diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/scatterinteractions/chartview.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/examples/scatterinteractions/chartview.cpp b/examples/scatterinteractions/chartview.cpp index 0d53175f..777930fd 100644 --- a/examples/scatterinteractions/chartview.cpp +++ b/examples/scatterinteractions/chartview.cpp @@ -19,7 +19,7 @@ ****************************************************************************/ #include "chartview.h" -#include <math.h> +#include <qmath.h> #include <QDebug> QTCOMMERCIALCHART_USE_NAMESPACE @@ -63,8 +63,10 @@ void ChartView::handleClickedPoint(const QPointF &point) QPointF closest(INT_MAX, INT_MAX); qreal distance(INT_MAX); foreach (QPointF currentPoint, m_scatter->points()) { - qreal currentDistance = sqrt((currentPoint.x() - clickedPoint.x()) * (currentPoint.x() - clickedPoint.x()) - + (currentPoint.y() - clickedPoint.y()) * (currentPoint.y() - clickedPoint.y())); + qreal currentDistance = qSqrt((currentPoint.x() - clickedPoint.x()) + * (currentPoint.x() - clickedPoint.x()) + + (currentPoint.y() - clickedPoint.y()) + * (currentPoint.y() - clickedPoint.y())); if (currentDistance < distance) { distance = currentDistance; closest = currentPoint; |