#ifndef ROOT_TKDPDF
#define ROOT_TKDPDF
#ifndef ROOT_TKDInterpolatorBase
#include "TKDInterpolatorBase.h"
#endif
#ifndef ROOT_TKDTree
#include "TKDTree.h"
#endif
template <typename Index, typename Value> class TKDTree;
typedef class TKDTree<Int_t, Float_t> TKDTreeIF;
class TTree;
class TLinearFitter;
class TKDPDF : public TKDTreeIF, public TKDInterpolatorBase
{
public:
TKDPDF();
TKDPDF(TTree *t, const Char_t *var, const Char_t *cut = 0, UInt_t bsize = 100, Long64_t nentries = 1000000000, Long64_t firstentry = 0);
TKDPDF(Int_t npoints, Int_t ndim, UInt_t bsize, Float_t **data);
~TKDPDF();
inline Bool_t GetDataPoint(Int_t n, Float_t *p) const;
inline Int_t GetNodeIndex(const Float_t *p);
void DrawNode(Int_t tnode, UInt_t ax1=0, UInt_t ax2=1);
private:
TKDPDF(const TKDPDF &);
TKDPDF& operator=(const TKDPDF &);
Bool_t Build(Int_t ndim = 0);
ClassDef(TKDPDF, 1)
};
Bool_t TKDPDF::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;
}
Int_t TKDPDF::GetNodeIndex(const Float_t *p)
{
return FindNode(p) - fNNodes;
}
#endif