diff options
Diffstat (limited to 'src/corelib/json/qjsonwriter.cpp')
| -rw-r--r-- | src/corelib/json/qjsonwriter.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/corelib/json/qjsonwriter.cpp b/src/corelib/json/qjsonwriter.cpp index c284f76cbb3..8426b351f6f 100644 --- a/src/corelib/json/qjsonwriter.cpp +++ b/src/corelib/json/qjsonwriter.cpp @@ -171,8 +171,8 @@ static void valueToJson(const QJsonPrivate::Base *b, const QJsonPrivate::Value & break; case QJsonValue::Double: { const double d = v.toDouble(b); - if (qIsFinite(d)) - json += QByteArray::number(d); + if (qIsFinite(d)) // +2 to format to ensure the expected precision + json += QByteArray::number(d, 'g', std::numeric_limits<double>::digits10 + 2); // ::digits10 is 15 else json += "null"; // +INF || -INF || NaN (see RFC4627#section2.4) break; |