/**************************************************************************
 * 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.                  *
 **************************************************************************/

/* $Id$ */

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// Container for PID information                                        //
//                                                                      //
// Authors:                                                             //
//   Prashant Shukla <shukla@pi0.physi.uni-heidelberg.de>               //
//   Alex Bercuci <a.bercuci@gsi.de>                                    //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include <TObjArray.h>

#include "AliTRDCalPID.h"

ClassImp(AliTRDCalPID)

const Char_t* AliTRDCalPID::fPartName[AliPID::kSPECIES]     = { "electron", "muon", "pion", "kaon", "proton"};
const Char_t* AliTRDCalPID::fPartSymb[AliPID::kSPECIES]     = { "EL", "MU", "PI", "KA", "PR"};
Color_t       AliTRDCalPID::fgPartColor[AliPID::kSPECIES]   = { kRed, kGreen, kBlue, kYellow, kMagenta};
Float_t       AliTRDCalPID::fgTrackMomentum[kNMom]          = {   0.6,   0.8,   1.0,   1.5,   2.0
                                                              ,   3.0,   4.0,   5.0,   6.0,   8.0,  10.0  };
Float_t       AliTRDCalPID::fgTrackMomentumBinning[kNMom+1] = {   0.5,   0.7,   0.9,   1.25,  1.75,  2.5
							      ,   3.5,   4.5,   5.5,   7.0,   9.0,  12.0  };

//_________________________________________________________________________
AliTRDCalPID::AliTRDCalPID()
  :TNamed("pid", "PID for TRD")
  ,fModel(0x0)
{
  //
  //  The Default constructor
  //

}

//_____________________________________________________________________________
AliTRDCalPID::AliTRDCalPID(const Text_t *name, const Text_t *title) 
  :TNamed(name,title)
  ,fModel(0x0)
{
  //
  //  The main constructor
  //  

}

//_________________________________________________________________________
AliTRDCalPID::~AliTRDCalPID()
{
  //
  // Destructor
  //
  
  if (fModel) {
    delete fModel;
  }

}

//_________________________________________________________________________
Int_t AliTRDCalPID::GetPartIndex(Int_t pdg)
{
  //
  // Return the index to a given particle, defined by its PDG code
  //

  for(Int_t is=0; is<AliPID::kSPECIES; is++){
    if(TMath::Abs(pdg) == AliPID::ParticleCode(is)) return is;
  }
  return -1;
}