[PWGLF] updated the config axis with variable width (#14643)

Co-authored-by: Prottay Das <prottay@alipap1.cern.ch>

Author: prottayCMT

PWGLF/Tasks/Strangeness/lambdaspincorrderived.cxx

@@ -120,25 +120,25 @@ struct lambdaspincorrderived {
   // Event Mixing
   Configurable<int> cosDef{"cosDef", 1, "Defination of cos"};
   Configurable<int> nEvtMixing{"nEvtMixing", 10, "Number of events to mix"};
-  ConfigurableAxis CfgVtxBins{"CfgVtxBins", {10, -10, 10}, "Mixing bins - z-vertex"};
-  ConfigurableAxis CfgMultBins{"CfgMultBins", {8, 0.0, 80}, "Mixing bins - centrality"};
+  ConfigurableAxis CfgVtxBins{"CfgVtxBins", {VARIABLE_WIDTH, -10, -8, -6, -4, -2, 0, 2, 4, 6, 8, 10}, "Mixing bins - z-vertex"};
+  ConfigurableAxis CfgMultBins{"CfgMultBins", {VARIABLE_WIDTH, 0, 110}, "Mixing bins - centrality"};
   Configurable<float> etaMix{"etaMix", 0.1, "Eta cut on event mixing"};
   Configurable<float> ptMix{"ptMix", 0.1, "Pt cut on event mixing"};
   Configurable<float> phiMix{"phiMix", 0.1, "Phi cut on event mixing"};
   Configurable<float> massMix{"massMix", 0.0028, "Masscut on event mixing"};
 
-  ConfigurableAxis ax_dphi_h{"ax_dphi_h", {72, 0.0, 2.0 * TMath::Pi()}, "Δφ_h"};
-  ConfigurableAxis ax_deta{"ax_deta", {40, -1.0, 1.0}, "Δη"};
-  ConfigurableAxis ax_ptpair{"ax_ptpair", {100, 0.0, 10.0}, "p_{T,pair} (GeV/c)"};
+  ConfigurableAxis ax_dphi_h{"ax_dphi_h", {VARIABLE_WIDTH, 0.0, 2.0 * TMath::Pi()}, "Δφ_h"};
+  ConfigurableAxis ax_deta{"ax_deta", {VARIABLE_WIDTH, -1.0, 1.0}, "Δη"};
+  ConfigurableAxis ax_ptpair{"ax_ptpair", {VARIABLE_WIDTH, 0.0, 10.0}, "p_{T,pair} (GeV/c)"};
 
   // THnsparse bining
   ConfigurableAxis configThnAxisInvMass{"configThnAxisInvMass", {50, 1.09, 1.14}, "#it{M} (GeV/#it{c}^{2})"};
-  ConfigurableAxis configThnAxisR{"configThnAxisR", {80, 0.0, 8.0}, "#it{R}"};
-  ConfigurableAxis configThnAxisPol{"configThnAxisPol", {80, 0.0, 8.0}, "cos#it{#theta *}"};
-  ConfigurableAxis configThnAxisCentrality{"configThnAxisCentrality", {8, 0.0, 80.0}, "Centrality"};
-  ConfigurableAxis configThnAxisRapidity{"configThnAxisRapidity", {5, 0.0, 1.0}, "Rapidity"};
-  ConfigurableAxis configThnAxisPairMass{"configThnAxisPairMass", {100, 2.0, 3.0}, "PairMass"};
-  ConfigurableAxis configThnAxisPhi{"configThnAxisPhi", {18, 0.0, 2.0 * TMath::Pi()}, "Phi"};
+  ConfigurableAxis configThnAxisR{"configThnAxisR", {VARIABLE_WIDTH, 0.0, 8.0}, "#it{R}"};
+  ConfigurableAxis configThnAxisPol{"configThnAxisPol", {VARIABLE_WIDTH, 0.0, 8.0}, "cos#it{#theta *}"};
+  ConfigurableAxis configThnAxisCentrality{"configThnAxisCentrality", {VARIABLE_WIDTH, 0.0, 80.0}, "Centrality"};
+  ConfigurableAxis configThnAxisRapidity{"configThnAxisRapidity", {VARIABLE_WIDTH, 0.0, 1.0}, "Rapidity"};
+  ConfigurableAxis configThnAxisPairMass{"configThnAxisPairMass", {VARIABLE_WIDTH, 2.0, 3.0}, "PairMass"};
+  ConfigurableAxis configThnAxisPhi{"configThnAxisPhi", {VARIABLE_WIDTH, 0.0, 2.0 * TMath::Pi()}, "Phi"};
   HistogramRegistry histos{"histos", {}, OutputObjHandlingPolicy::AnalysisObject};
 
   void init(o2::framework::InitContext&)