_categories[region];  in categorize_regions()
567     int region;  in decode_vector()  local
575     for (region = 0; region < number_of_regions; region++) {  in decode_vector()
576         category = power_categories[region];  in decode_vector()
577         coefs_ptr = coefs + (region * REGION_SIZE);  in decode_vector()
606                                 decoded_value *= -decoder_standard_deviation[region];  in decode_vector()
608                                 decoded_value *= decoder_standard_deviation[region];  in decode_vector()
620                 for (j = region + 1; j < number_of_regions; j++)  in decode_vector()
626         coefs_ptr = coefs + (region * REGION_SIZE);  in decode_vector()
637                 noise = decoder_standard_deviation[region] * noise_category5[i];  in decode_vector()
639                 noise = decoder_standard_deviation[region] * noise_category6[i];  in decode_vector()
641             noise = decoder_standard_deviation[region] * 0.70711f;  in decode_vector()
646         coefs_ptr = coefs + (region * REGION_SIZE);  in decode_vector()