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d15a28e7 | 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 | ||
b2a60966 | 16 | /* $Id$ */ |
17 | ||
d15a28e7 | 18 | //_________________________________________________________________________ |
a5e00016 | 19 | //-- |
20 | //-- Yves Schutz (SUBATECH) | |
dfe0be07 | 21 | // Reconstruction class. Redesigned from the old AliReconstructionner class and |
22 | // derived from STEER/AliReconstructor. | |
23 | // | |
d15a28e7 | 24 | // --- ROOT system --- |
00cfce1d | 25 | |
d15a28e7 | 26 | // --- Standard library --- |
364de5c6 | 27 | |
d15a28e7 | 28 | // --- AliRoot header files --- |
9a2cdbdf | 29 | #include "AliLog.h" |
b3006690 | 30 | #include "AliAltroMapping.h" |
af885e0f | 31 | #include "AliESDEvent.h" |
33ba95c3 | 32 | #include "AliESDCaloCluster.h" |
a5e00016 | 33 | #include "AliESDCaloCells.h" |
f444a19f | 34 | #include "AliPHOSReconstructor.h" |
7acf6008 | 35 | #include "AliPHOSClusterizerv1.h" |
7acf6008 | 36 | #include "AliPHOSTrackSegmentMakerv1.h" |
37 | #include "AliPHOSPIDv1.h" | |
23904d16 | 38 | #include "AliPHOSTracker.h" |
d22dd3b4 | 39 | #include "AliRawReader.h" |
64df000d | 40 | #include "AliPHOSTrigger.h" |
41 | #include "AliPHOSGeometry.h" | |
86121c91 | 42 | #include "AliPHOSRecoParam.h" |
3799bcb5 | 43 | #include "AliPHOSRecoParamEmc.h" |
44 | #include "AliPHOSRecoParamCpv.h" | |
9a2cdbdf | 45 | #include "AliPHOSDigit.h" |
46 | #include "AliPHOSTrackSegment.h" | |
47 | #include "AliPHOSEmcRecPoint.h" | |
48 | #include "AliPHOSRecParticle.h" | |
49 | #include "AliPHOSRawDecoder.h" | |
77ea1c6f | 50 | #include "AliPHOSRawDecoderv1.h" |
710634f4 | 51 | #include "AliPHOSRawDecoderv2.h" |
9a2cdbdf | 52 | #include "AliPHOSRawDigiProducer.h" |
53 | #include "AliPHOSPulseGenerator.h" | |
e957fea8 | 54 | |
f444a19f | 55 | ClassImp(AliPHOSReconstructor) |
d15a28e7 | 56 | |
2e60107f | 57 | Bool_t AliPHOSReconstructor::fgDebug = kFALSE ; |
3799bcb5 | 58 | AliPHOSRecoParam* AliPHOSReconstructor::fgkRecoParamEmc =0; // EMC rec. parameters |
59 | AliPHOSRecoParam* AliPHOSReconstructor::fgkRecoParamCpv =0; // CPV rec. parameters | |
2e60107f | 60 | |
d15a28e7 | 61 | //____________________________________________________________________________ |
9a2cdbdf | 62 | AliPHOSReconstructor::AliPHOSReconstructor() : |
8d8258f6 | 63 | fGeom(NULL),fClusterizer(NULL) |
d15a28e7 | 64 | { |
b2a60966 | 65 | // ctor |
0379a13e | 66 | |
3799bcb5 | 67 | if (!fgkRecoParamEmc) { |
68 | AliWarning("The Reconstruction parameters for EMC nonitialized - Used default one"); | |
69 | fgkRecoParamEmc = AliPHOSRecoParamEmc::GetEmcDefaultParameters(); | |
70 | } | |
71 | ||
72 | if (!fgkRecoParamCpv) { | |
73 | AliWarning("The Reconstruction parameters for CPV nonitialized - Used default one"); | |
74 | fgkRecoParamCpv = AliPHOSRecoParamCpv::GetCpvDefaultParameters(); | |
75 | } | |
76 | ||
8d8258f6 | 77 | fGeom = AliPHOSGeometry::GetInstance("IHEP",""); |
