Coding conventions

[u/mrichter/AliRoot.git] / FMD / AliFMDCalibPedestal.cxx

diff --git a/FMD/AliFMDCalibPedestal.cxx b/FMD/AliFMDCalibPedestal.cxx
index 222aef8690d43db1be872e0bd2efa8cecb29e8f8..9ef31e30ca5f76747aa1be3bff3716cc46cfea89 100644 (file)
--- a/FMD/AliFMDCalibPedestal.cxx
+++ b/FMD/AliFMDCalibPedestal.cxx
@@ -31,6 +31,8 @@
 #include <iostream>
 #include <TString.h>
 #include <AliLog.h>
+#include "AliFMDDebug.h"
+#include "AliFMDBoolMap.h"
 
 //____________________________________________________________________
 ClassImp(AliFMDCalibPedestal)
@@ -62,6 +64,7 @@ AliFMDCalibPedestal&
 AliFMDCalibPedestal::operator=(const AliFMDCalibPedestal& o)
 {
   // Assignment operator 
+  if (&o == this) return *this; 
   fValue = o.fValue;
   fWidth = o.fWidth;
   return (*this);
@@ -96,11 +99,93 @@ AliFMDCalibPedestal::Width(UShort_t det, Char_t ring, UShort_t sec,
   return fWidth(det, ring, sec, str);
 }
 
+//____________________________________________________________________
+namespace {
+  struct MakeDead : public AliFMDMap::ForOne
+  {
+    MakeDead(AliFMDBoolMap* dead, Float_t max) 
+      : fDead(dead), fMax(max), fCount(0)
+    {}
+    MakeDead(const MakeDead& other) 
+      : AliFMDMap::ForOne(other),
+        fDead(other.fDead), fMax(other.fMax), fCount(other.fCount)
+    {}
+    MakeDead& operator=(const MakeDead& other) 
+    { 
+      if (&other == this) return *this; 
+      fDead   = other.fDead;
+      fMax    = other.fMax;
+      fCount  = other.fCount;
+      return *this;
+    }
+    Bool_t operator()(UShort_t d, Char_t r, UShort_t s, UShort_t t, Float_t v)
+    {
+      AliDebugGeneral("AliFMDCalibPedestal::MakeDeadMap", 100, 
+                     Form("Checking if noise of FMD%d%c[%2d,%3d]=%f "
+                             "is larger than %f", d, r, s, t, v, fMax));
+      if (v > fMax) {
+       fDead->operator()(d,r,s,t) = kTRUE;
+       fCount++;
+      }
+      return kTRUE;
+    }
+    Bool_t operator()(UShort_t, Char_t, UShort_t, UShort_t, Int_t) 
+    { return kFALSE; }
+    Bool_t operator()(UShort_t, Char_t, UShort_t, UShort_t, UShort_t)
+    { return kFALSE; }
+    Bool_t operator()(UShort_t, Char_t, UShort_t, UShort_t, Bool_t)
+    { return kFALSE; }
+    AliFMDBoolMap* fDead;
+    Float_t        fMax;
+    Int_t          fCount;
+  };
+}
+
+//____________________________________________________________________
+AliFMDBoolMap*
+AliFMDCalibPedestal::MakeDeadMap(Float_t maxW, AliFMDBoolMap* dead) const
+{
+  // 
+  // Make a dead map based on the noise of the channels.  If the noise
+  // of a paraticular channel is larger than @a maxW, then the channel
+  // is marked as dead. 
+  //
+  // If the argument @a dead is non-null, then the map passed is
+  // modified.  That is, channels marked as dead in the map will
+  // remain marked.   Channels that meat the criterion (noise larger
+  // than @a maxW) will in addition be marked as dead. 
+  //
+  // If the argument @a dead is null, then a new map is created and a
+  // pointer to this will be returned. 
+  // 
+  // Parameters:
+  //    maxW Maximum value of noise for a channel before it is
+  // marked as dead. 
+  //    dead If non-null, then modify this map. 
+  // 
+  // Return:
+  //    A pointer to possibly newly allocated dead map. 
+  //
+ if (!dead) { 
+    dead = new AliFMDBoolMap(0,0,0,0);
+    dead->Reset(kFALSE);
+  }
+  MakeDead dm(dead, maxW);
+  fWidth.ForEach(dm);
+  AliFMDDebug(1, ("Found a total of %d dead channels", dm.fCount));
+  return dead;
+}
+
 //____________________________________________________________________
 Bool_t
 AliFMDCalibPedestal::ReadFromFile(std::istream& in)
 {
-  // Get header (how long is it ?)
+  //
+  // Read information from file and set values
+  // 
+  // Parameters:
+  //    inFile inputFile
+  //
   TString header;
   header.ReadLine(in);
   header.ToLower();