1091 _Py_double_round(double x, int ndigits) {  in _Py_double_round()  argument
1101     if (ndigits == 0) {  in _Py_double_round()
1147     if (val == -ndigits-1) {  in _Py_double_round()
1148         if (ndigits >= 0)  in _Py_double_round()
1150         else if (ndigits >= -FIVE_POW_LIMIT) {  in _Py_double_round()
1153             for (i=0; i < -ndigits; i++)  in _Py_double_round()
1165     buf = _Py_dg_dtoa(x, 3, ndigits+halfway_case, &decpt, &sign, &buf_end);  in _Py_double_round()
1180         assert(buflen - decpt == ndigits+1);  in _Py_double_round()
1235 _Py_double_round(double x, int ndigits) {  in _Py_double_round()  argument
1237     if (ndigits >= 0) {  in _Py_double_round()
1238         if (ndigits > 22) {  in _Py_double_round()
1241             pow1 = pow(10.0, (double)(ndigits-22));  in _Py_double_round()
1245             pow1 = pow(10.0, (double)ndigits);  in _Py_double_round()
1254         pow1 = pow(10.0, (double)-ndigits);  in _Py_double_round()
1264     if (ndigits >= 0)  in _Py_double_round()
1457     Py_ssize_t length, ndigits, fdigits, i;  in float_fromhex()  local
1565     ndigits = coeff_end - coeff_start;  in float_fromhex()
1567     if (ndigits == 0)  in float_fromhex()
1569     if (ndigits > MIN(DBL_MIN_EXP - DBL_MANT_DIG - LONG_MIN/2,  in float_fromhex()
1599     while (ndigits > 0 && HEX_DIGIT(ndigits-1) == 0)  in float_fromhex()
1600         ndigits--;  in float_fromhex()
1601     if (ndigits == 0 || exp < LONG_MIN/2) {  in float_fromhex()
1612     top_exp = exp + 4*((long)ndigits - 1);  in float_fromhex()
1613     for (digit = HEX_DIGIT(ndigits-1); digit != 0; digit /= 2)  in float_fromhex()
1631         for (i = ndigits-1; i >= 0; i--)  in float_fromhex()
1640     for (i = ndigits-1; i > key_digit; i--)  in float_fromhex()