/**
   \file
   Operations between a vector and a point

   \author Lukas Nellen
   \version $Id: OperationsPV.h 19124 2011-05-03 09:56:49Z javierg $
   \date 25 Jul 2003
*/

#ifndef _utl_OperationsPV_h_
#define _utl_OperationsPV_h_

static const char CVSId_utl_OperationsPV[] =
  "$Id: OperationsPV.h 19124 2011-05-03 09:56:49Z javierg $";


namespace utl {


  inline
  Point
  operator+(const Point& l, const Vector& r)
  {
    r.TransformTo(l.fCoordinateSystem);
    return Point(l.fVector + r.fVector, l.fCoordinateSystem);
  }


  inline
  Point
  operator+(const Vector& l, const Point& r)
  {
    r.TransformTo(l.fCoordinateSystem);
    return Point(l.fVector + r.fVector, l.fCoordinateSystem);
  }


  inline
  Point
  operator-(const Point& l, const Vector& r)
  {
    r.TransformTo(l.fCoordinateSystem);
    return Point(l.fVector - r.fVector, l.fCoordinateSystem);
  }


  inline
  Vector
  operator-(const Point& l, const Point& r)
  {
    r.TransformTo(l.fCoordinateSystem);
    return Vector(l.fVector - r.fVector, l.fCoordinateSystem);
  }


  inline
  Point&
  operator+=(Point& p, const Vector& v)
  {
    v.TransformTo(p.fCoordinateSystem);
    p.fVector += v.fVector;
    return p;
  }


  inline
  Point&
  operator-=(Point& p, const Vector& v)
  {
    v.TransformTo(p.fCoordinateSystem);
    p.fVector -= v.fVector;
    return p;
  }


} // utl


#endif // _utl_OperationsPV_h_

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