diff options
author | Allan Sandfeld Jensen <allan.jensen@theqtcompany.com> | 2015-01-14 11:17:47 +0100 |
---|---|---|
committer | Allan Sandfeld Jensen <allan.jensen@theqtcompany.com> | 2015-02-16 16:21:15 +0000 |
commit | 515e802ae20c045e5c47b400ee6ef6e92349c978 (patch) | |
tree | f9f4be4c9e360611b5823ef28c2cb293733aee42 /examples/widgets/itemviews/storageview/storagemodel.cpp | |
parent | 3d835eb62e70435fe32318441dc7c10aba3a6fba (diff) |
Use C++ <cmath> instead of <math.h>
Including math.h can pollute the default namespace, and break
some compilers if cmath versions of the method are declared as using.
Switching to C++ math functions also greatly simplifies handling of
float qreal as C++ automatically chooses the right method.
[ChangeLog][QtCore][QtMath] qmath.h no longer includes math.h, so any
sources depending on that indirect inclusion may fail to build.
Change-Id: I4d0e331dafba354ec05dc5052e61ef4ff8d387fe
Reviewed-by: Rafael Roquetto <rafael.roquetto@kdab.com>
Diffstat (limited to 'examples/widgets/itemviews/storageview/storagemodel.cpp')
-rw-r--r-- | examples/widgets/itemviews/storageview/storagemodel.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/examples/widgets/itemviews/storageview/storagemodel.cpp b/examples/widgets/itemviews/storageview/storagemodel.cpp index d70f53ce89..9f8d229c77 100644 --- a/examples/widgets/itemviews/storageview/storagemodel.cpp +++ b/examples/widgets/itemviews/storageview/storagemodel.cpp @@ -43,6 +43,7 @@ #include <QDir> #include <qmath.h> +#include <cmath> static QString sizeToString(qint64 size) { @@ -51,11 +52,11 @@ static QString sizeToString(qint64 size) if (size <= 0) return StorageModel::tr("0 b"); - double power = log((double)size)/log(1024.0); + double power = std::log((double)size)/std::log(1024.0); int intPower = (int)power; intPower = intPower >= 8 ? 8 - 1 : intPower; - double normSize = size / pow(1024.0, intPower); + double normSize = size / std::pow(1024.0, intPower); //: this should expand to "1.23 GB" return StorageModel::tr("%1 %2").arg(normSize, 0, 'f', intPower > 0 ? 2 : 0).arg(strings[intPower]); } |