code violation

[u/mrichter/AliRoot.git] / STAT / TKDInterpolator.h

diff --git a/STAT/TKDInterpolator.h b/STAT/TKDInterpolator.h
index d1e73d2185a7572a5d4d7d39146f49dc6b5446b3..b073c7157d58be03472aafe9f46987831825c3ed 100644 (file)
--- a/STAT/TKDInterpolator.h
+++ b/STAT/TKDInterpolator.h
@@ -5,50 +5,117 @@
 #include "TKDTree.h"
 #endif
 
 #include "TKDTree.h"
 #endif
 

+#ifndef ROOT_TVectorD
+#include "TVectorD.h"
+#endif
+#ifndef ROOT_TMatrixD
+#include "TMatrixD.h"
+#endif
+
+// Non parametric interpolation class based on local polinomial regression.
+// The class can be used to approximate PDF together with TKDTree or for
+// general regression when the data points are given.
+
+// template <typename Value> class TVectorT;
+// typedef struct TVectorT<Double_t> TVectorD;
+// template <typename Value> class TMatrixT;
+// typedef class TMatrixT<Double_t> TMatrixD;
+// template <typename Index, typename Value> class TKDTree;
+// typedef class TKDTree<Int_t, Float_t> TKDTreeIF;

 class TTree;
 class TLinearFitter;
 class TKDInterpolator : public TKDTreeIF
 {
 public:
        TKDInterpolator();
 class TTree;
 class TLinearFitter;
 class TKDInterpolator : public TKDTreeIF
 {
 public:
        TKDInterpolator();

-       TKDInterpolator(TTree *t, const Char_t *var, const Char_t *cut = 0, UInt_t bsize = 100);
+       TKDInterpolator(TTree *t, const Char_t *var, const Char_t *cut = 0, UInt_t bsize = 100, Long64_t nentries = 1000000000, Long64_t firstentry = 0);

        TKDInterpolator(Int_t npoints, Int_t ndim, UInt_t bsize, Float_t **data);
        ~TKDInterpolator();
        TKDInterpolator(Int_t npoints, Int_t ndim, UInt_t bsize, Float_t **data);
        ~TKDInterpolator();

-       
-       inline Bool_t   GetEstimate(Int_t node, Float_t *coord, Float_t &val, Float_t &error) const ;
-       Double_t Eval(Float_t *point);
-       void            DrawNodes(Int_t depth = -1, Int_t ax1 = 0, Int_t ax2 = 1);
-       void            DrawNode(Int_t node, Int_t ax1 = 0, Int_t ax2 = 1);

 
 

+               Double_t   Eval(const Double_t *point, Double_t &result, Double_t &error, Bool_t force = kFALSE);
+                                       Float_t    GetAlpha() const {return fAlpha;}
+       inline Bool_t     GetCOGPoint(Int_t node, Float_t *coord, Float_t &val, Float_t &error) const;
+       inline Bool_t     GetDataPoint(Int_t n, Float_t *p) const;
+               TKDTreeIF* GetHelper() {return fKDhelper;}
+               Bool_t     GetInterpolationMethod() const {return fStatus&1;}
+               Int_t      GetNTNodes() const {return fNTNodes;}
+               Bool_t     GetStore() const {return fStatus&2;}
+               Bool_t     GetWeights() const {return fStatus&4;}
+                                       
+                                       void       DrawNodes(UInt_t ax1 = 0, UInt_t ax2 = 1, Int_t depth = -1);
+               void       DrawNode(Int_t tnode, UInt_t ax1 = 0, UInt_t ax2 = 1);
+               void       GetStatus();
+                                       void       SetAlpha(const Float_t a){if(a>0.) fAlpha = a;}
+               void       SetInterpolationMethod(const Bool_t on = kTRUE);
+               void       SetStore(const Bool_t on = kTRUE);
+               void       SetWeights(const Bool_t on = kTRUE);
+       

 private:
        TKDInterpolator(const TKDInterpolator &);
        TKDInterpolator& operator=(const TKDInterpolator &);    
 private:
        TKDInterpolator(const TKDInterpolator &);
        TKDInterpolator& operator=(const TKDInterpolator &);    

