| 1 |
/**************************************************************************** |
| 2 |
** |
| 3 |
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). |
| 4 |
** All rights reserved. |
| 5 |
** Contact: Nokia Corporation (qt-info@nokia.com) |
| 6 |
** |
| 7 |
** This file is part of the QtCore module of the Qt Toolkit. |
| 8 |
** |
| 9 |
** $QT_BEGIN_LICENSE:LGPL$ |
| 10 |
** GNU Lesser General Public License Usage |
| 11 |
** This file may be used under the terms of the GNU Lesser General Public |
| 12 |
** License version 2.1 as published by the Free Software Foundation and |
| 13 |
** appearing in the file LICENSE.LGPL included in the packaging of this |
| 14 |
** file. Please review the following information to ensure the GNU Lesser |
| 15 |
** General Public License version 2.1 requirements will be met: |
| 16 |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| 17 |
** |
| 18 |
** In addition, as a special exception, Nokia gives you certain additional |
| 19 |
** rights. These rights are described in the Nokia Qt LGPL Exception |
| 20 |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| 21 |
** |
| 22 |
** GNU General Public License Usage |
| 23 |
** Alternatively, this file may be used under the terms of the GNU General |
| 24 |
** Public License version 3.0 as published by the Free Software Foundation |
| 25 |
** and appearing in the file LICENSE.GPL included in the packaging of this |
| 26 |
** file. Please review the following information to ensure the GNU General |
| 27 |
** Public License version 3.0 requirements will be met: |
| 28 |
** http://www.gnu.org/copyleft/gpl.html. |
| 29 |
** |
| 30 |
** Other Usage |
| 31 |
** Alternatively, this file may be used in accordance with the terms and |
| 32 |
** conditions contained in a signed written agreement between you and Nokia. |
| 33 |
** |
| 34 |
** |
| 35 |
** |
| 36 |
** |
| 37 |
** |
| 38 |
** $QT_END_LICENSE$ |
| 39 |
** |
| 40 |
****************************************************************************/ |
| 41 |
|
| 42 |
#include "qnumeric.h" |
| 43 |
#include "qnumeric_p.h" |
| 44 |
|
| 45 |
QT_BEGIN_NAMESPACE |
| 46 |
|
| 47 |
/*! |
| 48 |
Returns true if the double \a {d} is equivalent to infinity. |
| 49 |
*/ |
| 50 |
Q_CORE_EXPORT bool qIsInf(double d) { return qt_is_inf(d); } |
| 51 |
|
| 52 |
/*! |
| 53 |
Returns true if the double \a {d} is not a number (NaN). |
| 54 |
*/ |
| 55 |
Q_CORE_EXPORT bool qIsNaN(double d) { return qt_is_nan(d); } |
| 56 |
|
| 57 |
/*! |
| 58 |
Returns true if the double \a {d} is a finite number. |
| 59 |
*/ |
| 60 |
Q_CORE_EXPORT bool qIsFinite(double d) { return qt_is_finite(d); } |
| 61 |
|
| 62 |
/*! |
| 63 |
Returns true if the float \a {f} is equivalent to infinity. |
| 64 |
*/ |
| 65 |
Q_CORE_EXPORT bool qIsInf(float f) { return qt_is_inf(f); } |
| 66 |
|
| 67 |
/*! |
| 68 |
Returns true if the float \a {f} is not a number (NaN). |
| 69 |
*/ |
| 70 |
Q_CORE_EXPORT bool qIsNaN(float f) { return qt_is_nan(f); } |
| 71 |
|
| 72 |
/*! |
| 73 |
Returns true if the float \a {f} is a finite number. |
| 74 |
*/ |
| 75 |
Q_CORE_EXPORT bool qIsFinite(float f) { return qt_is_finite(f); } |
| 76 |
|
| 77 |
/*! |
| 78 |
Returns the bit pattern of a signalling NaN as a double. |
| 79 |
*/ |
| 80 |
Q_CORE_EXPORT double qSNaN() { return qt_snan(); } |
| 81 |
|
| 82 |
/*! |
| 83 |
Returns the bit pattern of a quiet NaN as a double. |
| 84 |
*/ |
| 85 |
Q_CORE_EXPORT double qQNaN() { return qt_qnan(); } |
| 86 |
|
| 87 |
/*! |
| 88 |
Returns the bit pattern for an infinite number as a double. |
| 89 |
*/ |
| 90 |
Q_CORE_EXPORT double qInf() { return qt_inf(); } |
| 91 |
|
| 92 |
|
| 93 |
QT_END_NAMESPACE |
