Making online tracklets usable in offline reconstruction
[u/mrichter/AliRoot.git] / TRD / AliTRDarrayS.cxx
CommitLineData
625f5260 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: AliTRDarrayS.cxx,v Exp $ */
17
18///////////////////////////////////////////////////////////////////////
19// //
20// Added additional functionality to the original TArrayS. //
21// - Multiple inheritance from TObject //
22// - Function Expand() allows to expand the array without //
23// deleting the array contents //
24// //
25// Origin: Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk //
26// //
27///////////////////////////////////////////////////////////////////////
28
29#include "AliTRDarrayS.h"
30
31ClassImp(AliTRDarrayS)
32
33//_____________________________________________________________________________
34AliTRDarrayS::AliTRDarrayS():TArrayS()
35{
36 //
37 // Default constructor
38 //
39
40}
41
42//_____________________________________________________________________________
43AliTRDarrayS::~AliTRDarrayS()
44{
45 //
46 // Default destructor
47 //
48
c10bf383 49 if (fArray) {
50 delete [] fArray;
51 fArray = 0;
52 }
53
625f5260 54}
55
56//_____________________________________________________________________________
57void AliTRDarrayS::Copy(TObject &a) const
58{
59 //
60 // Copy function
61 //
62
63 TObject::Copy(a);
64 TArrayS::Copy(((TArrayS &) a));
65
66}
67
68//_____________________________________________________________________________
69void AliTRDarrayS::Expand(Int_t n)
70{
71 //
72 // Sets the array size of the TArrayF object to <n> integers and copies
73 // the old array.
74 // If n < 0 leave the array unchanged.
75 // The user is responsible for the appropriate size of the array.
76 //
77
78 if (n < 0) {
79 return;
80 }
81
82 fArray = (Short_t *) TStorage::ReAlloc(fArray
83 ,n *sizeof(Short_t)
84 ,fN*sizeof(Short_t));
85
86 if (fArray != 0) {
87 fN = n;
88 }
89
90}
91