change three functions(includeing isZero()) to const method

Trigger/TrigAlgorithms/TrigL2MuonSA/TrigL2MuonSA/AlphaBetaEstimate.h

@@ -50,10 +50,10 @@ class AlphaBetaEstimate: public AthAlgTool
 			      double MiddleSlope, double MiddleR, double MiddleZ,
 			      double sign);
     
-    double     computeRadius3Points(double InnerZ, double InnerR, double EEZ, double EER,double MiddleZ, double MiddleR );
-    double     calcDistance(double x1,double y1,double x2,double y2,double x3,double y3) ;
+    double     computeRadius3Points(double InnerZ, double InnerR, double EEZ, double EER,double MiddleZ, double MiddleR ) const ;
+    double     calcDistance(double x1,double y1,double x2,double y2,double x3,double y3) const;
     
-    inline bool isZero( float value, float tolerance = 1e-5 ) {
+    inline bool isZero( float value, float tolerance = 1e-5 ) const {
       return std::abs( value ) < tolerance;
     }
     

Trigger/TrigAlgorithms/TrigL2MuonSA/src/AlphaBetaEstimate.cxx

@@ -343,7 +343,7 @@ double TrigL2MuonSA::AlphaBetaEstimate::computeRadius(double InnerSlope, double
 double TrigL2MuonSA::AlphaBetaEstimate::computeRadius3Points(double InnerZ, double InnerR, 
                                                                double EEZ, double EER,
                                                                double MiddleZ, double MiddleR)
-{
+const {
   double radius_EE;
 
   double a3;
@@ -377,7 +377,7 @@ double TrigL2MuonSA::AlphaBetaEstimate::computeRadius3Points(double InnerZ, doub
   return radius_EE;
 }
 
-double TrigL2MuonSA::AlphaBetaEstimate::calcDistance(double x1,double y1,double x2,double y2,double x3,double y3)    {
+double TrigL2MuonSA::AlphaBetaEstimate::calcDistance(double x1,double y1,double x2,double y2,double x3,double y3)   const {
   double xm1=(x1+x2)/2;
   double xm2=(x2+x3)/2;
   double ym1=(y1+y2)/2;