charthelpers_p.h
55 lines
| 1.5 KiB
| text/x-c
|
CLexer
/ src / charthelpers_p.h
Miikka Heikkinen
|
r2435 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2013 Digia Plc | ||||
** All rights reserved. | ||||
** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
** | ||||
** This file is part of the Qt Commercial Charts Add-on. | ||||
** | ||||
** $QT_BEGIN_LICENSE$ | ||||
** Licensees holding valid Qt Commercial licenses may use this file in | ||||
** accordance with the Qt Commercial License Agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and Digia. | ||||
** | ||||
** If you have questions regarding the use of this file, please use | ||||
** contact form at http://qt.digia.com | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
// W A R N I N G | ||||
// ------------- | ||||
// | ||||
// This file is not part of the QtCommercial Chart API. It exists purely as an | ||||
// implementation detail. This header file may change from version to | ||||
// version without notice, or even be removed. | ||||
// | ||||
// We mean it. | ||||
Mika Salmela
|
r2424 | #ifndef CHARTHELPERS_P_H | ||
#define CHARTHELPERS_P_H | ||||
#include <qnumeric.h> | ||||
#include <QPointF> | ||||
static inline bool isValidValue(qreal value) | ||||
{ | ||||
if (qIsNaN(value) || qIsInf(value)) { | ||||
qWarning("Ignored NaN, Inf, or -Inf value."); | ||||
return false; | ||||
} | ||||
return true; | ||||
} | ||||
static inline bool isValidValue(qreal x, qreal y) | ||||
{ | ||||
return (isValidValue(x) && isValidValue(y)); | ||||
} | ||||
static inline bool isValidValue(const QPointF point) | ||||
{ | ||||
return (isValidValue(point.x()) && isValidValue(point.y())); | ||||
} | ||||
#endif // CHARTHELPERS_P_H | ||||