Vector3D.cpp

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/***************************************************************************
                          Vector3D.cpp
                          ------------
    copyright            : (C) 2004 by Marco Hugentobler
    email                : mhugent@geo.unizh.ch
 ***************************************************************************/
 
/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "Vector3D.h"
 
double Vector3D::getLength() const
{
  return sqrt( getX() * getX() + getY() * getY() + getZ() * getZ() );
}
 
void Vector3D::standardise()
{
  const double length = getLength();
  setX( getX() / length );
  setY( getY() / length );
  setZ( getZ() / length );
}
 
bool Vector3D::operator==( const Vector3D &v ) const
{
  return ( mX == v.getX() && mY == v.getY() && mZ == v.getZ() );
}
 
bool Vector3D::operator!=( const Vector3D &v ) const
{
  return ( !( ( *this ) == v ) );
}