Transition to NewIO
[u/mrichter/AliRoot.git] / TRD / AliTRDarrayI.cxx
CommitLineData
f7336fa3 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/* $Id$ */
f7336fa3 17
18///////////////////////////////////////////////////////////////////////
6f1e466d 19// //
20// Added additional functionality to the original TArrayI. //
21// - Multiple inheritance from TObject //
22// - Function Expand() allows to expand the array without //
23// deleting the array contents //
f7336fa3 24// //
6f1e466d 25// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
f7336fa3 26// //
27///////////////////////////////////////////////////////////////////////
28
29#include "AliTRDarrayI.h"
30
31ClassImp(AliTRDarrayI)
32
6f1e466d 33//_____________________________________________________________________________
fa6b9ac3 34AliTRDarrayI::AliTRDarrayI():TArrayI()
35{
36 //
37 // Default constructor
38 //
39
40}
41
42//_____________________________________________________________________________
f7336fa3 43AliTRDarrayI::~AliTRDarrayI()
44{
45 //
6f1e466d 46 // Default destructor
47 //
48
f7336fa3 49}
50
6f1e466d 51//_____________________________________________________________________________
dd9a6ee3 52void AliTRDarrayI::Copy(TObject &a)
8230f242 53{
54 //
55 // Copy function
56 //
57
58 TObject::Copy(a);
dd9a6ee3 59 TArrayI::Copy(((TArrayI &) a));
8230f242 60
61}
62
8230f242 63//_____________________________________________________________________________
f7336fa3 64void AliTRDarrayI::Expand(Int_t n)
65{
66 //
6f1e466d 67 // Sets the array size of the TArrayI object to <n> integers and copies
68 // the old array.
69 // If n < 0 leave the array unchanged.
70 // The user is responsible for the appropriate size of the array.
f7336fa3 71 //
6f1e466d 72
f7336fa3 73 if (n < 0) return;
6f1e466d 74 fArray = (Int_t*) TStorage::ReAlloc(fArray
75 ,n * sizeof(Int_t)
76 ,fN * sizeof(Int_t));
77 if (fArray != 0) fN = n;
78
f7336fa3 79}
80