diff options
author | Liang Qi <liang.qi@qt.io> | 2016-05-04 16:14:45 +0200 |
---|---|---|
committer | Liang Qi <liang.qi@qt.io> | 2016-05-04 16:14:45 +0200 |
commit | 944b6878df86a81f03377625b2be2797c2e13b9b (patch) | |
tree | 80ace12e33f7a4187a0509949cc7bcdd6a02f856 /src/qml/jsruntime/qv4mathobject.cpp | |
parent | 8f7b36f8999f5f906d6a425d6e54c6c86be4c77e (diff) | |
parent | 9bb640625d1e929f8caac34fa0a0fedeef8687ca (diff) |
Merge remote-tracking branch 'origin/5.7' into dev
Change-Id: I694ac053b53b669ef5578fd0074de5ce109f7a09
Diffstat (limited to 'src/qml/jsruntime/qv4mathobject.cpp')
-rw-r--r-- | src/qml/jsruntime/qv4mathobject.cpp | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/qml/jsruntime/qv4mathobject.cpp b/src/qml/jsruntime/qv4mathobject.cpp index df1c8c6049..5528409b40 100644 --- a/src/qml/jsruntime/qv4mathobject.cpp +++ b/src/qml/jsruntime/qv4mathobject.cpp @@ -86,17 +86,18 @@ Heap::MathObject::MathObject() m->defineDefaultProperty(QStringLiteral("tan"), QV4::MathObject::method_tan, 1); } -/* copies the sign from y to x and returns the result */ -static double copySign(double x, double y) +#ifdef Q_OS_ANDROID +// C++11's std::copysign is missing in the std namespace, so get it from the root namespace (math.h) +static Q_ALWAYS_INLINE double copySign(double x, double y) { - uchar *xch = (uchar *)&x; - uchar *ych = (uchar *)&y; - if (QSysInfo::ByteOrder == QSysInfo::BigEndian) - xch[0] = (xch[0] & 0x7f) | (ych[0] & 0x80); - else - xch[7] = (xch[7] & 0x7f) | (ych[7] & 0x80); - return x; + return ::copysign(x, y); +} +#else // Ok, we have a proper C++11 standard library +static Q_ALWAYS_INLINE double copySign(double x, double y) +{ + return std::copysign(x, y); } +#endif ReturnedValue MathObject::method_abs(CallContext *context) { |