78 | fClusterizer = new AliPHOSClusterizerv1(fGeom); | |
e68222ce | 79 | } |
6ad0bfa0 | 80 | |
0379a13e | 81 | //____________________________________________________________________________ |
82 | AliPHOSReconstructor::~AliPHOSReconstructor() | |
83 | { | |
84 | // dtor | |
9a2cdbdf | 85 | delete fGeom; |
8d8258f6 | 86 | delete fClusterizer; |
0379a13e | 87 | } |
7acf6008 | 88 | |
7acf6008 | 89 | //____________________________________________________________________________ |
9a2cdbdf | 90 | void AliPHOSReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const |
35293055 | 91 | { |
9a2cdbdf | 92 | // 'single-event' local reco method called by AliReconstruction; |
dfe0be07 | 93 | // Only the clusterization is performed,; the rest of the reconstruction is done in FillESD because the track |
af885e0f | 94 | // segment maker needs access to the AliESDEvent object to retrieve the tracks reconstructed by |
dfe0be07 | 95 | // the global tracking. |
9a2cdbdf | 96 | |
8d8258f6 | 97 | fClusterizer->SetInput(digitsTree); |
98 | fClusterizer->SetOutput(clustersTree); | |
a68156e6 | 99 | if ( Debug() ) |
8d8258f6 | 100 | fClusterizer->Digits2Clusters("deb all") ; |
a68156e6 | 101 | else |
8d8258f6 | 102 | fClusterizer->Digits2Clusters("") ; |
a68156e6 | 103 | } |
104 | ||
105 | //____________________________________________________________________________ | |
9a2cdbdf | 106 | void AliPHOSReconstructor::FillESD(TTree* digitsTree, TTree* clustersTree, |
107 | AliESDEvent* esd) const | |
a68156e6 | 108 | { |
9a2cdbdf | 109 | // This method produces PHOS rec-particles, |
110 | // then it creates AliESDtracks out of them and | |
111 | // write tracks to the ESD | |
112 | ||
113 | AliPHOSTrackSegmentMaker *tsm = new AliPHOSTrackSegmentMakerv1(fGeom); | |
e68222ce | 114 | AliPHOSPID *pid = new AliPHOSPIDv1 (fGeom); |
115 | ||
9a2cdbdf | 116 | // do current event; the loop over events is done by AliReconstruction::Run() |
117 | tsm->SetESD(esd) ; | |
118 | tsm->SetInput(clustersTree); | |
119 | if ( Debug() ) | |
120 | tsm->Clusters2TrackSegments("deb all") ; | |
121 | else | |
122 | tsm->Clusters2TrackSegments("") ; | |
35293055 | 123 | |
9a2cdbdf | 124 | pid->SetInput(clustersTree, tsm->GetTrackSegments()) ; |
125 | pid->SetESD(esd) ; | |
dfe0be07 | 126 | if ( Debug() ) |
9a2cdbdf | 127 | pid->TrackSegments2RecParticles("deb all") ; |
dfe0be07 | 128 | else |
9a2cdbdf | 129 | pid->TrackSegments2RecParticles("") ; |
7acf6008 | 130 | |
77ea1c6f | 131 | |
23904d16 | 132 | // This function creates AliESDtracks from AliPHOSRecParticles |
133 | // and | |
134 | // writes them to the ESD | |
bf72996e | 135 | |
9a2cdbdf | 136 | TClonesArray *recParticles = pid->GetRecParticles(); |
dfe0be07 | 137 | Int_t nOfRecParticles = recParticles->GetEntries(); |
a5fa6165 | 138 | |
85c60a8e | 139 | esd->SetNumberOfPHOSClusters(nOfRecParticles) ; |
dd7ee508 | 140 | esd->SetFirstPHOSCluster(esd->GetNumberOfCaloClusters()) ; |
