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Diffstat (limited to 'src/gui/math3d/qmath3dutil_p.h')
-rw-r--r-- | src/gui/math3d/qmath3dutil_p.h | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/gui/math3d/qmath3dutil_p.h b/src/gui/math3d/qmath3dutil_p.h deleted file mode 100644 index fa4c156..0000000 --- a/src/gui/math3d/qmath3dutil_p.h +++ /dev/null @@ -1,96 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the $MODULE$ 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 either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** 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 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QMATH3DUTIL_P_H -#define QMATH3DUTIL_P_H - -#include <QtGui/qmath3dglobal.h> -#include <QtCore/qmath.h> - -QT_BEGIN_NAMESPACE - -#ifdef QT_GL_FIXED_PREFERRED -#define qvtsqrt(x) ((x).sqrtF()) -#else -#define qvtsqrt(x) qSqrt((x)) -#endif - -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - -void qt_math3d_sincos(qreal degrees, qrealinner *s, qrealinner *c); - -#ifdef QT_GL_FIXED_PREFERRED - -inline qrealinner qf2vt_round(qreal x) -{ - QFixedPt<16> result; - if (x >= 0.0f) - result.setBits(int(x * 65536.0f + 0.5f)); - else - result.setBits(int(x * 65536.0f - 0.5f)); - return result; -} - -// Helper macros for computing dot products without losing precision. -// In fixed-point mode, a 64-bit intermediate result is used. -#define qvtmul64(x,y) ((qint64((x).bits())) * (qint64((y).bits()))) -#define qvtsqrt64(x) \ - (qt_math3d_fixed_sqrt((x) << 16) / (qreal)(1 << 24)) -#define qvtdot64(x) ((x) / (qreal)(((qint64)1) << 32)) - -#else - -inline qrealinner qf2vt_round(qreal x) -{ - return x; -} - -#define qvtmul64(x,y) ((x) * (y)) -#define qvtsqrt64(x) (qvtsqrt((x))) -#define qvtdot64(x) ((x)) - -#endif - -QT_END_NAMESPACE - -#endif |