Line data    Source code

       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             : /* $Id$ */
      17             : 
      18             : //_________________________________________________________________________
      19             : // Auxiliary class to help calculate the time of crossing 
      20             : // of the threshold by the front edge of the time signal
      21             : //
      22             : //*-- Author :  Dmitri Peressounko (SUBATECH) 
      23             : //////////////////////////////////////////////////////////////////////////////
      24             : 
      25             : // --- ROOT system ---
      26             : 
      27             : // --- Standard library ---
      28             : 
      29             : // --- AliRoot header files ---
      30             : #include "AliPHOSTick.h"
      31             : 
      32          22 : ClassImp(AliPHOSTick)
      33             : 
      34             : 
      35             : //____________________________________________________________________________ 
      36           0 : AliPHOSTick::AliPHOSTick():
      37           0 :   fTime(0),
      38           0 :   fA(0),
      39           0 :   fB(0)
      40           0 : {
      41           0 : }
      42             : 
      43             : //____________________________________________________________________________ 
      44           0 : AliPHOSTick::AliPHOSTick(Float_t time, Float_t a, Float_t slope):
      45           0 :   fTime(time),
      46           0 :   fA(a),
      47           0 :   fB(slope)
      48           0 : {
      49           0 : }
      50             : 
      51             : //____________________________________________________________________________ 
      52             : Int_t AliPHOSTick::Compare(const TObject * obj) const {
      53           0 :   if(obj->InheritsFrom("AliPHOSTick")){
      54           0 :     AliPHOSTick * tick = (AliPHOSTick *) obj ;
      55           0 :     if(fTime < tick->fTime)
      56           0 :       return -1 ;
      57             :     else
      58           0 :       if(fTime == tick->fTime)
      59           0 :         return 0 ;
      60             :       else
      61           0 :         return 1 ;
      62             :   }
      63             :   else
      64           0 :     return 1 ;
      65           0 : } 
      66             : //____________________________________________________________________________
      67             : void AliPHOSTick::operator+=(AliPHOSTick const & tick) 
      68             : {
      69             :   // Adds the amplitude of digits and completes the list of primary particles
      70             :   // if amplitude is larger than 
      71             :     
      72           0 :   fA = fA + fB*(tick.fTime - fTime) + tick.fA ;
      73           0 :   fB = fB + tick.fB ;
      74           0 :   if(tick.fTime > fTime) 
      75           0 :     fTime = tick.fTime ;
      76             :   
      77           0 : }