Improve const correctness

Former-commit-id: 8e753d8dd2ffdad927055472a8297079a2d22701

InnerDetector/InDetRecTools/TRT_ElectronPidTools/TRT_ElectronPidTools/ITRT_LocalOccupancy.h

@@ -48,7 +48,7 @@ namespace InDet
    virtual float LocalOccupancy(const double eta, const double phi) = 0;
     
    /** Return a map of the occupancy in the barrel (-1,+1) and endcaps (-2,+2) */
-   virtual std::map<int, double>  getDetectorOccupancy( const TRT_RDO_Container* p_trtRDOContainer ) = 0;
+   virtual std::map<int, double>  getDetectorOccupancy( const TRT_RDO_Container* p_trtRDOContainer ) const  = 0;
      
 
    /** Return the global occupancy of the event*/ 

InnerDetector/InDetRecTools/TRT_ElectronPidTools/TRT_ElectronPidTools/TRT_LocalOccupancy.h

@@ -68,7 +68,7 @@ namespace InDet
    virtual float LocalOccupancy(const double eta, const double phi);
 
    /** Return a map of the occupancy in the barrel (-1,+1) and endcaps (-2,+2) */
-   virtual std::map<int, double> getDetectorOccupancy( const TRT_RDO_Container* p_trtRDOContainer );
+   virtual std::map<int, double> getDetectorOccupancy( const TRT_RDO_Container* p_trtRDOContainer ) const;
 
    /** Return the global occupancy of the event*/ 
    /** 7 Floats: TRT, Barrel A / C, endcapA/B A/C */ 
@@ -93,8 +93,8 @@ namespace InDet
 
       int **m_track_local; // records number of track hits in each region, for each track
 
-      bool isMiddleBXOn(unsigned int word);
-      bool passValidityGate(unsigned int word, float t0);
+      bool isMiddleBXOn(unsigned int word) const;
+      bool passValidityGate(unsigned int word, float t0) const;
 
       void  countHitsNearTrack();
       //   void  countHitsNearTrack(std::vector<IdentifierHash>* hash_vec);

InnerDetector/InDetRecTools/TRT_ElectronPidTools/src/TRT_LocalOccupancy.cxx

@@ -318,7 +318,8 @@ float TRT_LocalOccupancy::LocalOccupancy(const Trk::Track& track ){
 }
 
 
-std::map<int, double>  TRT_LocalOccupancy::getDetectorOccupancy( const TRT_RDO_Container* p_trtRDOContainer ){
+std::map<int, double>  TRT_LocalOccupancy::getDetectorOccupancy( const TRT_RDO_Container* p_trtRDOContainer ) const
+{
   
   std::map<int,int> hitCounter;
   std::map<int,double> occResults;
@@ -510,7 +511,7 @@ void  TRT_LocalOccupancy::countHitsNearTrack(){
 
 
 // ========================================================================
-bool TRT_LocalOccupancy::isMiddleBXOn(unsigned int word) {
+bool TRT_LocalOccupancy::isMiddleBXOn(unsigned int word) const {
   // check that there is at least one hit in middle 25 ns
   unsigned mask = 0x00010000;
   int i=0;
@@ -521,7 +522,7 @@ bool TRT_LocalOccupancy::isMiddleBXOn(unsigned int word) {
 return false;
 }
 
-bool TRT_LocalOccupancy::passValidityGate(unsigned int word, float t0) {
+bool TRT_LocalOccupancy::passValidityGate(unsigned int word, float t0) const {
   bool foundInterval = false;
   unsigned  mask = 0x02000000;
   int i = 0;