[u/mrichter/AliRoot.git] / PHOS / AliPHOSTick.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.                  *
 **************************************************************************/

/* $Id$ */

//_________________________________________________________________________
// Auxiliary class to help calculate the time of crossing 
// of the threshold by the front edge of the time signal
//..
//..
//*-- Author :  Dmitri Peressounko (SUBATECH) 
//////////////////////////////////////////////////////////////////////////////

// --- ROOT system ---

// --- Standard library ---

// --- AliRoot header files ---
#include "AliPHOSTick.h"

ClassImp(AliPHOSTick)


//____________________________________________________________________________ 
  AliPHOSTick::AliPHOSTick():TObject() 
{
  // default ctor
  fTime = 0;
  fA = 0;
  fB = 0 ;
}

//____________________________________________________________________________ 
AliPHOSTick::AliPHOSTick(Float_t time, Float_t a, Float_t slope):TObject()
{
  //ctor
  fTime = time;
  fA = a;
  fB = slope ;  
}
//____________________________________________________________________________ 
Int_t AliPHOSTick::Compare(const TObject * obj) const 
{
  // compare the times of two tick objects
  // return = -1 if smaller
  //           0 if equal
  //           1 id larger

  if(obj->InheritsFrom("AliPHOSTick")){
    AliPHOSTick * tick = (AliPHOSTick *) obj ;
    if(fTime < tick->fTime)
      return -1 ;
    else
      if(fTime == tick->fTime)
	return 0 ;
      else
	return 1 ;
  }
  else
    return 1 ;
} 
//____________________________________________________________________________
void AliPHOSTick::operator+=(AliPHOSTick const & tick) 
{
  // Adds the amplitude of digits and completes the list of primary particles
  // if amplitude is larger than 
    
  fA = fA + fB*(tick.fTime - fTime) + tick.fA ;
  fB = fB + tick.fB ;
  if(tick.fTime > fTime) 
    fTime = tick.fTime ;
  
}
Commit	Line	Data
7437a0f7	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
28db0d85	21	//..
28db0d85	22	//..
7437a0f7	23	//*-- Author : Dmitri Peressounko (SUBATECH)
	24	//////////////////////////////////////////////////////////////////////////////
	25
	26	// --- ROOT system ---
	27
	28	// --- Standard library ---
	29
	30	// --- AliRoot header files ---
	31	#include "AliPHOSTick.h"
	32
	33	ClassImp(AliPHOSTick)
	34
	35
	36	//____________________________________________________________________________
	37	AliPHOSTick::AliPHOSTick():TObject()
	38	{
28db0d85	39	// default ctor
7437a0f7	40	fTime = 0;
	41	fA = 0;
	42	fB = 0 ;
	43	}
	44
	45	//____________________________________________________________________________
	46	AliPHOSTick::AliPHOSTick(Float_t time, Float_t a, Float_t slope):TObject()
	47	{
28db0d85	48	//ctor
7437a0f7	49	fTime = time;
	50	fA = a;
	51	fB = slope ;
	52	}
	53	//____________________________________________________________________________
28db0d85	54	Int_t AliPHOSTick::Compare(const TObject * obj) const
	55	{
	56	// compare the times of two tick objects
	57	// return = -1 if smaller
	58	// 0 if equal
	59	// 1 id larger
	60
7437a0f7	61	if(obj->InheritsFrom("AliPHOSTick")){
	62	AliPHOSTick * tick = (AliPHOSTick *) obj ;
	63	if(fTime < tick->fTime)
	64	return -1 ;
	65	else
	66	if(fTime == tick->fTime)
	67	return 0 ;
	68	else
	69	return 1 ;
	70	}
	71	else
	72	return 1 ;
	73	}
	74	//____________________________________________________________________________
	75	void AliPHOSTick::operator+=(AliPHOSTick const & tick)
	76	{
	77	// Adds the amplitude of digits and completes the list of primary particles
	78	// if amplitude is larger than
	79
	80	fA = fA + fB*(tick.fTime - fTime) + tick.fA ;
	81	fB = fB + tick.fB ;
	82	if(tick.fTime > fTime)
	83	fTime = tick.fTime ;
	84
	85	}