a5e00016 | 141 | |
9a2cdbdf | 142 | AliDebug(2,Form("%d rec. particles, option %s",nOfRecParticles,GetOption())); |
a5e00016 | 143 | |
144 | // Read digits array | |
145 | ||
146 | TBranch *branch = digitsTree->GetBranch("PHOS"); | |
147 | if (!branch) { | |
148 | AliError("can't get the branch with the PHOS digits !"); | |
149 | return; | |
150 | } | |
151 | TClonesArray *digitsArray = new TClonesArray("AliPHOSDigit",100); | |
152 | branch->SetAddress(&digitsArray); | |
153 | branch->GetEntry(0); | |
154 | ||
155 | // Get the clusters array | |
156 | ||
157 | TBranch *emcbranch = clustersTree->GetBranch("PHOSEmcRP"); | |
158 | if (!emcbranch) { | |
159 | AliError("can't get the branch with the PHOS EMC clusters !"); | |
160 | return; | |
161 | } | |
162 | ||
163 | TObjArray *emcRecPoints = new TObjArray(100) ; | |
164 | emcbranch->SetAddress(&emcRecPoints); | |
165 | emcbranch->GetEntry(0); | |
8013c27e | 166 | |
64df000d | 167 | //#########Calculate trigger and set trigger info########### |
a5e00016 | 168 | |
64df000d | 169 | AliPHOSTrigger tr ; |
170 | // tr.SetPatchSize(1);//create 4x4 patches | |
bfae5a5d | 171 | tr.SetSimulation(kFALSE); |
172 | tr.Trigger(digitsArray); | |
64df000d | 173 | |
174 | Float_t maxAmp2x2 = tr.Get2x2MaxAmplitude(); | |
175 | Float_t maxAmpnxn = tr.GetnxnMaxAmplitude(); | |
176 | Float_t ampOutOfPatch2x2 = tr.Get2x2AmpOutOfPatch() ; | |
177 | Float_t ampOutOfPatchnxn = tr.GetnxnAmpOutOfPatch() ; | |
178 | ||
64df000d | 179 | Int_t iSM2x2 = tr.Get2x2SuperModule(); |
180 | Int_t iSMnxn = tr.GetnxnSuperModule(); | |
181 | Int_t iCrystalPhi2x2 = tr.Get2x2CrystalPhi(); | |
182 | Int_t iCrystalPhinxn = tr.GetnxnCrystalPhi(); | |
183 | Int_t iCrystalEta2x2 = tr.Get2x2CrystalEta(); | |
184 | Int_t iCrystalEtanxn = tr.GetnxnCrystalEta(); | |
185 | ||
a5e00016 | 186 | AliDebug(2, Form("Trigger 2x2 max amp %f, out amp %f, SM %d, iphi %d ieta %d", |
187 | maxAmp2x2, ampOutOfPatch2x2, iSM2x2,iCrystalPhi2x2, iCrystalEta2x2)); | |
188 | AliDebug(2, Form("Trigger 4x4 max amp %f , out amp %f, SM %d, iphi %d, ieta %d", | |
189 | maxAmpnxn, ampOutOfPatchnxn, iSMnxn,iCrystalPhinxn, iCrystalEtanxn)); | |
64df000d | 190 | |
bfae5a5d | 191 | // Attention! PHOS modules in order to calculate AbsId need to be 1-5 not 0-4 as returns trigger. |
192 | Int_t iRelId2x2 []= {iSM2x2+1,0,iCrystalPhi2x2,iCrystalEta2x2}; | |
64df000d | 193 | Int_t iAbsId2x2 =-1; |
bfae5a5d | 194 | Int_t iRelIdnxn []= {iSMnxn+1,0,iCrystalPhinxn,iCrystalEtanxn}; |
64df000d | 195 | Int_t iAbsIdnxn =-1; |
196 | TVector3 pos2x2(-1,-1,-1); | |
197 | TVector3 posnxn(-1,-1,-1); | |
9a2cdbdf | 198 | fGeom->RelToAbsNumbering(iRelId2x2, iAbsId2x2); |
199 | fGeom->RelToAbsNumbering(iRelIdnxn, iAbsIdnxn); | |
200 | fGeom->RelPosInAlice(iAbsId2x2, pos2x2); | |
201 | fGeom->RelPosInAlice(iAbsIdnxn, posnxn); | |
64df000d | 202 | |
203 | TArrayF triggerPosition(6); | |
204 | triggerPosition[0] = pos2x2(0) ; | |
