mfbt/double-conversion/ToPrecision-exponential.patch

   1 1e7bf0c636b8cca54dd83456a0f8fa219343e2a1 Bug 608195 - part 2 - extend ToPrecision to tell use whether exponential notation was used
   2 diff --git a/mfbt/double-conversion/double-conversion.cc b/mfbt/double-conversion/double-conversion.cc
   3 index febba6c..394b6a0 100644
   4 --- a/mfbt/double-conversion/double-conversion.cc
   5 +++ b/mfbt/double-conversion/double-conversion.cc
   6 @@ -283,7 +283,9 @@ bool DoubleToStringConverter::ToExponential(
   7
   8  bool DoubleToStringConverter::ToPrecision(double value,
   9                                            int precision,
  10 +                                          bool* used_exponential_notation,
  11                                            StringBuilder* result_builder) const {
  12 +  *used_exponential_notation = false;
  13    if (Double(value).IsSpecial()) {
  14      return HandleSpecialValues(value, result_builder);
  15    }
  16 @@ -325,6 +327,7 @@ bool DoubleToStringConverter::ToPrecision(double value,
  17        decimal_rep[i] = '0';
  18      }
  19
  20 +    *used_exponential_notation = true;
  21      CreateExponentialRepresentation(decimal_rep,
  22                                      precision,
  23                                      exponent,
  24 diff --git a/mfbt/double-conversion/double-conversion.h b/mfbt/double-conversion/double-conversion.h
  25 index 0900ba0..957575c 100644
  26 --- a/mfbt/double-conversion/double-conversion.h
  27 +++ b/mfbt/double-conversion/double-conversion.h
  28 @@ -270,6 +270,7 @@ class DoubleToStringConverter {
  29    // exponent character, the exponent's sign, and at most 3 exponent digits).
  30    MFBT_API bool ToPrecision(double value,
  31                     int precision,
  32 +                   bool* used_exponential_notation,
  33                     StringBuilder* result_builder) const;
  34
  35    enum DtoaMode {