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add QMath test

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2021-09-19 04:30:38 +03:00
parent e09d871a43
commit eb97a89a49
2 changed files with 50 additions and 0 deletions
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3
tests/auto/qmath/CMakeLists.txt Normal file
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katie_test(tst_qmath
${CMAKE_CURRENT_SOURCE_DIR}/tst_qmath.cpp
)

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tests/auto/qmath/tst_qmath.cpp Normal file
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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016 Ivailo Monev
**
** This file is part of the test suite of the Katie Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
**
** GNU Lesser General Public License Usage
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtTest/QtTest>
#include <qmath.h>
static const qreal PI = 3.14159265358979323846264338327950288;
class tst_QMath : public QObject
{
Q_OBJECT
private slots:
void sinCos();
};
void tst_QMath::sinCos()
{
// Test evenly spaced angles from 0 to 2pi radians.
const int LOOP_COUNT = 100000;
for (int i = 0; i < LOOP_COUNT; ++i) {
qreal angle = i * 2 * PI / (LOOP_COUNT - 1);
QVERIFY(qAbs(qSin(angle) - qSin(angle)) < 1e-5);
QVERIFY(qAbs(qCos(angle) - qCos(angle)) < 1e-5);
}
}
QTEST_APPLESS_MAIN(tst_QMath)
#include "moc_tst_qmath.cpp"