fix initalize tree

Author: GernotMaier

docs/changes/337.feauture.md

@@ -0,0 +1 @@
+Add XGB-based gamma/hadron classification routines. Use with `* cutselection 52 0` in cut file.

inc/CData.h

@@ -278,7 +278,7 @@ class CData
         float get_ErecdE( unsigned int method );
         float get_Xoff( unsigned int method );
         float get_Yoff( unsigned int method );
-        void   initialize_xgb_tree( TTree* stereoTree, TTree* ghTree );
+        void   initialize_xgb_tree();
         TTree* getXGBTree( string file_name, string suffix, string tree_name );
         pair<float, float> get_XYoff_derot( unsigned int method );
         virtual Long64_t LoadTree( Long64_t entry );

src/CData.cpp

@@ -658,7 +658,7 @@ Bool_t CData::Notify()
 }
 
 /*
-   Get Gamma/hadron decision from XGB friend tree.
+   Get Get gamma prediction score.
 */
 float CData::get_GH_Gamma_Prediction()
 {
@@ -1102,7 +1102,7 @@ TTree* CData::getXGBTree( string file_name, string file_suffix, string tree_name
  * Initialize XGB trees as kind of friends
  *
 */
-void CData::initialize_xgb_tree( TTree* stereoTree, TTree* ghTree )
+void CData::initialize_xgb_tree()
 {
     if( fStereoFriendTree )
     {