205 | triggerPosition[1] = pos2x2(1) ; | |
206 | triggerPosition[2] = pos2x2(2) ; | |
207 | triggerPosition[3] = posnxn(0) ; | |
208 | triggerPosition[4] = posnxn(1) ; | |
209 | triggerPosition[5] = posnxn(2) ; | |
210 | ||
211 | TArrayF triggerAmplitudes(4); | |
212 | triggerAmplitudes[0] = maxAmp2x2 ; | |
213 | triggerAmplitudes[1] = ampOutOfPatch2x2 ; | |
214 | triggerAmplitudes[2] = maxAmpnxn ; | |
215 | triggerAmplitudes[3] = ampOutOfPatchnxn ; | |
216 | ||
217 | //esd->SetPHOSTriggerCells(triggerPosition); | |
218 | esd->AddPHOSTriggerPosition(triggerPosition); | |
219 | esd->AddPHOSTriggerAmplitudes(triggerAmplitudes); | |
220 | ||
e68222ce | 221 | |
a5e00016 | 222 | //######################################## |
223 | //############# Fill CaloCells ########### | |
224 | //######################################## | |
225 | ||
226 | Int_t nDigits = digitsArray->GetEntries(); | |
227 | Int_t idignew = 0 ; | |
228 | AliDebug(1,Form("%d digits",nDigits)); | |
229 | ||
230 | const Int_t knEMC = fGeom->GetNModules()*fGeom->GetNPhi()*fGeom->GetNZ(); | |
231 | AliESDCaloCells &phsCells = *(esd->GetPHOSCells()); | |
232 | phsCells.CreateContainer(nDigits); | |
233 | phsCells.SetType(AliESDCaloCells::kPHOSCell); | |
234 | ||
235 | // Add to CaloCells only EMC digits with non-zero energy | |
236 | for (Int_t idig = 0 ; idig < nDigits ; idig++) { | |
237 | const AliPHOSDigit * dig = (const AliPHOSDigit*)digitsArray->At(idig); | |
238 | if(dig->GetId() <= knEMC && dig->GetEnergy() > 0 ){ | |
710634f4 | 239 | //printf("i %d; id %d; amp %f; time %e\n", |
240 | //idignew,dig->GetId(),dig->GetEnergy(), dig->GetTime()); | |
a5e00016 | 241 | phsCells.SetCell(idignew,dig->GetId(), dig->GetEnergy(), dig->GetTime()); |
242 | idignew++; | |
243 | } | |
e68222ce | 244 | } |
a5e00016 | 245 | phsCells.SetNumberOfCells(idignew); |
246 | phsCells.Sort(); | |
e68222ce | 247 | |
a5e00016 | 248 | //######################################## |
249 | //############## Fill CaloClusters ####### | |
250 | //######################################## | |
f4e0dd30 | 251 | |
dfe0be07 | 252 | for (Int_t recpart = 0 ; recpart < nOfRecParticles ; recpart++) { |
a5e00016 | 253 | AliPHOSRecParticle *rp = dynamic_cast<AliPHOSRecParticle*>(recParticles->At(recpart)); |
dfe0be07 | 254 | if (Debug()) |
255 | rp->Print(); | |
25ed816e | 256 | // Get track segment and EMC rec.point associated with this rec.particle |
a5e00016 | 257 | AliPHOSTrackSegment *ts = static_cast<AliPHOSTrackSegment *>(tsm->GetTrackSegments() |
258 | ->At(rp->GetPHOSTSIndex())); | |
9a2cdbdf | 259 | |
a5e00016 | 260 | AliPHOSEmcRecPoint *emcRP = static_cast<AliPHOSEmcRecPoint *>(emcRecPoints->At(ts->GetEmcIndex())); |
25ed816e | 261 | AliESDCaloCluster *ec = new AliESDCaloCluster() ; |
e68222ce | 262 | |
85c60a8e | 263 | Float_t xyz[3]; |
8013c27e | 264 | for (Int_t ixyz=0; ixyz<3; ixyz++) |
265 | xyz[ixyz] = rp->GetPos()[ixyz]; | |
dd7ee508 | 266 | |
