[u/mrichter/AliRoot.git] / STEER / AliMergeCombi.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.                  *
 **************************************************************************/

/* $Id$ */

//----------------------------------------------------------------------
// AliMergeCombi.cxx
// class to
// return combinations of input event numbers
//----------------------------------------------------------------------

#include "AliMergeCombi.h"

ClassImp(AliMergeCombi)

//_______________________________________________________________________
AliMergeCombi::AliMergeCombi():
  fDim(1),
  fSperb(1),
  fCounter(0)
{
  //
  // default ctor
  //
}

//_______________________________________________________________________
AliMergeCombi::AliMergeCombi(Int_t dim, Int_t sperb):
  fDim(dim),
  fSperb(sperb),
  fCounter(0)
{
  //
  // Standard ctor
  //
}

//_______________________________________________________________________
AliMergeCombi::~AliMergeCombi()
{
  // default dtor
}

//_______________________________________________________________________
Bool_t AliMergeCombi::Combination(Int_t /* evNumber */ [], Int_t delta[])
{
  //
  // Combination method
  //
  delta[0] = 1;
  for (Int_t i=1; i<fDim; i++) {
    if (fCounter%fSperb == 0) {
      delta[i] = 1;
    } else {
      delta[i] = 0;
    }
    fCounter++;
  }      
  return kTRUE;
}
Commit	Line	Data
	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	// AliMergeCombi.cxx
	20	// class to
	21	// return combinations of input event numbers
	22	//----------------------------------------------------------------------
	23
	24	#include "AliMergeCombi.h"
	25
	26	ClassImp(AliMergeCombi)
	27
	28	//_______________________________________________________________________
	29	AliMergeCombi::AliMergeCombi():
	30	fDim(1),
	31	fSperb(1),
	32	fCounter(0)
	33	{
	34	//
	35	// default ctor
	36	//
	37	}
	38
	39	//_______________________________________________________________________
	40	AliMergeCombi::AliMergeCombi(Int_t dim, Int_t sperb):
	41	fDim(dim),
	42	fSperb(sperb),
	43	fCounter(0)
	44	{
	45	//
	46	// Standard ctor
	47	//
	48	}
	49
	50	//_______________________________________________________________________
	51	AliMergeCombi::~AliMergeCombi()
	52	{
	53	// default dtor
	54	}
	55
	56	//_______________________________________________________________________
	57	Bool_t AliMergeCombi::Combination(Int_t /* evNumber */ [], Int_t delta[])
	58	{
	59	//
	60	// Combination method
	61	//
	62	delta[0] = 1;
	63	for (Int_t i=1; i<fDim; i++) {
	64	if (fCounter%fSperb == 0) {
	65	delta[i] = 1;
	66	} else {
	67	delta[i] = 0;
	68	}
	69	fCounter++;
	70	}
	71	return kTRUE;
	72	}