-       void            Build();
+               void       Build();
+                                       
+public:
+       class TKDNodeInfo
+       {
+       public:
+               TKDNodeInfo(const Int_t ndim = 0);
+               virtual  ~TKDNodeInfo();
+               void      Build(const Int_t ndim);
+         Double_t  CookPDF(const Double_t *point, Double_t &result, Double_t &error);
+               void      Store(const TVectorD &par, const TMatrixD &cov);

        
        

+               Int_t     fNDim;         // data dimension
+               Float_t   *fRefPoint;    //[fNDim] node's COG
+               Float_t   fRefValue;     // measured value for node 
+               TMatrixD  *fCov;         // interpolator covariance matrix
+               TVectorD  *fPar;         // interpolator parameters
+
+       private:
+               TKDNodeInfo(const TKDNodeInfo &);
+               TKDNodeInfo& operator=(const TKDNodeInfo &);
+               
+               ClassDef(TKDNodeInfo, 1) // node info for interpolator
+       };
+

 protected:
        Int_t     fNTNodes;        //Number of evaluation data points
 protected:
        Int_t     fNTNodes;        //Number of evaluation data points

-       Float_t   **fRefPoints;    //[fNDim][fNTNodes]
-       Float_t   *fRefValues;     //[fNTNodes]
+       TKDNodeInfo *fTNodes;      //[fNTNodes] interpolation node

 
 private:
 
 private:

-       Int_t                   fDepth;        //! depth of the KD Tree structure used
-       Double_t        *fTmpPoint;    //! temporary storage for one data point
-       TKDTreeIF *fKDhelper;    //! kNN finder
-       TLinearFitter *fFitter;  //! linear fitter      
+       UChar_t   fStatus;         // status of the interpolator
+       UChar_t   fLambda;         // number of parameters in polynom
+       Short_t         fDepth;          //! depth of the KD Tree structure used
+       Float_t   fAlpha;          // alpha parameter
+       Float_t   **fRefPoints;    //! temporary storage of COG data
+       Double_t        *fBuffer;        //! working space [2*fLambda]
+       TKDTreeIF *fKDhelper;      //! kNN finder
+       TLinearFitter *fFitter;    //! linear fitter    

 
        ClassDef(TKDInterpolator, 1)   // data interpolator based on KD tree
 };
 
 //__________________________________________________________________
 
        ClassDef(TKDInterpolator, 1)   // data interpolator based on KD tree
 };
 
 //__________________________________________________________________

-Bool_t TKDInterpolator::GetEstimate(Int_t node, Float_t *coord, Float_t &val, Float_t &error) const
+Bool_t TKDInterpolator::GetCOGPoint(Int_t node, Float_t *coord, Float_t &val, Float_t &err) const

 {
 {

-       if(node < 0 || node > GetNTerminalNodes()) return kFALSE;
+       if(node < 0 || node > fNTNodes) return kFALSE;

 
 

-       for(int idim=0; idim<fNDim; idim++) coord[idim] = fRefPoints[idim][node];
-       val   = fRefValues[node];
-       error = fRefValues[node]; // to be implemented
+       for(int idim=0; idim<fNDim; idim++) coord[idim] = fTNodes[node].fRefPoint[idim];
+       val = fTNodes[node].fRefValue;
+       err = fTNodes[node].fRefValue/TMath::Sqrt(fBucketSize);

        return kTRUE;
 }
 
        return kTRUE;
 }
 

+//__________________________________________________________________
+Bool_t TKDInterpolator::GetDataPoint(Int_t n, Float_t *p) const
+{
+       if(n < 0 || n >= fNpoints) return kFALSE;
+       if(!fData) return kFALSE;
+               
+       for(int i=0; i<fNDim; i++) p[i] = fData[i][n];
+       return kTRUE;
+}
+
+

 #endif
 
 #endif