зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
2.9 KiB
Diff
63 строки
2.9 KiB
Diff
diff --git a/mfbt/double-conversion/double-conversion/double-conversion.cc b/mfbt/double-conversion/double-conversion/double-conversion.cc
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--- a/mfbt/double-conversion/double-conversion/double-conversion.cc
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+++ b/mfbt/double-conversion/double-conversion/double-conversion.cc
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@@ -279,17 +279,19 @@ bool DoubleToStringConverter::ToExponent
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exponent,
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result_builder);
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return true;
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}
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bool DoubleToStringConverter::ToPrecision(double value,
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int precision,
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+ bool* used_exponential_notation,
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StringBuilder* result_builder) const {
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+ *used_exponential_notation = false;
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if (Double(value).IsSpecial()) {
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return HandleSpecialValues(value, result_builder);
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}
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if (precision < kMinPrecisionDigits || precision > kMaxPrecisionDigits) {
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return false;
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}
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@@ -321,16 +323,17 @@ bool DoubleToStringConverter::ToPrecisio
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max_trailing_padding_zeroes_in_precision_mode_)) {
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// Fill buffer to contain 'precision' digits.
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// Usually the buffer is already at the correct length, but 'DoubleToAscii'
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// is allowed to return less characters.
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for (int i = decimal_rep_length; i < precision; ++i) {
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decimal_rep[i] = '0';
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}
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+ *used_exponential_notation = true;
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CreateExponentialRepresentation(decimal_rep,
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precision,
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exponent,
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result_builder);
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} else {
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CreateDecimalRepresentation(decimal_rep, decimal_rep_length, decimal_point,
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Max(0, precision - decimal_point),
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result_builder);
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diff --git a/mfbt/double-conversion/double-conversion/double-conversion.h b/mfbt/double-conversion/double-conversion/double-conversion.h
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--- a/mfbt/double-conversion/double-conversion/double-conversion.h
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+++ b/mfbt/double-conversion/double-conversion/double-conversion.h
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@@ -265,16 +265,17 @@ class DoubleToStringConverter {
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// been provided to the constructor,
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// - precision < kMinPericisionDigits
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// - precision > kMaxPrecisionDigits
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// The last condition implies that the result will never contain more than
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// kMaxPrecisionDigits + 7 characters (the sign, the decimal point, the
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// exponent character, the exponent's sign, and at most 3 exponent digits).
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MFBT_API bool ToPrecision(double value,
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int precision,
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+ bool* used_exponential_notation,
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StringBuilder* result_builder) const;
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enum DtoaMode {
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// Produce the shortest correct representation.
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// For example the output of 0.299999999999999988897 is (the less accurate
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// but correct) 0.3.
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SHORTEST,
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// Same as SHORTEST, but for single-precision floats.
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