f9f395c28b
Updated version of LGPL and FDL licenseheaders. Apply release phase licenseheaders for all source files. Reviewed-by: Trust Me
68 lines
2.3 KiB
C++
68 lines
2.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtTest/QtTest>
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#include <qmath.h>
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static const qreal PI = 3.14159265358979323846264338327950288;
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class tst_QMath : public QObject
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{
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Q_OBJECT
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private slots:
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void fastSinCos();
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};
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void tst_QMath::fastSinCos()
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{
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// Test evenly spaced angles from 0 to 2pi radians.
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const int LOOP_COUNT = 100000;
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for (int i = 0; i < LOOP_COUNT; ++i) {
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qreal angle = i * 2 * PI / (LOOP_COUNT - 1);
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QVERIFY(qAbs(qSin(angle) - qFastSin(angle)) < 1e-5);
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QVERIFY(qAbs(qCos(angle) - qFastCos(angle)) < 1e-5);
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}
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}
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QTEST_APPLESS_MAIN(tst_QMath)
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#include "tst_qmath.moc"
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