diff options
Diffstat (limited to 'src/quick/util/qquicktimeline.cpp')
| -rw-r--r-- | src/quick/util/qquicktimeline.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/quick/util/qquicktimeline.cpp b/src/quick/util/qquicktimeline.cpp index 0c744cca9d..f1d7e19dc2 100644 --- a/src/quick/util/qquicktimeline.cpp +++ b/src/quick/util/qquicktimeline.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtQml module of the Qt Toolkit. @@ -49,6 +49,7 @@ #include <QCoreApplication> #include <QEasingCurve> #include <QTime> +#include <QtNumeric> QT_BEGIN_NAMESPACE @@ -386,7 +387,7 @@ void QQuickTimeLine::set(QQuickTimeLineValue &timeLineValue, qreal value) */ int QQuickTimeLine::accel(QQuickTimeLineValue &timeLineValue, qreal velocity, qreal acceleration) { - if (acceleration == 0.0f) + if (qFuzzyIsNull(acceleration) || qIsNaN(acceleration)) return -1; if ((velocity > 0.0f) == (acceleration > 0.0f)) @@ -412,7 +413,7 @@ int QQuickTimeLine::accel(QQuickTimeLineValue &timeLineValue, qreal velocity, qr */ int QQuickTimeLine::accel(QQuickTimeLineValue &timeLineValue, qreal velocity, qreal acceleration, qreal maxDistance) { - if (maxDistance == 0.0f || acceleration == 0.0f) + if (qFuzzyIsNull(maxDistance) || qIsNaN(maxDistance) || qFuzzyIsNull(acceleration) || qIsNaN(acceleration)) return -1; Q_ASSERT(acceleration > 0.0f && maxDistance > 0.0f); @@ -441,7 +442,7 @@ int QQuickTimeLine::accel(QQuickTimeLineValue &timeLineValue, qreal velocity, qr */ int QQuickTimeLine::accelDistance(QQuickTimeLineValue &timeLineValue, qreal velocity, qreal distance) { - if (distance == 0.0f || velocity == 0.0f) + if (qFuzzyIsNull(distance) || qIsNaN(distance) || qFuzzyIsNull(velocity) || qIsNaN(velocity)) return -1; Q_ASSERT((distance >= 0.0f) == (velocity >= 0.0f)); |