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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 $Log$
18 Revision 1.2  2000/05/08 16:17:27  cblume
19 Merge TRD-develop
20
21 Revision 1.1.4.1  2000/05/08 14:35:54  cblume
22 Update
23
24 Revision 1.1  2000/02/28 18:57:18  cblume
25 Add new TRD classes
26
27 */
28
29 ///////////////////////////////////////////////////////////////////////
30 //                                                                   //  
31 // Added additional functionality to the original TArrayI.           //
32 //  - Multiple inheritance from TObject                              //
33 //  - Function Expand() allows to expand the array without           //
34 //    deleting the array contents                                    //
35 //                                                                   //
36 // Origin:  Marian Ivanov, Uni. of Bratislava, ivanov@fmph.uniba.sk  // 
37 //                                                                   //  
38 ///////////////////////////////////////////////////////////////////////
39
40 #include "AliTRDarrayI.h"
41
42 ClassImp(AliTRDarrayI)
43
44 //_____________________________________________________________________________
45 AliTRDarrayI::~AliTRDarrayI()
46 {
47   //
48   // Default destructor
49   //
50
51 }
52
53 //_____________________________________________________________________________
54 void AliTRDarrayI::Copy(AliTRDarrayI &a)
55 {
56   //
57   // Copy function
58   //
59
60   TObject::Copy(a);
61   TArrayI::Copy(a);
62
63 }
64
65
66 //_____________________________________________________________________________
67 void AliTRDarrayI::Expand(Int_t n)
68 {
69   //
70   // Sets the  array size of the TArrayI object to <n> integers and copies
71   // the old array.
72   // If n < 0 leave the array unchanged.
73   // The user is responsible for the appropriate size of the array.
74   //
75
76   if (n < 0) return;  
77   fArray = (Int_t*) TStorage::ReAlloc(fArray
78                                      ,n  * sizeof(Int_t)
79                                      ,fN * sizeof(Int_t));
80   if (fArray != 0) fN = n;
81  
82 }
83