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3ea47630 | 1 | #ifndef ALIBITPACKING_H |
2 | #define ALIBITPACKING_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | /* $Id$ */ | |
7 | ||
8 | /////////////////////////////////////////////////////////////////////////////// | |
9 | /// | |
10 | /// This is a service class for packing and unpacking bits in a 32 bit word. | |
11 | /// | |
12 | /////////////////////////////////////////////////////////////////////////////// | |
13 | ||
14 | #include <TObject.h> | |
15 | ||
16 | ||
17 | class AliBitPacking: public TObject { | |
18 | public : | |
19 | static Bool_t PackWord(UInt_t data, UInt_t &word, | |
20 | Int_t startBit, Int_t stopBit); | |
21 | static UInt_t UnpackWord(UInt_t word, Int_t startBit, Int_t stopBit); | |
22 | ||
23 | ClassDef(AliBitPacking, 0) // class for packing and unpacking bits | |
24 | }; | |
25 | ||
26 | #endif |