Line data    Source code

       1             : // **************************************************************************
       2             : // * This file is property of and copyright by the ALICE HLT Project        *
       3             : // * All rights reserved.                                                   *
       4             : // *                                                                        *
       5             : // * Primary Authors:                                                       *
       6             : // *     Copyright 2009       Matthias Kretz <kretz@kde.org>                *
       7             : // *                                                                        *
       8             : // * Permission to use, copy, modify and distribute this software and its   *
       9             : // * documentation strictly for non-commercial purposes is hereby granted   *
      10             : // * without fee, provided that the above copyright notice appears in all   *
      11             : // * copies and that both the copyright notice and this permission notice   *
      12             : // * appear in the supporting documentation. The authors make no claims     *
      13             : // * about the suitability of this software for any purpose. It is          *
      14             : // * provided "as is" without express or implied warranty.                  *
      15             : // **************************************************************************
      16             : 
      17             : #include "AliHLTTPCCAClusterData.h"
      18             : #include "AliHLTTPCCAMath.h"
      19             : #include <algorithm>
      20             : #include "AliHLTArray.h"
      21             : #include "AliHLTTPCCAGPUConfig.h"
      22             : 
      23             : AliHLTTPCCAClusterData::~AliHLTTPCCAClusterData()
      24           0 : {
      25           0 :         if(fAllocated) free(fData);
      26           0 : }
      27             : 
      28             : void AliHLTTPCCAClusterData::StartReading( int sliceIndex, int guessForNumberOfClusters )
      29             : {
      30             :   // Start reading of event - initialisation
      31           0 :   fSliceIndex = sliceIndex;
      32           0 :   fNumberOfClusters = 0;
      33           0 :   Allocate(CAMath::Max( 64, guessForNumberOfClusters ));
      34           0 : }
      35             : 
      36             : template <class T> void AliHLTTPCCAClusterData::WriteEventVector(const T* const &data, std::ostream &out) const
      37             : {
      38           0 :         unsigned i;
      39           0 :         i = fNumberOfClusters;
      40           0 :         out.write((char*) &i, sizeof(i));
      41           0 :         out.write((char*) data, i * sizeof(T));
      42           0 : }
      43             : 
      44             : template <class T> void AliHLTTPCCAClusterData::ReadEventVector(T* &data, std::istream &in, int MinSize)
      45             : {
      46           0 :         int i;
      47           0 :         in.read((char*) &i, sizeof(i));
      48           0 :         fNumberOfClusters = i;
      49           0 :         Allocate(CAMath::Max(MinSize, fNumberOfClusters));
      50           0 :         in.read((char*) data, i * sizeof(T));
      51           0 : }
      52             : 
      53             : void AliHLTTPCCAClusterData::WriteEvent(std::ostream &out) const
      54             : {
      55           0 :         WriteEventVector<Data>(fData, out);
      56           0 : }
      57             : 
      58             : void AliHLTTPCCAClusterData::ReadEvent(std::istream &in)
      59             : {
      60           0 :         ReadEventVector<Data>(fData, in, 64);
      61           0 : }
      62             : 
      63             : void AliHLTTPCCAClusterData::Allocate(int number)
      64             : {
      65             :         int newnumber;
      66           0 :         if (fAllocated)
      67             :         {
      68           0 :                 if (number < fAllocated) return;
      69           0 :                 newnumber = CAMath::Max(number, 2 * fAllocated);
      70           0 :                 fData = (Data*) realloc(fData, newnumber * sizeof(Data));
      71           0 :         }
      72             :         else
      73             :         {
      74           0 :                 fData = (Data*) malloc(number * sizeof(Data));
      75             :                 newnumber = number;
      76             :         }
      77           0 :         fAllocated = newnumber;
      78           0 : }