Added autotest for qFastSin() and qFastCos().

Reviewed-by: Trond

2 files changed, 73 insertions, 0 deletions

diff --git a/tests/auto/qmath/qmath.pro b/tests/auto/qmath/qmath.pro
new file mode 100644
index 0000000..03134ee
--- /dev/null
+++ b/tests/auto/qmath/qmath.pro
@@ -0,0 +1,6 @@
+load(qttest_p4)
+
+QT = core
+
+SOURCES += tst_qmath.cpp
+QT = core
diff --git a/tests/auto/qmath/tst_qmath.cpp b/tests/auto/qmath/tst_qmath.cpp
new file mode 100644
index 0000000..efc7cfa
--- /dev/null
+++ b/tests/auto/qmath/tst_qmath.cpp
@@ -0,0 +1,67 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite 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 <QtTest/QtTest>
+#include <qmath.h>
+
+static const qreal PI = 3.14159265358979323846264338327950288;
+
+class tst_QMath : public QObject
+{
+    Q_OBJECT
+private slots:
+    void fastSinCos();
+};
+
+void tst_QMath::fastSinCos()
+{
+    // 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) - qFastSin(angle)) < 1e-5);
+        QVERIFY(qAbs(qCos(angle) - qFastCos(angle)) < 1e-5);
+    }
+}
+
+QTEST_APPLESS_MAIN(tst_QMath)
+
+#include "tst_qmath.moc"