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• ObjectIDToColor() : Rgl
• ObjectName() : RooFit
• ObjectProxy_Check() : PyROOT
• ObjectProxy_CheckExact() : PyROOT
• Odd() : TMath
• Offset() : RooFit
• op_dealloc_nofree() : PyROOT
• OpenFile() : TMVA::TMVAGlob
• operator!=() : ROOT::Internal , ROOT
• operator&() : ROOT::Hist , ROOT::Vc::AVX , ROOT::Vc , ROOT::Vc::SSE
• operator&&() : ROOT::Vc::AVX , ROOT::Vc::SSE
• operator*() : ROOT::Math , ROOT::Minuit2 , RootCsg
• operator+() : ROOT::Math , ROOT::Minuit2 , RootCsg
• operator-() : ROOT::Math , ROOT::Minuit2 , RootCsg
• operator/() : ROOT::Math , ROOT::Minuit2 , RootCsg
• operator<() : Memstat , ROOT::Internal , ROOT , TMVA
• operator<<() : RooFit , ROOT::Fit , ROOT::Math::detail , ROOT::Math , ROOT::Minuit2 , TMVA::kNN , TMVA
• operator<=() : ROOT::Internal , ROOT
• operator==() : ROOT::Internal , ROOT , RootCsg
• operator>() : ROOT::Internal , ROOT
• operator>=() : ROOT::Internal , ROOT
• operator>>() : ROOT::Math::detail , ROOT::Math , TMVA
• operator^() : ROOT::Vc::AVX , ROOT::Vc::SSE
• operator_equal_impl() : std::detail
• operator|() : ROOT::Vc::AVX , ROOT::Vc , ROOT::Vc::SSE
• operator||() : ROOT::Vc::AVX , ROOT::Vc::SSE
• Optimize() : RooFit
• or_() : ROOT::Vc::AVX::Intrinsics
• Outer_prod() : ROOT::Minuit2
• Outer_product() : ROOT::Minuit2
• OutputFile() : RooFit
• OutputStream() : RooFit
• OwnLinked() : RooFit
• ToHumanReadableSize() : ROOT
• Topic() : RooFit
• ToString() : ROOT::Math::Util