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#ifndef COIN_SBVEC4D_H
#define COIN_SBVEC4D_H
/**************************************************************************\
*
* This file is part of the Coin 3D visualization library.
* Copyright (C) 1998-2004 by Systems in Motion. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.GPL at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using Coin with software that can not be combined with the GNU
* GPL, and for taking advantage of the additional benefits of our
* support services, please contact Systems in Motion about acquiring
* a Coin Professional Edition License.
*
* See <URL:http://www.coin3d.org/> for more information.
*
* Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
* <URL:http://www.sim.no/>.
*
\**************************************************************************/
#include <stdio.h>
#include <Inventor/SbBasic.h>
class SbVec3d;
class COIN_DLL_API SbVec4d {
public:
SbVec4d(void);
SbVec4d(const double v[4]);
SbVec4d(const double x, const double y, const double z, const double w);
double dot(const SbVec4d& v) const;
SbBool equals(const SbVec4d& v, const double tolerance) const;
void getReal(SbVec3d& v) const;
const double* getValue(void) const;
void getValue(double& x, double& y, double& z, double& w) const;
double length(void) const;
void negate(void);
double normalize(void);
SbVec4d& setValue(const double v[4]);
SbVec4d& setValue(const double x, const double y, const double z,
const double w);
double& operator [](const int i);
const double& operator [](const int i) const;
SbVec4d& operator *=(const double d);
SbVec4d& operator /=(const double d);
SbVec4d& operator +=(const SbVec4d& u);
SbVec4d& operator -=(const SbVec4d& u);
SbVec4d operator -(void) const;
friend COIN_DLL_API SbVec4d operator *(const SbVec4d& v, const double d);
friend COIN_DLL_API SbVec4d operator *(const double d, const SbVec4d& v);
friend COIN_DLL_API SbVec4d operator /(const SbVec4d& v, const double d);
friend COIN_DLL_API SbVec4d operator +(const SbVec4d& v1, const SbVec4d& v2);
friend COIN_DLL_API SbVec4d operator -(const SbVec4d& v1, const SbVec4d& v2);
friend COIN_DLL_API int operator ==(const SbVec4d& v1, const SbVec4d& v2);
friend COIN_DLL_API int operator !=(const SbVec4d& v1, const SbVec4d& v2);
void print(FILE * fp) const;
private:
double vec[4];
};
COIN_DLL_API SbVec4d operator *(const SbVec4d& v, const double d);
COIN_DLL_API SbVec4d operator *(const double d, const SbVec4d& v);
COIN_DLL_API SbVec4d operator /(const SbVec4d& v, const double d);
COIN_DLL_API SbVec4d operator +(const SbVec4d& v1, const SbVec4d& v2);
COIN_DLL_API SbVec4d operator -(const SbVec4d& v1, const SbVec4d& v2);
COIN_DLL_API int operator ==(const SbVec4d& v1, const SbVec4d& v2);
COIN_DLL_API int operator !=(const SbVec4d& v1, const SbVec4d& v2);
#endif // !COIN_SBVEC4D_H
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