diff options
| author | Liang Qi <liang.qi@qt.io> | 2017-03-28 09:23:03 +0200 |
|---|---|---|
| committer | Liang Qi <liang.qi@qt.io> | 2017-03-28 09:28:31 +0200 |
| commit | b48a13fd6843e12b5725aa3ff0d010007e7c43b4 (patch) | |
| tree | 316cfe36fc67906efcd92ff806c7c0da56ed4f8e /src/corelib/json/qjsonwriter.cpp | |
| parent | 3398d9d40cb0dae2dc2a1a4f7dc3b4b9cceae903 (diff) | |
| parent | 15fe60cfdada84ea519f08e905d59cc3fb6d20cd (diff) | |
Merge remote-tracking branch 'origin/5.9' into dev
Conflicts:
examples/examples.pro
tests/auto/corelib/tools/qchar/tst_qchar.cpp
tests/auto/other/qaccessibility/accessiblewidgets.h
Change-Id: I426696c40ab57d14dc295b8103152cede79f244c
Diffstat (limited to 'src/corelib/json/qjsonwriter.cpp')
| -rw-r--r-- | src/corelib/json/qjsonwriter.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/corelib/json/qjsonwriter.cpp b/src/corelib/json/qjsonwriter.cpp index b1544c749d..12ce20ef09 100644 --- a/src/corelib/json/qjsonwriter.cpp +++ b/src/corelib/json/qjsonwriter.cpp @@ -38,6 +38,7 @@ ** ****************************************************************************/ +#include <cmath> #include <qlocale.h> #include "qjsonwriter_p.h" #include "qjson_p.h" @@ -129,10 +130,12 @@ static void valueToJson(const QJsonPrivate::Base *b, const QJsonPrivate::Value & break; case QJsonValue::Double: { const double d = v.toDouble(b); - if (qIsFinite(d)) // +2 to format to ensure the expected precision - json += QByteArray::number(d, 'g', QLocale::FloatingPointShortest); - else + if (qIsFinite(d)) { // +2 to format to ensure the expected precision + const double abs = std::abs(d); + json += QByteArray::number(d, abs == static_cast<quint64>(abs) ? 'f' : 'g', QLocale::FloatingPointShortest); + } else { json += "null"; // +INF || -INF || NaN (see RFC4627#section2.4) + } break; } case QJsonValue::String: |