From: lietava <lietava@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Sun, 28 Apr 2013 13:19:40 +0000 (+0000)
Subject: Getter for downscaling factor/busy time
X-Git-Url: http://git.uio.no/git/?p=u%2Fmrichter%2FAliRoot.git;a=commitdiff_plain;h=fd55e71ce2b0dff47e96083223258c94e2c3380a

Getter for downscaling factor/busy time
---

diff --git a/STEER/ESD/AliTriggerClass.cxx b/STEER/ESD/AliTriggerClass.cxx
index 4cf68f01707..04bb4fb7543 100644
--- a/STEER/ESD/AliTriggerClass.cxx
+++ b/STEER/ESD/AliTriggerClass.cxx
@@ -295,3 +295,20 @@ void AliTriggerClass::Print( const Option_t* ) const
    else
      cout << "   Class is not fired  " << endl;
 }
+//______________________________________________________________________
+ Int_t AliTriggerClass::GetDownscaleFactor(Double_t& ds) const 
+{
+ // There are 2 types of downscaling:
+ // - Random time veto downscale (option=0 <=> bit 31=0)
+ // - Class busy veto (option=1 <=> bit 31=1)
+ // 
+ Int_t option=0;
+ if(fPrescaler&(1<<31)) option=1;
+ if(option){
+   ds = (fPrescaler&0x1ffffff)/100.; // class busy in milisec
+ }else{
+   ds = 1.- fPrescaler/2097151.;     // reduction factor in %
+ }
+ return option;
+}
+
diff --git a/STEER/ESD/AliTriggerClass.h b/STEER/ESD/AliTriggerClass.h
index 17d771373f2..8d80750bbe5 100644
--- a/STEER/ESD/AliTriggerClass.h
+++ b/STEER/ESD/AliTriggerClass.h
@@ -58,6 +58,7 @@ public:
 	           UInt_t GetTimeGroup() const { return fTimeGroup; }
 	           UInt_t GetTimeWindow() const { return fTimeGroup; }
 		   UInt_t GetPrescaler() const { return fPrescaler; }
+		   Int_t GetDownscaleFactor(Double_t &ds) const;
 
 		   Bool_t SetMasks(AliTriggerConfiguration *config,TString &mask);
                     void  Trigger( const TObjArray& inputs , const TObjArray& functions);