// @(#)root/mathcore:$Id$
// Authors: W. Brown, M. Fischler, L. Moneta    2005

 /**********************************************************************
  *                                                                    *
  * Copyright (c) 2005 , LCG ROOT MathLib Team                         *
  *                                                                    *
  *                                                                    *
  **********************************************************************/

// Header file Point2Dfwd
//
// Created by: Lorenzo Moneta  at Mon Apr 16 2007
//

#ifndef ROOT_Math_Point2Dfwd
#define ROOT_Math_Point2Dfwd  1

// forward declareations of position vectors (Points) and type defs definitions

namespace ROOT {

   namespace Math {

      template<class CoordSystem, class Tag> class PositionVector2D;

      template<typename T> class Cartesian2D;
      template<typename T> class Polar2D;

      class DefaultCoordinateSystemTag;

      /**
         2D Point based on the cartesian coordinates x,y,z in double precision
      */
      typedef PositionVector2D< Cartesian2D<double>, DefaultCoordinateSystemTag > XYPoint;
      typedef XYPoint XYPointD;

      /**
         2D Point based on the cartesian coordinates x,y,z in single precision
      */
      typedef PositionVector2D< Cartesian2D<float>, DefaultCoordinateSystemTag > XYPointF;


      /**
         2D Point based on the polar coordinates rho, theta, phi in double precision.
      */
      typedef PositionVector2D< Polar2D<double>, DefaultCoordinateSystemTag > Polar2DPoint;
      typedef Polar2DPoint Polar2DPointD;

      /**
         2D Point based on the polar coordinates rho, theta, phi in single precision.
      */
      typedef PositionVector2D< Polar2D<float>, DefaultCoordinateSystemTag > Polar2DPointF;



   } // end namespace Math

} // end namespace ROOT


#endif /* ROOT_Math_Point2Dfwd  */