MnParabolaPoint.h

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// @(#)root/minuit2:$Id$
// Authors: M. Winkler, F. James, L. Moneta, A. Zsenei   2003-2005
 
/**********************************************************************
 *                                                                    *
 * Copyright (c) 2005 LCG ROOT Math team,  CERN/PH-SFT                *
 *                                                                    *
 **********************************************************************/
 
#ifndef ROOT_Minuit2_MnParabolaPoint
#define ROOT_Minuit2_MnParabolaPoint
 
namespace ROOT {
 
   namespace Minuit2 {
 
 
 
/**
 
A point of a parabola.
 
<p>
 
????!!!! in reality it is just a general point in two dimensional space,
there is nothing that would indicate, that it belongs to a parabola.
This class defines simpy an (x,y) pair!!!!
 
@author Fred James and Matthias Winkler; comments added by Andras Zsenei
and Lorenzo Moneta
 
@ingroup Minuit
 
\todo Should it be called MnParabolaPoint or just Point?
 
 */
 
 
class MnParabolaPoint {
 
public:
 
 
  /**
 
  Initializes the point with its coordinates.
 
  @param x the x (first) coordinate of the point.
  @param y the y (second) coordinate of the point.
 
  */
 
  MnParabolaPoint(double x, double y) : fX(x), fY(y) {}
 
  ~MnParabolaPoint() {}
 
 
  /**
 
  Accessor to the x (first) coordinate.
 
  @return the x (first) coordinate of the point.
 
  */
 
  double X() const {return fX;}
 
 
  /**
 
  Accessor to the y (second) coordinate.
 
  @return the y (second) coordinate of the point.
 
  */
 
  double Y() const {return fY;}
 
private:
 
  double fX;
  double fY;
};
 
  }  // namespace Minuit2
 
}  // namespace ROOT
 
#endif  // ROOT_Minuit2_MnParabolaPoint