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File indexing completed on 2025-01-18 10:10:59
0001 // @(#)root/tmva $Id$ 0002 // Author: Peter Speckmayer 0003 0004 /********************************************************************************** 0005 * Project: TMVA - a Root-integrated toolkit for multivariate data analysis * 0006 * Package: TMVA * 0007 * Class : Interval * 0008 * * 0009 * * 0010 * Description: * 0011 * Generic range definition (used, eg, in genetic algorithm) * 0012 * * 0013 * Authors (alphabetical): * 0014 * Peter Speckmayer <speckmay@mail.cern.ch> - CERN, Switzerland * 0015 * * 0016 * Copyright (c) 2005: * 0017 * CERN, Switzerland * 0018 * MPI-K Heidelberg, Germany * 0019 * * 0020 * Redistribution and use in source and binary forms, with or without * 0021 * modification, are permitted according to the terms listed in LICENSE * 0022 * (see tmva/doc/LICENSE) * 0023 **********************************************************************************/ 0024 0025 #ifndef ROOT_TMVA_Interval 0026 #define ROOT_TMVA_Interval 0027 0028 ////////////////////////////////////////////////////////////////////////////// 0029 // // 0030 // Interval // 0031 // // 0032 // Interval definition, continuous and discrete // 0033 // // 0034 // Interval(min,max) : a continuous interval [min,max] // 0035 // Interval(min,max,n): a "discrete interval" [min,max], i.e the n numbers: // 0036 // min, min+step, min+2*step,...., min+(n-1)*step, min+n*step=max // 0037 // e.g.: Interval(1,5,5)=1,2,3,4,5 // 0038 // Interval(.5,1.,6)= .5, .6., .7, .8, .9, 1.0 // 0039 // // 0040 // Note: **bin** counting starts from ZERO unlike in ROOT histograms // 0041 // // 0042 // Example: Interval(.5,1.,6) // 0043 // // 0044 // [ min max ] // 0045 // ------------------------------------------------------------ // 0046 // | | | | | | // 0047 // .5 .6 .7 .8 .9 1.0 // 0048 // // 0049 // bin 0 1 2 3 4 5 // 0050 // // 0051 // // 0052 ////////////////////////////////////////////////////////////////////////////// 0053 #include "Rtypes.h" 0054 0055 class TRandom3; 0056 0057 namespace TMVA { 0058 0059 class MsgLogger; 0060 0061 class Interval { 0062 0063 public: 0064 0065 Interval( Double_t min, Double_t max, Int_t nbins = 0 ); 0066 Interval( const Interval& other ); 0067 virtual ~Interval(); 0068 0069 // accessors 0070 // accessors 0071 virtual Double_t GetMin() const { return fMin; } 0072 virtual Double_t GetMax() const { return fMax; } 0073 virtual Double_t GetWidth() const; 0074 virtual Int_t GetNbins() const { return fNbins; } 0075 virtual Double_t GetMean() const; 0076 virtual Double_t GetRndm( TRandom3& ) const; 0077 virtual Double_t GetElement( Int_t position ) const; 0078 virtual Double_t GetStepSize(Int_t iBin=0) const; 0079 0080 void SetMax( Double_t m ) { fMax = m; } 0081 void SetMin( Double_t m ) { fMin = m; } 0082 0083 virtual void Print( std::ostream& os ) const; 0084 0085 protected: 0086 0087 Double_t fMin, fMax; ///< the constraints of the Interval 0088 Int_t fNbins; ///< when >0 : number of bins (discrete interval); when ==0 continuous interval 0089 0090 private: 0091 MsgLogger& Log() const; 0092 0093 ClassDef(Interval,0); // Interval definition, continuous and discrete 0094 }; 0095 0096 } // namespace TMVA 0097 0098 #endif
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