[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.                  *
 **************************************************************************/

/*
$Log$
Revision 1.1  2001/09/19 06:22:13  jchudoba
Class to generate combinations for merging

*/

////////////////////////////////////////////////////////////////////////
//
// AliMergeCombi.cxx
//
// returns combinations of input event numbers
//
////////////////////////////////////////////////////////////////////////

#include "AliMergeCombi.h"

ClassImp(AliMergeCombi)

AliMergeCombi::AliMergeCombi()
{
// default ctor
  fDim = 1;
  fSperb = 1;
  fCounter = 0;
}

////////////////////////////////////////////////////////////////////////
AliMergeCombi::AliMergeCombi(Int_t dim, Int_t sperb)
{
// default ctor
  fDim = dim;
  fSperb = sperb;
  fCounter = 0;
}

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

////////////////////////////////////////////////////////////////////////
Bool_t AliMergeCombi::Combination(Int_t evNumber[], Int_t delta[])
{
  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
05118fd5	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	$Log$
e49dbcf7	18	Revision 1.1 2001/09/19 06:22:13 jchudoba
	19	Class to generate combinations for merging
	20
05118fd5	21	*/
	22
	23	////////////////////////////////////////////////////////////////////////
	24	//
	25	// AliMergeCombi.cxx
	26	//
	27	// returns combinations of input event numbers
	28	//
	29	////////////////////////////////////////////////////////////////////////
	30
	31	#include "AliMergeCombi.h"
	32
	33	ClassImp(AliMergeCombi)
	34
	35	AliMergeCombi::AliMergeCombi()
	36	{
	37	// default ctor
e49dbcf7	38	fDim = 1;
	39	fSperb = 1;
	40	fCounter = 0;
05118fd5	41	}
	42
	43	////////////////////////////////////////////////////////////////////////
	44	AliMergeCombi::AliMergeCombi(Int_t dim, Int_t sperb)
	45	{
	46	// default ctor
	47	fDim = dim;
	48	fSperb = sperb;
e49dbcf7	49	fCounter = 0;
05118fd5	50	}
	51
	52	////////////////////////////////////////////////////////////////////////
	53	AliMergeCombi::~AliMergeCombi()
	54	{
	55	// default dtor
e49dbcf7	56	;
05118fd5	57	}
	58
	59	////////////////////////////////////////////////////////////////////////
	60	Bool_t AliMergeCombi::Combination(Int_t evNumber[], Int_t delta[])
	61	{
e49dbcf7	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;
05118fd5	72	}
	73
	74	////////////////////////////////////////////////////////////////////////