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SbVec4f.h

00001 #ifndef COIN_SBVEC4F_H
00002 #define COIN_SBVEC4F_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Systems in Motion about acquiring
00018  *  a Coin Professional Edition License.
00019  *
00020  *  See <URL:http://www.coin3d.org> for  more information.
00021  *
00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
00023  *  <URL:http://www.sim.no>.
00024  *
00025 \**************************************************************************/
00026 
00027 #include <stdio.h>
00028 
00029 #include <Inventor/SbBasic.h>
00030 
00031 class SbVec3f;
00032 
00033 class COIN_DLL_API SbVec4f {
00034 public:
00035   SbVec4f(void);
00036   SbVec4f(const float v[4]);
00037   SbVec4f(const float x, const float y, const float z, const float w);
00038   float dot(const SbVec4f& v) const;
00039   SbBool equals(const SbVec4f& v, const float tolerance) const;
00040   void getReal(SbVec3f& v) const;
00041   const float* getValue(void) const;
00042   void getValue(float& x, float& y, float& z, float& w) const;
00043   float length(void) const;
00044   void negate(void);
00045   float normalize(void);
00046   SbVec4f& setValue(const float v[4]);
00047   SbVec4f& setValue(const float x, const float y, const float z,
00048                     const float w);
00049   float& operator [](const int i);
00050   const float& operator [](const int i) const;
00051   SbVec4f& operator *=(const float d);
00052   SbVec4f& operator /=(const float d);
00053   SbVec4f& operator +=(const SbVec4f& u);
00054   SbVec4f& operator -=(const SbVec4f& u);
00055   SbVec4f operator-(void) const;
00056   friend COIN_DLL_API SbVec4f operator *(const SbVec4f& v, const float d);
00057   friend COIN_DLL_API SbVec4f operator *(const float d, const SbVec4f& v);
00058   friend COIN_DLL_API SbVec4f operator /(const SbVec4f& v, const float d);
00059   friend COIN_DLL_API SbVec4f operator +(const SbVec4f& v1, const SbVec4f& v2);
00060   friend COIN_DLL_API SbVec4f operator -(const SbVec4f& v1, const SbVec4f& v2);
00061   friend COIN_DLL_API int operator ==(const SbVec4f& v1, const SbVec4f& v2);
00062   friend COIN_DLL_API int operator !=(const SbVec4f& v1, const SbVec4f& v2);
00063 
00064   void print(FILE * fp) const;
00065 
00066 private:
00067   float vec[4];
00068 };
00069 
00070 COIN_DLL_API SbVec4f operator *(const SbVec4f& v, const float d);
00071 COIN_DLL_API SbVec4f operator *(const float d, const SbVec4f& v);
00072 COIN_DLL_API SbVec4f operator /(const SbVec4f& v, const float d);
00073 COIN_DLL_API SbVec4f operator +(const SbVec4f& v1, const SbVec4f& v2);
00074 COIN_DLL_API SbVec4f operator -(const SbVec4f& v1, const SbVec4f& v2);
00075 COIN_DLL_API int operator ==(const SbVec4f& v1, const SbVec4f& v2);
00076 COIN_DLL_API int operator !=(const SbVec4f& v1, const SbVec4f& v2);
00077 
00078 #endif // !COIN_SBVEC4F_H

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