267 | AliDebug(2,Form("Global position xyz=(%f,%f,%f)",xyz[0],xyz[1],xyz[2])); | |
77ea1c6f | 268 | |
a5e00016 | 269 | // Create cell lists |
270 | ||
271 | Int_t cellMult = emcRP->GetDigitsMultiplicity(); | |
272 | Int_t *digitsList = emcRP->GetDigitsList(); | |
273 | Float_t *rpElist = emcRP->GetEnergiesList() ; | |
274 | UShort_t *absIdList = new UShort_t[cellMult]; | |
275 | Double_t *fracList = new Double_t[cellMult]; | |
276 | ||
277 | for (Int_t iCell=0; iCell<cellMult; iCell++) { | |
278 | AliPHOSDigit *digit = static_cast<AliPHOSDigit *>(digitsArray->At(digitsList[iCell])); | |
279 | absIdList[iCell] = (UShort_t)(digit->GetId()); | |
280 | if (digit->GetEnergy() > 0) | |
281 | fracList[iCell] = rpElist[iCell]/digit->GetEnergy(); | |
282 | else | |
283 | fracList[iCell] = 0; | |
25ed816e | 284 | } |
77ea1c6f | 285 | |
7592dfc4 | 286 | //Primaries |
287 | Int_t primMult = 0; | |
4dd59c4a | 288 | Int_t *primList = emcRP->GetPrimaries(primMult); |
a5e00016 | 289 | |
7592dfc4 | 290 | // fills the ESDCaloCluster |
8ada0ffe | 291 | ec->SetClusterType(AliESDCaloCluster::kPHOSCluster); |
a5e00016 | 292 | ec->SetPosition(xyz); //rec.point position in MARS |
293 | ec->SetE(rp->Energy()); //total particle energy | |
25ed816e | 294 | ec->SetClusterDisp(emcRP->GetDispersion()); //cluster dispersion |
e68222ce | 295 | ec->SetPid(rp->GetPID()) ; //array of particle identification |
25ed816e | 296 | ec->SetM02(emcRP->GetM2x()) ; //second moment M2x |
297 | ec->SetM20(emcRP->GetM2z()) ; //second moment M2z | |
298 | ec->SetNExMax(emcRP->GetNExMax()); //number of local maxima | |
a5e00016 | 299 | ec->SetEmcCpvDistance(ts->GetCpvDistance("r")); //Only radius, what about separate x,z???? |
25ed816e | 300 | ec->SetClusterChi2(-1); //not yet implemented |
78902954 | 301 | ec->SetTOF(emcRP->GetTime()); //Time of flight |
302 | ||
a5e00016 | 303 | //Cells contributing to clusters |
304 | ec->SetNCells(cellMult); | |
305 | ec->SetCellsAbsId(absIdList); | |
306 | ec->SetCellsAmplitudeFraction(fracList); | |
7592dfc4 | 307 | |
3744a6cf | 308 | //Distance to the nearest bad crystal |
309 | ec->SetDistanceToBadChannel(emcRP->GetDistanceToBadCrystal()); | |
7592dfc4 | 310 | |
311 | //Array of MC indeces | |
4dd59c4a | 312 | TArrayI arrayPrim(primMult,primList); |
7592dfc4 | 313 | ec->AddLabels(arrayPrim); |
314 | ||
315 | //Array of tracks uncomment when available in future | |
316 | //TArrayS arrayTrackMatched(1);// Only one track, temporal solution. | |
317 | //arrayTrackMatched[0]= (Short_t)(matchedTrack[iClust]); | |
318 | //ec->AddTracksMatched(arrayTrackMatched); | |
64df000d | 319 | |
dfe0be07 | 320 | // add the track to the esd object |
a5e00016 | 321 | |
85c60a8e | 322 | esd->AddCaloCluster(ec); |
9a2cdbdf | 323 | delete ec; |
e68222ce | 324 | } |
a5e00016 | 325 | digitsArray ->Delete(); |
326 | delete digitsArray; | |
327 | emcRecPoints->Delete(); | |
328 | delete emcRecPoints; | |
e68222ce | 329 | delete tsm; |
