[u/mrichter/AliRoot.git] / CONTAINERS / AliArrayI.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.                  *
 **************************************************************************/

/* $Id$ */

///////////////////////////////////////////////////////////////////////
//   Added additional functionality  to original TArrayI              //
//   multiple inheritance from TObject to be possible use automatic   //
//   branch mechanism for tree
//   function Expand to be possible expand array without deleting     //
//   array contents                                                  //
//                                                                   //
//  Origin:  Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk // 
//                                                                   //  
///////////////////////////////////////////////////////////////////////
#include "AliArrayI.h"
ClassImp(AliArrayI)
void AliArrayI::Expand(Int_t n)
{
  //
  // Set array size of TArrayI object to n integers and copy old array
  // If n<0 leave array unchanged.
  // user are responsible for appopiate size of array
  //
  if (n < 0) return;  
  fArray = (Int_t*)  TStorage::ReAlloc(fArray, n * sizeof(Int_t),fN * sizeof(Int_t));
  if (fArray!=0) fN= n; 
}
Commit	Line	Data
a46e9031	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
88cb7938	16	/* $Id$ */
a46e9031	17
	18	///////////////////////////////////////////////////////////////////////
	19	// Added additional functionality to original TArrayI //
	20	// multiple inheritance from TObject to be possible use automatic //
	21	// branch mechanism for tree
	22	// function Expand to be possible expand array without deleting //
	23	// array contents //
	24	// //
	25	// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
	26	// //
	27	///////////////////////////////////////////////////////////////////////
	28	#include "AliArrayI.h"
	29	ClassImp(AliArrayI)
	30	void AliArrayI::Expand(Int_t n)
	31	{
	32	//
	33	// Set array size of TArrayI object to n integers and copy old array
	34	// If n<0 leave array unchanged.
	35	// user are responsible for appopiate size of array
	36	//
	37	if (n < 0) return;
	38	fArray = (Int_t) TStorage::ReAlloc(fArray, n sizeof(Int_t),fN * sizeof(Int_t));
	39	if (fArray!=0) fN= n;
	40	}