qreal-ization

Using math wrapper functions instead direct call. This gives us top-level
control to what (single/double) precision we are effectively using.

Task-number: QTBUG-4894
Reviewed-by: janarve
Reviewed-by: Kim Motoyoshi Kalland

2 files changed, 2 insertions, 2 deletions

diff --git a/src/gui/styles/qcommonstyle.cpp b/src/gui/styles/qcommonstyle.cpp
index 5028e5f..c1beb6a 100644
--- a/src/gui/styles/qcommonstyle.cpp
+++ b/src/gui/styles/qcommonstyle.cpp
@@ -2775,7 +2775,7 @@ QRect QCommonStyle::subElementRect(SubElement sr, const QStyleOption *opt,
             QSize size = (sr == SE_TabBarTabLeftButton) ? tab->leftButtonSize : tab->rightButtonSize;
             int w = size.width();
             int h = size.height();
-            int midHeight = static_cast<int>(ceil(float(tr.height() - h) / 2));
+            int midHeight = static_cast<int>(qCeil(float(tr.height() - h) / 2));
             int midWidth = ((tr.width() - w) / 2);
 
             bool atTheTop = true;
diff --git a/src/gui/styles/qstylehelper.cpp b/src/gui/styles/qstylehelper.cpp
index af30f15..f5af960 100644
--- a/src/gui/styles/qstylehelper.cpp
+++ b/src/gui/styles/qstylehelper.cpp
@@ -154,7 +154,7 @@ qreal angle(const QPointF &p1, const QPointF &p2)
         }
 
         qreal m = -(y2 - y1) / (x2 - x1);
-        _angle = atan(m) *  rad_factor;
+        _angle = qAtan(m) *  rad_factor;
 
         if (p1.x() < p2.x())
             _angle = 180 - _angle;