330 | delete pid; | |
dd7ee508 | 331 | } |
332 | ||
e68222ce | 333 | //____________________________________________________________________________ |
d76c31f4 | 334 | AliTracker* AliPHOSReconstructor::CreateTracker() const |
dd7ee508 | 335 | { |
9a2cdbdf | 336 | // creates the PHOS tracker |
337 | return new AliPHOSTracker(); | |
338 | } | |
dd7ee508 | 339 | |
1267d56d | 340 | //____________________________________________________________________________ |
9a2cdbdf | 341 | void AliPHOSReconstructor::ConvertDigits(AliRawReader* rawReader, TTree* digitsTree) const |
342 | { | |
343 | // Converts raw data to | |
344 | // PHOS digits | |
345 | // Works on a single-event basis | |
dd7ee508 | 346 | |
9a2cdbdf | 347 | rawReader->Reset() ; |
dd7ee508 | 348 | |
77ea1c6f | 349 | AliPHOSRawDecoder * dc ; |
350 | ||
b3006690 | 351 | const TObjArray* maps = AliPHOSRecoParamEmc::GetMappings(); |
352 | if(!maps) AliFatal("Cannot retrieve ALTRO mappings!!"); | |
353 | ||
354 | AliAltroMapping *mapping[4]; | |
355 | for(Int_t i = 0; i < 4; i++) { | |
356 | mapping[i] = (AliAltroMapping*)maps->At(i); | |
357 | } | |
358 | ||
77ea1c6f | 359 | if(strcmp(fgkRecoParamEmc->DecoderVersion(),"v1")==0) |
b3006690 | 360 | dc=new AliPHOSRawDecoderv1(rawReader,mapping); |
710634f4 | 361 | else |
362 | if(strcmp(fgkRecoParamEmc->DecoderVersion(),"v2")==0) | |
363 | dc=new AliPHOSRawDecoderv2(rawReader,mapping); | |
364 | else | |
365 | dc=new AliPHOSRawDecoder(rawReader,mapping); | |
77ea1c6f | 366 | |
77ea1c6f | 367 | dc->SubtractPedestals(fgkRecoParamEmc->SubtractPedestals()); |
86121c91 | 368 | |
9a2cdbdf | 369 | TClonesArray *digits = new TClonesArray("AliPHOSDigit",1); |
370 | digits->SetName("DIGITS"); | |
371 | Int_t bufsize = 32000; | |
372 | digitsTree->Branch("PHOS", &digits, bufsize); | |
dd7ee508 | 373 | |
a28333c5 | 374 | AliPHOSRawDigiProducer pr(fgkRecoParamEmc,fgkRecoParamCpv); |
77ea1c6f | 375 | pr.MakeDigits(digits,dc); |
376 | ||
377 | delete dc ; | |
7592dfc4 | 378 | |
9a2cdbdf | 379 | //!!!!for debug!!! |
a28333c5 | 380 | /* |
9a2cdbdf | 381 | Int_t modMax=-111; |
382 | Int_t colMax=-111; | |
383 | Int_t rowMax=-111; | |
384 | Float_t eMax=-333; | |
385 | //!!!for debug!!! | |
386 | ||
387 | Int_t relId[4]; | |
388 | for(Int_t iDigit=0; iDigit<digits->GetEntries(); iDigit++) { | |
389 | AliPHOSDigit* digit = (AliPHOSDigit*)digits->At(iDigit); | |
390 | if(digit->GetEnergy()>eMax) { | |
391 | fGeom->AbsToRelNumbering(digit->GetId(),relId); | |
392 | eMax=digit->GetEnergy(); | |
393 | modMax=relId[0]; | |
394 | rowMax=relId[2]; | |
395 | colMax=relId[3]; | |
dd7ee508 | 396 | } |
397 | } | |
398 | ||
9a2cdbdf | 399 | AliDebug(1,Form("Digit with max. energy: modMax %d colMax %d rowMax %d eMax %f\n\n", |
400 | modMax,colMax,rowMax,eMax)); | |
a28333c5 | 401 | */ |
9a2cdbdf | 402 | digitsTree->Fill(); |
e68222ce | 403 | digits->Delete(); |
404 | delete digits; | |
d7d3b67b | 405 | } |