165                                  int digit_index, uint64_t current_digit);
289   for (int digit_index = digits - 2; digit_index >= 0; digit_index--) {  in NewFromDouble()  local
303     result->set_digit(digit_index, digit);  in NewFromDouble()
899   for (int digit_index = x_length - 2; digit_index >= 0; digit_index--) {  in CompareToDouble()  local
913     digit_t digit = x->digit(digit_index);  in CompareToDouble()
1003   int digit_index = x_length - 1;  in ToDouble()  local
1011   if (mantissa_bits_unset >= kDigitBits && digit_index > 0) {  in ToDouble()
1012     digit_index--;  in ToDouble()
1013     current_digit = static_cast<uint64_t>(x->digit(digit_index));  in ToDouble()
1017   if (mantissa_bits_unset > 0 && digit_index > 0) {  in ToDouble()
1019     digit_index--;  in ToDouble()
1020     current_digit = static_cast<uint64_t>(x->digit(digit_index));  in ToDouble()
1026       DecideRounding(x, mantissa_bits_unset, digit_index, current_digit);  in ToDouble()
1051                                                       int digit_index,  in DecideRounding()  argument
1061     if (digit_index == 0) return kRoundDown;  in DecideRounding()
1062     digit_index--;  in DecideRounding()
1063     current_digit = static_cast<uint64_t>(x->digit(digit_index));  in DecideRounding()
1074   while (digit_index > 0) {  in DecideRounding()
1075     digit_index--;  in DecideRounding()
1076     if (x->digit(digit_index) != 0) return kRoundUp;  in DecideRounding()