X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=FASTSIM%2FAliFastMuonTrackingEff.cxx;h=87031ab5058318fc407365841673c509085cb8de;hb=f308715b4513e2cdea1cf354d122cf6fefb89429;hp=55aa3534607f318f60417954efce9ffd92542934;hpb=6255180c42f3db23fd55e13a1a4f37a977550e6f;p=u%2Fmrichter%2FAliRoot.git

diff --git a/FASTSIM/AliFastMuonTrackingEff.cxx b/FASTSIM/AliFastMuonTrackingEff.cxx
index 55aa3534607..87031ab5058 100644
--- a/FASTSIM/AliFastMuonTrackingEff.cxx
+++ b/FASTSIM/AliFastMuonTrackingEff.cxx
@@ -13,9 +13,17 @@
  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 
-/*
-$Log$
-*/
+/* $Id$ */
+//
+// Class for fast simulation of the ALICE Muon Spectrometer
+// Tracking Efficiency.
+// The efficiency depends on trasverse momentum pt, polar angle theta and azimuthal angle phi.
+//
+// Author: Alessandro de Falco 
+// alessandro.de.falco@ca.infn.it
+// 
+
+#include <TMath.h>
 
 #include "AliFastMuonTrackingEff.h"
 #include "AliMUONFastTracking.h"
@@ -24,22 +32,49 @@ ClassImp(AliFastMuonTrackingEff)
 
 
 AliFastMuonTrackingEff::AliFastMuonTrackingEff() :
-    AliFastResponse("Efficiency", "Muon Tracking Efficiency")
+    AliFastResponse("Efficiency", "Muon Tracking Efficiency"),
+    fBackground(1.),
+    fCharge(1.),
+    fFastTracking(0)
 {
-    SetBackground();
+//
+// Constructor
+}
+
+AliFastMuonTrackingEff::AliFastMuonTrackingEff(const AliFastMuonTrackingEff& eff)
+    :AliFastResponse(eff),
+    fBackground(1.),
+    fCharge(1.),
+    fFastTracking(0)
+{
+// Copy constructor
+    eff.Copy(*this);
 }
 
 void AliFastMuonTrackingEff::Init()
 {
+//
+// Initialization
     fFastTracking = AliMUONFastTracking::Instance();
     fFastTracking->Init(fBackground);
 }
 
 
 
-Float_t AliFastMuonTrackingEff::Evaluate(Float_t pt, Float_t theta, Float_t phi)
+Float_t AliFastMuonTrackingEff::Evaluate(Float_t /*charge*/, Float_t pt, Float_t theta, Float_t phi)
 {
+//
+// Evaluate the efficience for muon with 3-vector (pt, theta, phi)
     Float_t p = pt / TMath::Sin(theta*TMath::Pi()/180.);
     Float_t eff =  fFastTracking->Efficiency(p, theta, phi, Int_t(fCharge));
     return eff;
 }
+
+
+AliFastMuonTrackingEff& AliFastMuonTrackingEff::operator=(const  AliFastMuonTrackingEff& rhs)
+{
+// Assignment operator
+    rhs.Copy(*this);
+    return *this;
+}
+