HLT/TPCLib/tracking-ca/AliHLTTPCCASliceOutput.cxx

   1 // @(#) $Id$
   2 // **************************************************************************
   3 // This file is property of and copyright by the ALICE HLT Project          *
   4 // ALICE Experiment at CERN, All rights reserved.                           *
   5 //                                                                          *
   6 // Primary Authors: Sergey Gorbunov <sergey.gorbunov@kip.uni-heidelberg.de> *
   7 //                  Ivan Kisel <kisel@kip.uni-heidelberg.de>                *
   8 //                  for The ALICE HLT Project.                              *
   9 //                                                                          *
  10 // Permission to use, copy, modify and distribute this software and its     *
  11 // documentation strictly for non-commercial purposes is hereby granted     *
  12 // without fee, provided that the above copyright notice appears in all     *
  13 // copies and that both the copyright notice and this permission notice     *
  14 // appear in the supporting documentation. The authors make no claims       *
  15 // about the suitability of this software for any purpose. It is            *
  16 // provided "as is" without express or implied warranty.                    *
  17 //                                                                          *
  18 //***************************************************************************
  19
  20 #include "AliHLTTPCCASliceOutput.h"
  21
  22 int AliHLTTPCCASliceOutput::EstimateSize( int nOfTracks, int nOfTrackClusters )
  23 {
  24   // calculate the amount of memory [bytes] needed for the event
  25
  26   return sizeof( AliHLTTPCCASliceOutput ) + sizeof( AliHLTTPCCASliceOutTrack )*nOfTracks + sizeof(AliHLTTPCCASliceOutCluster)*nOfTrackClusters;
  27 }
  28
  29 #ifndef HLTCA_GPUCODE
  30
  31 inline void AssignNoAlignment( int &dst, int &size, int count )
  32 {
  33   // assign memory to the pointer dst
  34   dst = size;
  35   size = dst + count ;
  36 }
  37
  38
  39 void AliHLTTPCCASliceOutput::Allocate(AliHLTTPCCASliceOutput* &ptrOutput, int nTracks, int nTrackHits, outputControlStruct* outputControl)
  40 {
  41         //Allocate All memory needed for slice output
  42         const int memsize =  EstimateSize(nTracks, nTrackHits);
  43
  44         if (outputControl->fOutputPtr)
  45         {
  46                 if (outputControl->fOutputMaxSize < memsize)
  47                 {
  48                         outputControl->fEndOfSpace = 1;
  49                         ptrOutput = NULL;
  50                         return;
  51                 }
  52                 ptrOutput = (AliHLTTPCCASliceOutput*) outputControl->fOutputPtr;
  53                 outputControl->fOutputPtr += memsize;
  54                 outputControl->fOutputMaxSize -= memsize;
  55         }
  56         else
  57         {
  58                 if (ptrOutput) free(ptrOutput);
  59                 ptrOutput = (AliHLTTPCCASliceOutput*) malloc(memsize);
  60         }
  61         ptrOutput->SetMemorySize(memsize);
  62 }
  63 #endif