Update master to aliroot
[u/mrichter/AliRoot.git] / 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