Extra header added to the list

[u/mrichter/AliRoot.git] / FASTSIM / AliFastMuonTrackingAcc.cxx

diff --git a/FASTSIM/AliFastMuonTrackingAcc.cxx b/FASTSIM/AliFastMuonTrackingAcc.cxx
index 0c1d62ed1bdf3aaf807df6ea60d672b34ef666ab..dd5462ede07e2858d51ef76ddc8e7e3ca796fa56 100644 (file)
--- a/FASTSIM/AliFastMuonTrackingAcc.cxx
+++ b/FASTSIM/AliFastMuonTrackingAcc.cxx
@@ -13,9 +13,16 @@
  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 
-/*
-$Log$
-*/
+/* $Id$ */
+
+// Realisation of AliFastResponse for the
+// fast simulation of the muon spectrometer acceptance.
+// The acceptance depends on the muon 3-vector which can be passed as (pt, theta, phi), 
+// where pt is the transverse momentum, theta the polar angle and phi the azimuthal angle.
+// Author: Andreas Morsch
+// andreas.morsch@cern.ch 
+
+#include <TMath.h>
 
 #include "AliFastMuonTrackingAcc.h"
 #include "AliMUONFastTracking.h"
@@ -24,9 +31,22 @@ ClassImp(AliFastMuonTrackingAcc)
 
 
 AliFastMuonTrackingAcc::AliFastMuonTrackingAcc() :
-    AliFastResponse("Acceptance", "Muon Tracking Acceptance")
+    AliFastResponse("Acceptance", "Muon Tracking Acceptance"),
+    fBackground(1.),
+    fCharge(1.),
+    fFastTracking(0)
+{
+    // Default Constructor
+}
+
+AliFastMuonTrackingAcc::AliFastMuonTrackingAcc(const AliFastMuonTrackingAcc & acc)
+    :AliFastResponse(acc),
+     fBackground(1.),
+     fCharge(1.),
+     fFastTracking(0)
 {
-    SetBackground();
+// Copy constructor
+    acc.Copy(*this);
 }
 
 void AliFastMuonTrackingAcc::Init()
@@ -37,9 +57,17 @@ void AliFastMuonTrackingAcc::Init()
 
 
 
-Float_t AliFastMuonTrackingAcc::Evaluate(Float_t pt, Float_t theta, Float_t phi)
+Float_t AliFastMuonTrackingAcc::Evaluate(Float_t /*charge*/, Float_t pt, Float_t theta, Float_t phi)
 {
+// Evaluate the tracking acceptance for 3-vector pt, theta, phi
     Float_t p = pt / TMath::Sin(theta*TMath::Pi()/180.);
     Float_t eff =  fFastTracking->Acceptance(p, theta, phi, Int_t(fCharge));
     return eff;
 }
+
+AliFastMuonTrackingAcc& AliFastMuonTrackingAcc::operator=(const  AliFastMuonTrackingAcc& rhs)
+{
+// Assignment operator
+    rhs.Copy(*this);
+    return *this;
+}