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Add tmevsin and mevsim libraries.
[u/mrichter/AliRoot.git] / CONTAINERS / AliArrayI.cxx
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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
16/*
17$Log$
a8a6107b 18Revision 1.1 2000/11/01 15:57:13 kowal2
19Moved from the TPC directory
20
a46e9031 21Revision 1.2 2000/04/17 09:37:33 kowal2
22removed obsolete AliTPCDigitsDisplay.C
23
24Revision 1.1.4.2 2000/04/10 11:32:37 kowal2
25
26"ROOT"-based class with some extra functionality
27
28*/
29
30///////////////////////////////////////////////////////////////////////
31// Added additional functionality to original TArrayI //
32// multiple inheritance from TObject to be possible use automatic //
33// branch mechanism for tree
34// function Expand to be possible expand array without deleting //
35// array contents //
36// //
37// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
38// //
39///////////////////////////////////////////////////////////////////////
40#include "AliArrayI.h"
41ClassImp(AliArrayI)
42void AliArrayI::Expand(Int_t n)
43{
44 //
45 // Set array size of TArrayI object to n integers and copy old array
46 // If n<0 leave array unchanged.
47 // user are responsible for appopiate size of array
48 //
49 if (n < 0) return;
50 fArray = (Int_t*) TStorage::ReAlloc(fArray, n * sizeof(Int_t),fN * sizeof(Int_t));
51 if (fArray!=0) fN= n;
52}