diff options
| author | Qt by Nokia <qt-info@nokia.com> | 2011-04-27 12:05:43 +0200 |
|---|---|---|
| committer | axis <qt-info@nokia.com> | 2011-04-27 12:05:43 +0200 |
| commit | 38be0d13830efd2d98281c645c3a60afe05ffece (patch) | |
| tree | 6ea73f3ec77f7d153333779883e8120f82820abe /src/corelib/global/qnumeric.cpp | |
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:
http://qt.gitorious.org/qt/pages/GitIntroductionWithQt
If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.
Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12
Diffstat (limited to 'src/corelib/global/qnumeric.cpp')
| -rw-r--r-- | src/corelib/global/qnumeric.cpp | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/src/corelib/global/qnumeric.cpp b/src/corelib/global/qnumeric.cpp new file mode 100644 index 00000000000..b602158d4f7 --- /dev/null +++ b/src/corelib/global/qnumeric.cpp @@ -0,0 +1,93 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qnumeric.h" +#include "qnumeric_p.h" + +QT_BEGIN_NAMESPACE + +/*! + Returns true if the double \a {d} is equivalent to infinity. +*/ +Q_CORE_EXPORT bool qIsInf(double d) { return qt_is_inf(d); } + +/*! + Returns true if the double \a {d} is not a number (NaN). +*/ +Q_CORE_EXPORT bool qIsNaN(double d) { return qt_is_nan(d); } + +/*! + Returns true if the double \a {d} is a finite number. +*/ +Q_CORE_EXPORT bool qIsFinite(double d) { return qt_is_finite(d); } + +/*! + Returns true if the float \a {f} is equivalent to infinity. +*/ +Q_CORE_EXPORT bool qIsInf(float f) { return qt_is_inf(f); } + +/*! + Returns true if the float \a {f} is not a number (NaN). +*/ +Q_CORE_EXPORT bool qIsNaN(float f) { return qt_is_nan(f); } + +/*! + Returns true if the float \a {f} is a finite number. +*/ +Q_CORE_EXPORT bool qIsFinite(float f) { return qt_is_finite(f); } + +/*! + Returns the bit pattern of a signalling NaN as a double. +*/ +Q_CORE_EXPORT double qSNaN() { return qt_snan(); } + +/*! + Returns the bit pattern of a quiet NaN as a double. +*/ +Q_CORE_EXPORT double qQNaN() { return qt_qnan(); } + +/*! + Returns the bit pattern for an infinite number as a double. +*/ +Q_CORE_EXPORT double qInf() { return qt_inf(); } + + +QT_END_NAMESPACE |