[u/mrichter/AliRoot.git] / STEER / AliTrackFitter.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

//-----------------------------------------------------------------
//   Implementation of the base class for fast track fitters
//
//
//-----------------------------------------------------------------

#include <TMatrixDSym.h>

#include "AliTrackFitter.h"
#include "AliTrackPointArray.h"

ClassImp(AliTrackFitter)

//_____________________________________________________________________________
AliTrackFitter::AliTrackFitter()
{
  // default constructor
  //
  for (Int_t i=0;i<6;i++) fParams[i] = 0;
  fCov = 0;
  fPoints = 0;
  fIsOwner = kFALSE;
}

//_____________________________________________________________________________
AliTrackFitter::AliTrackFitter(AliTrackPointArray *array, Bool_t owner)
{
  // constructor from space points array
  //
  for (Int_t i=0;i<6;i++) fParams[i] = 0;
  fCov = new TMatrixDSym(6);
  fIsOwner = kFALSE;
  SetTrackPointArray(array,owner);
}

//_____________________________________________________________________________
AliTrackFitter::AliTrackFitter(const AliTrackFitter &fitter):
  TObject(fitter)
{
  // Copy constructor
  //
  for (Int_t i=0;i<6;i++) fParams[i] = fitter.fParams[i];
  fCov = new TMatrixDSym(*fitter.fCov);
  fIsOwner = kFALSE;
  SetTrackPointArray(fitter.fPoints,fitter.fIsOwner);
}

//_____________________________________________________________________________
AliTrackFitter &AliTrackFitter::operator =(const AliTrackFitter& fitter)
{
  // assignment operator
  //
  if(this==&fitter) return *this;

  for (Int_t i=0;i<6;i++) fParams[i] = fitter.fParams[i];
  fCov = new TMatrixDSym(*fitter.fCov);
  fIsOwner = kFALSE;
  SetTrackPointArray(fitter.fPoints);
  
  return *this;
}

//_____________________________________________________________________________
AliTrackFitter::~AliTrackFitter()
{
  if (fIsOwner)
    delete fPoints;
  delete fCov;
}

//_____________________________________________________________________________
void AliTrackFitter::Reset()
{
  for (Int_t i=0;i<6;i++) fParams[i] = 0;
  delete fCov;
  fCov = new TMatrixDSym(6);
}

void AliTrackFitter::SetTrackPointArray(AliTrackPointArray *array, Bool_t owner)
{
  // Load space points from array
  // By default we don't copy them but
  // just put the pointers to them
  Reset();

  if (fIsOwner) delete fPoints;

  if (owner) {
    fPoints = new AliTrackPointArray(*array);
    fIsOwner = kTRUE;
  }
  else {
    fPoints = array;
    fIsOwner = kFALSE;
  }
}
Commit	Line	Data
98937d93	1	/**************************************************************************
	2	* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	//-----------------------------------------------------------------
	17	// Implementation of the base class for fast track fitters
	18	//
	19	//
	20	//-----------------------------------------------------------------
	21
	22	#include <TMatrixDSym.h>
	23
	24	#include "AliTrackFitter.h"
	25	#include "AliTrackPointArray.h"
	26
	27	ClassImp(AliTrackFitter)
	28
	29	//_____________________________________________________________________________
	30	AliTrackFitter::AliTrackFitter()
	31	{
	32	// default constructor
	33	//
	34	for (Int_t i=0;i<6;i++) fParams[i] = 0;
	35	fCov = 0;
	36	fPoints = 0;
	37	fIsOwner = kFALSE;
	38	}
	39
	40	//_____________________________________________________________________________
	41	AliTrackFitter::AliTrackFitter(AliTrackPointArray *array, Bool_t owner)
	42	{
	43	// constructor from space points array
	44	//
	45	for (Int_t i=0;i<6;i++) fParams[i] = 0;
	46	fCov = new TMatrixDSym(6);
	47	fIsOwner = kFALSE;
	48	SetTrackPointArray(array,owner);
	49	}
	50
	51	//_____________________________________________________________________________
	52	AliTrackFitter::AliTrackFitter(const AliTrackFitter &fitter):
	53	TObject(fitter)
	54	{
	55	// Copy constructor
	56	//
	57	for (Int_t i=0;i<6;i++) fParams[i] = fitter.fParams[i];
	58	fCov = new TMatrixDSym(*fitter.fCov);
	59	fIsOwner = kFALSE;
	60	SetTrackPointArray(fitter.fPoints,fitter.fIsOwner);
	61	}
	62
	63	//_____________________________________________________________________________
	64	AliTrackFitter &AliTrackFitter::operator =(const AliTrackFitter& fitter)
65	{
66	// assignment operator
67	//
68	if(this==&fitter) return *this;
69
70	for (Int_t i=0;i<6;i++) fParams[i] = fitter.fParams[i];
71	fCov = new TMatrixDSym(*fitter.fCov);
72	fIsOwner = kFALSE;
73	SetTrackPointArray(fitter.fPoints);
74
75	return *this;
76	}
77
78	//_____________________________________________________________________________
79	AliTrackFitter::~AliTrackFitter()
80	{
81	if (fIsOwner)
82	delete fPoints;
83	delete fCov;
84	}
85
86	//_____________________________________________________________________________
87	void AliTrackFitter::Reset()
88	{
89	for (Int_t i=0;i<6;i++) fParams[i] = 0;
90	delete fCov;
91	fCov = new TMatrixDSym(6);
92	}
93
94	void AliTrackFitter::SetTrackPointArray(AliTrackPointArray *array, Bool_t owner)
95	{
96	// Load space points from array
97	// By default we don't copy them but
98	// just put the pointers to them
99	Reset();
100
101	if (fIsOwner) delete fPoints;
102
103	if (owner) {
104	fPoints = new AliTrackPointArray(*array);
105	fIsOwner = kTRUE;
106	}
107	else {
108	fPoints = array;
109	fIsOwner = kFALSE;
110	}
111	}