Line data    Source code

       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             : // $Id$
      17             : 
      18             : #include "AliMpHVUID.h"
      19             : 
      20             : /// \class AliMpHVUID
      21             : /// 
      22             : /// A utility class to assign a unique ID to a given HV channel
      23             : ///
      24             : /// \author: Laurent Aphecetche, Subatech
      25             : 
      26             : /// \cond CLASSIMP
      27          18 : ClassImp(AliMpHVUID)
      28             : /// \endcond
      29             : 
      30             : //_____________________________________________________________________________
      31           0 : AliMpHVUID::AliMpHVUID() : TObject()
      32           0 : {
      33             :   /// ctor
      34           0 : }
      35             : 
      36             : //_____________________________________________________________________________
      37             : AliMpHVUID::~AliMpHVUID()
      38           0 : {
      39             :   /// dtor
      40           0 : }
      41             : 
      42             : //_____________________________________________________________________________
      43             : UInt_t
      44             : AliMpHVUID::BuildUniqueID(Int_t detElemId, Int_t index)
      45             : {
      46             :   /// Build a single index from the pair (de,index)
      47      103560 :   return ( index | ( detElemId << 16 ) );
      48             : }
      49             : 
      50             : //_____________________________________________________________________________
      51             : Int_t
      52             : AliMpHVUID::Index(UInt_t uniqueID)
      53             : {
      54             :   /// Extract index from uniqueID
      55           0 :   return uniqueID & 0xFFFF;
      56             : }
      57             : 
      58             : //_____________________________________________________________________________
      59             : Int_t
      60             : AliMpHVUID::DetElemId(UInt_t uniqueID)
      61             : {
      62             :   /// Extract detElemId from uniqueID
      63           0 :   return ( uniqueID & 0xFFFF0000 ) >> 16;
      64             : }
      65             :