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Merge pull request #64833 from MarcusElg/naninfprinting

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Improve string formatting (%f and %v) for inf and nan
This commit is contained in:
Rémi Verschelde
2022-10-03 09:23:12 +02:00
parent adee79d7b5 b21460981d
commit cf6978f286
2 changed files with 28 additions and 4 deletions
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16
core/string/ustring.cpp
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@@ -4651,15 +4651,18 @@ String String::sprintf(const Array &values, bool *error) const {
double value = values[value_index];
bool is_negative = (value < 0);
String str = String::num(ABS(value), min_decimals);
bool not_numeric = isinf(value) || isnan(value);
// Pad decimals out.
str = str.pad_decimals(min_decimals);
if (!not_numeric) {
str = str.pad_decimals(min_decimals);
}
int initial_len = str.length();
// Padding. Leave room for sign later if required.
int pad_chars_count = (is_negative || show_sign) ? min_chars - 1 : min_chars;
String pad_char = pad_with_zeros ? String("0") : String(" ");
String pad_char = (pad_with_zeros && !not_numeric) ? String("0") : String(" "); // Never pad NaN or inf with zeros
if (left_justified) {
str = str.rpad(pad_chars_count, pad_char);
} else {
@@ -4709,14 +4712,19 @@ String String::sprintf(const Array &values, bool *error) const {
String str = "(";
for (int i = 0; i < count; i++) {
double val = vec[i];
String number_str = String::num(ABS(val), min_decimals);
bool not_numeric = isinf(val) || isnan(val);
// Pad decimals out.
String number_str = String::num(ABS(val), min_decimals).pad_decimals(min_decimals);
if (!not_numeric) {
number_str = number_str.pad_decimals(min_decimals);
}
int initial_len = number_str.length();
// Padding. Leave room for sign later if required.
int pad_chars_count = val < 0 ? min_chars - 1 : min_chars;
String pad_char = pad_with_zeros ? String("0") : String(" ");
String pad_char = (pad_with_zeros && !not_numeric) ? String("0") : String(" "); // Never pad NaN or inf with zeros
if (left_justified) {
number_str = number_str.rpad(pad_chars_count, pad_char);
} else {