Fixes for report #63583: High CPU time spent in TMath::Erf

[u/mrichter/AliRoot.git] / ITS / AliITSDigitizer.h

diff --git a/ITS/AliITSDigitizer.h b/ITS/AliITSDigitizer.h
index 17b068fc5acec191e362ec9baaaa5ceef65f74e5..5bd87e6fcb4b3b22507e653e9a9e2bff6fdb7745 100644 (file)
--- a/ITS/AliITSDigitizer.h
+++ b/ITS/AliITSDigitizer.h
@@ -1,46 +1,71 @@
-#ifndef ALIITSDIGITZER_H
-#define ALIITSDIGITZER_H
+#ifndef ALIITSDIGITIZER_H
+#define ALIITSDIGITIZER_H
 /* Copyright (c) 1998-2001, ALICE Experiment at CERN, All rights reserved *
  * See cxx source for full Copyright notice                               */
 
 /*
   $Id$
  */
-
+//////////////////////////////////////////////////////////////////
+// Digitizer class for ITS                                      //
+//////////////////////////////////////////////////////////////////
 class TObjArray;
-
-#include <TClonesArray.h> // function of this class used in inline functions.
+class TTree;
 
 class AliRunDigitizer;
 
 #include "AliDigitizer.h" // Base class from which this one is derived
 #include "AliITS.h"   // ITS class functions used in inline functions.
-class AliITShit;
 class AliITSmodule;
 
 class AliITSDigitizer : public AliDigitizer{
  public:
     AliITSDigitizer();
     AliITSDigitizer(AliRunDigitizer *manager);
+
     virtual ~AliITSDigitizer();
     // Standard routines.
     virtual Bool_t Init();
+    // Perform SDigits to Digits, with or without merging, depending on the
+    // number of files.
     virtual void Exec(Option_t* opt=0);
     // Sets a particular module active
-    virtual void SetModuleActive(Int_t i){if(fActive) fActive[i] = kTRUE;}
+    virtual void SetModuleActive(Int_t i){if(fModActive) fModActive[i] = kTRUE;}
     // Sets a particular module inactive
-    virtual void SetModuleInActive(Int_t i){if(fActive) fActive[i] = kFALSE;}
+    virtual void SetModuleInActive(Int_t i){if(fModActive) fModActive[i] = kFALSE;}
+    // Sets Region of Interst Flag. if fRiof=0 then no Region of Interest
+    // cut applyed
+    virtual void SetByRegionOfInterestFlag(Int_t i=0){fRoif = i;};
+    // Sets the SDigits file number to  be used to define the region of 
+    // interest. Default is file=-1, assumed that a region of interest
+    // cut will be applied. A value of 0 means no cut to be applyed. Other
+    // values have yet to be defined.
+    virtual void SetByRegionOfFileNumber(Int_t i=-1){fRoiifile = i;};
+    // Clears the region of interest flag. Calling this implies that a
+    // Region of interest cut will not be made.
+    virtual void ClearByRegionOfInterestFlag(){fRoif = 0;};
  private:
+    AliITSDigitizer(const AliITSDigitizer& dig);
+    AliITSDigitizer& operator=(const AliITSDigitizer &source);
     // Routines used internaly
-    TClonesArray* GetHits(){return fITS->Hits();}
-    AliITShit* GetHit(Int_t h){return (AliITShit*)(GetHits()->UncheckedAt(h));}
+    // Returns a pointer to the TObjecArray of Modules.
     TObjArray* GetModules(){return fITS->GetModules();}
+    // Returns a pointer to a  specific module.
     AliITSmodule* GetModule(Int_t i){return fITS->GetModule(i);}
+    // Returns a pointer to the manager
     AliRunDigitizer* GetManager(){return fManager;}
+    // Sets the region of Interest based on which module have SDigits
+    // Defined (non-noise SDigits).
+    virtual void SetByRegionOfInterest(TTree *ts);
  private:
-    AliITS *fITS;  //! local pointer to ITS
-    Bool_t *fActive; //! flag to indicate which module to digitize.
+    AliITS *fITS;      //! local pointer to ITS
+    Bool_t *fModActive;//! flag to indicate which module to digitize.
+    Bool_t  fInit;     //! flag to indecate Initilization when well.
+    Int_t   fRoif;     //! Region of interest flag.
+    Int_t   fRoiifile; //! The file number with which to determing the region
+                       // of interest from.
+    Bool_t fFlagFirstEv; //! Flag to control calibration access
 
-    ClassDef(AliITSDigitizer,1) // Task to Digitize ITS from summable hits.
+    ClassDef(AliITSDigitizer,2) // Task to Digitize ITS from summable hits.
 };
 #endif