From 705d9e7b6abef5d5933bb526fe4535b8417ac529 Mon Sep 17 00:00:00 2001
From: cblume <cblume@f7af4fe6-9843-0410-8265-dc069ae4e863>
Date: Thu, 29 Jan 2009 19:37:14 +0000
Subject: [PATCH] Add a Reset funcion

---
 TRD/AliTRDarrayADC.cxx        | 12 ++++++++++++
 TRD/AliTRDarrayADC.h          |  1 +
 TRD/AliTRDarrayDictionary.cxx | 12 ++++++++++++
 TRD/AliTRDarrayDictionary.h   |  1 +
 TRD/AliTRDarraySignal.cxx     | 11 +++++++++++
 TRD/AliTRDarraySignal.h       |  1 +
 6 files changed, 38 insertions(+)

diff --git a/TRD/AliTRDarrayADC.cxx b/TRD/AliTRDarrayADC.cxx
index 91f96ccd504..d1cce1e85e5 100644
--- a/TRD/AliTRDarrayADC.cxx
+++ b/TRD/AliTRDarrayADC.cxx
@@ -545,3 +545,15 @@ void AliTRDarrayADC::DeleteNegatives()
 	}
     }
 }
+//________________________________________________________________________________
+void AliTRDarrayADC::Reset()
+{
+  //
+  // Reset the array, the old contents are deleted
+  // The array keeps the same dimensions as before
+  //
+ 
+  memset(fADC,0,sizeof(Short_t)*fNAdim);
+
+}
+
diff --git a/TRD/AliTRDarrayADC.h b/TRD/AliTRDarrayADC.h
index ca724e167e5..c31c6beb381 100644
--- a/TRD/AliTRDarrayADC.h
+++ b/TRD/AliTRDarrayADC.h
@@ -42,6 +42,7 @@ class AliTRDarrayADC: public TObject
   Int_t   GetNcol() const {return fNcol;};
   Int_t   GetDim() const {return fNAdim;};
   void    DeleteNegatives();
+  void    Reset();
 
  protected:
 
diff --git a/TRD/AliTRDarrayDictionary.cxx b/TRD/AliTRDarrayDictionary.cxx
index 7ee6a1db421..335e212be6a 100644
--- a/TRD/AliTRDarrayDictionary.cxx
+++ b/TRD/AliTRDarrayDictionary.cxx
@@ -25,6 +25,7 @@
 /////////////////////////////////////////////////////////
 
 #include "AliTRDarrayDictionary.h"
+#include "TArray.h"
 
 ClassImp(AliTRDarrayDictionary)
 
@@ -328,3 +329,14 @@ void AliTRDarrayDictionary::Expand()
   if(longArr) delete [] longArr;
 
 }
+//________________________________________________________________________________
+void AliTRDarrayDictionary::Reset()
+{
+  //
+  // Reset the array, the old contents are deleted
+  // and the data array elements are set to zero.
+  //
+
+  memset(fDictionary,0,sizeof(Int_t)*fNDdim);
+
+}
diff --git a/TRD/AliTRDarrayDictionary.h b/TRD/AliTRDarrayDictionary.h
index c57ca01a747..360d4498f16 100644
--- a/TRD/AliTRDarrayDictionary.h
+++ b/TRD/AliTRDarrayDictionary.h
@@ -34,6 +34,7 @@ class AliTRDarrayDictionary: public TObject
   Int_t GetDim() const {return fNDdim;};
   void  Compress();
   void  Expand();
+  void  Reset();
 
  protected:
 
diff --git a/TRD/AliTRDarraySignal.cxx b/TRD/AliTRDarraySignal.cxx
index 68749de2dd5..25bfd50deb3 100644
--- a/TRD/AliTRDarraySignal.cxx
+++ b/TRD/AliTRDarraySignal.cxx
@@ -356,3 +356,14 @@ void AliTRDarraySignal::Expand()
   if(longArr) delete [] longArr;
 
 }
+//________________________________________________________________________________
+void AliTRDarraySignal::Reset()
+{
+  //
+  // Reset the array, the old contents are deleted
+  // The array keeps the same dimensions as before
+  //
+
+  memset(fSignal,0,sizeof(Float_t)*fNdim);
+
+}
diff --git a/TRD/AliTRDarraySignal.h b/TRD/AliTRDarraySignal.h
index 481e11233bd..02c25698add 100644
--- a/TRD/AliTRDarraySignal.h
+++ b/TRD/AliTRDarraySignal.h
@@ -39,6 +39,7 @@ class AliTRDarraySignal: public TObject
   Int_t   GetOverThreshold(Float_t threshold);
   void    Compress(Float_t minval);
   void    Expand();
+  void    Reset();
 
  protected:
 
-- 
2.39.3