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SbVec4f.h

00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2003 by Systems in Motion. All rights reserved. 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Lesser General Public License 00008 * version 2.1 as published by the Free Software Foundation. See the 00009 * file LICENSE.LGPL at the root directory of the distribution for 00010 * more details. 00011 * 00012 * If you want to use Coin for applications not compatible with the 00013 * LGPL, please contact SIM to acquire a Professional Edition license. 00014 * 00015 * Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SBVEC4F_H 00021 #define COIN_SBVEC4F_H 00022 00023 #include <stdio.h> 00024 00025 #include <Inventor/SbBasic.h> 00026 00027 class SbVec3f; 00028 00029 class COIN_DLL_API SbVec4f { 00030 public: 00031 SbVec4f(void); 00032 SbVec4f(const float v[4]); 00033 SbVec4f(const float x, const float y, const float z, const float w); 00034 float dot(const SbVec4f& v) const; 00035 SbBool equals(const SbVec4f& v, const float tolerance) const; 00036 void getReal(SbVec3f& v) const; 00037 const float* getValue(void) const; 00038 void getValue(float& x, float& y, float& z, float& w) const; 00039 float length(void) const; 00040 void negate(void); 00041 float normalize(void); 00042 SbVec4f& setValue(const float v[4]); 00043 SbVec4f& setValue(const float x, const float y, const float z, 00044 const float w); 00045 float& operator [](const int i); 00046 const float& operator [](const int i) const; 00047 SbVec4f& operator *=(const float d); 00048 SbVec4f& operator /=(const float d); 00049 SbVec4f& operator +=(const SbVec4f& u); 00050 SbVec4f& operator -=(const SbVec4f& u); 00051 SbVec4f operator-(void) const; 00052 friend COIN_DLL_API SbVec4f operator *(const SbVec4f& v, const float d); 00053 friend COIN_DLL_API SbVec4f operator *(const float d, const SbVec4f& v); 00054 friend COIN_DLL_API SbVec4f operator /(const SbVec4f& v, const float d); 00055 friend COIN_DLL_API SbVec4f operator +(const SbVec4f& v1, const SbVec4f& v2); 00056 friend COIN_DLL_API SbVec4f operator -(const SbVec4f& v1, const SbVec4f& v2); 00057 friend COIN_DLL_API int operator ==(const SbVec4f& v1, const SbVec4f& v2); 00058 friend COIN_DLL_API int operator !=(const SbVec4f& v1, const SbVec4f& v2); 00059 00060 void print(FILE * fp) const; 00061 00062 private: 00063 float vec[4]; 00064 }; 00065 00066 COIN_DLL_API SbVec4f operator *(const SbVec4f& v, const float d); 00067 COIN_DLL_API SbVec4f operator *(const float d, const SbVec4f& v); 00068 COIN_DLL_API SbVec4f operator /(const SbVec4f& v, const float d); 00069 COIN_DLL_API SbVec4f operator +(const SbVec4f& v1, const SbVec4f& v2); 00070 COIN_DLL_API SbVec4f operator -(const SbVec4f& v1, const SbVec4f& v2); 00071 COIN_DLL_API int operator ==(const SbVec4f& v1, const SbVec4f& v2); 00072 COIN_DLL_API int operator !=(const SbVec4f& v1, const SbVec4f& v2); 00073 00074 #endif // !COIN_SBVEC4F_H

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