Analysis/VertexFit/include/VertexFit/VertexParameter.h

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#ifndef Vertex_Parameter_H
#define Vertex_Parameter_H
 
//
//  define the vertex parameter
//
//  Author: K.L. He   date 10/31/2005, created
//
//
#include "CLHEP/Geometry/Point3D.h"
#ifndef ENABLE_BACKWARDS_COMPATIBILITY
typedef HepGeom::Point3D<double> HepPoint3D;
#endif
#include "CLHEP/Matrix/SymMatrix.h"
#include "CLHEP/Matrix/Vector.h"
using CLHEP::HepSymMatrix;
using CLHEP::HepVector;
class VertexParameter {
 
public:
  VertexParameter() {
    m_Evx = HepSymMatrix( 3, 0 );
    m_vx  = HepVector( 3, 0 );
  }
  ~VertexParameter() { ; }
 
  inline VertexParameter( const VertexParameter& );
 
  inline void             setVx( const HepPoint3D& vx );
  void                    setVx( const HepVector& vx ) { m_vx = vx; }
  void                    setEvx( const HepSymMatrix& eVx ) { m_Evx = eVx; }
  HepPoint3D              vx() const { return HepPoint3D( m_vx[0], m_vx[1], m_vx[2] ); }
  HepVector               Vx() const { return m_vx; }
  HepVector               x() const { return m_vx; }
  HepSymMatrix            Evx() const { return m_Evx; }
  HepSymMatrix            Ex() const { return m_Evx; }
  inline VertexParameter& operator=( const VertexParameter& );
 
private:
  HepVector    m_vx;  // vertex point (x, y, z)
  HepSymMatrix m_Evx; // error matrix
};
 
inline VertexParameter::VertexParameter( const VertexParameter& vpar ) {
  m_vx  = vpar.m_vx;
  m_Evx = vpar.m_Evx;
}
 
inline VertexParameter& VertexParameter::operator=( const VertexParameter& vpar ) {
  m_vx  = vpar.m_vx;
  m_Evx = vpar.m_Evx;
  return ( *this );
}
 
inline void VertexParameter::setVx( const HepPoint3D& vx ) {
  m_vx[0] = vx.x();
  m_vx[1] = vx.y();
  m_vx[2] = vx.z();
}
#endif