AliCheb3D(const char* funName, Int_t DimOut, Float_t *bmin,Float_t *bmax, Int_t *npoints, Float_t prec=1E-6);
AliCheb3D(void (*ptr)(float*,float*), Int_t DimOut, Float_t *bmin,Float_t *bmax, Int_t *npoints, Float_t prec=1E-6);
AliCheb3D(void (*ptr)(float*,float*), int DimOut, Float_t *bmin,Float_t *bmax, Int_t *npX,Int_t *npY,Int_t *npZ, Float_t prec=1E-6);
- AliCheb3D(void (*ptr)(float*,float*), int DimOut, Float_t *bmin,Float_t *bmax, Float_t prec=1E-6);
+ AliCheb3D(void (*ptr)(float*,float*), int DimOut, Float_t *bmin,Float_t *bmax, Float_t prec=1E-6, Bool_t run=kTRUE);
#endif
//
~AliCheb3D() {Clear();}
//
AliCheb3D& operator=(const AliCheb3D& rhs);
- template <class T>
- void Eval(const T *par, T *res);
- template <class T>
- T Eval(const T *par,int idim);
+ void Eval(const Float_t *par, Float_t *res);
+ Float_t Eval(const Float_t *par,int idim);
+ void Eval(const Double_t *par, Double_t *res);
+ Double_t Eval(const Double_t *par,int idim);
//
void EvalDeriv(int dimd, const Float_t *par, Float_t *res);
void EvalDeriv2(int dimd1, int dimd2, const Float_t *par,Float_t *res);
void EvalDeriv3D(const Float_t *par, Float_t dbdr[3][3]);
void EvalDeriv3D2(const Float_t *par, Float_t dbdrdr[3][3][3]);
void Print(const Option_t* opt="") const;
- template <class T>
- Bool_t IsInside(const T *par) const;
+ Bool_t IsInside(const Float_t *par) const;
+ Bool_t IsInside(const Double_t *par) const;
//
AliCheb3DCalc* GetChebCalc(int i) const {return (AliCheb3DCalc*)fChebCalc.UncheckedAt(i);}
Float_t GetBoundMin(int i) const {return fBMin[i];}
void LoadData(FILE* stream);
//
#ifdef _INC_CREATION_ALICHEB3D_
- int* GetNCNeeded(float xyz[3],int DimVar, float mn,float mx, float prec);
- void EstimateNPoints(float Prec, int gridBC[3][3]);
+ int* GetNCNeeded(float xyz[3],int DimVar, float mn,float mx, float prec, Int_t npCheck=30);
+ void EstimateNPoints(float Prec, int gridBC[3][3],Int_t npd1=30,Int_t npd2=30,Int_t npd3=30);
void SaveData(const char* outfile,Bool_t append=kFALSE) const;
void SaveData(FILE* stream=stdout) const;
//
void SetUsrFunction(const char* name);
void SetUsrFunction(void (*ptr)(float*,float*));
- void EvalUsrFunction(const Float_t *x, const Float_t *res);
+ void EvalUsrFunction(const Float_t *x, Float_t *res);
TH1* TestRMS(int idim,int npoints = 1000,TH1* histo=0);
static Int_t CalcChebCoefs(const Float_t *funval,int np, Float_t *outCoefs, Float_t prec=-1);
#endif
void DefineGrid(Int_t* npoints);
Int_t ChebFit(); // fit all output dimensions
Int_t ChebFit(int dmOut);
+ void SetPrecision(float prec) {fPrec = prec;}
#endif
//
- template <class T>
- T MapToInternal(T x,Int_t d) const; // map x to [-1:1]
- template <class T>
- T MapToExternal(T x,Int_t d) const {return x/fBScale[d]+fBOffset[d];} // map from [-1:1] to x
+ Float_t MapToInternal(Float_t x,Int_t d) const; // map x to [-1:1]
+ Float_t MapToExternal(Float_t x,Int_t d) const {return x/fBScale[d]+fBOffset[d];} // map from [-1:1] to x
+ Double_t MapToInternal(Double_t x,Int_t d) const; // map x to [-1:1]
+ Double_t MapToExternal(Double_t x,Int_t d) const {return x/fBScale[d]+fBOffset[d];} // map from [-1:1] to x
//
protected:
Int_t fDimOut; // dimension of the ouput array
Int_t fMaxCoefs; //! max possible number of coefs per parameterization
Int_t fNPoints[3]; //! number of used points in each dimension
Float_t fArgsTmp[3]; //! temporary vector for coefs caluclation
- Float_t fBuff[6]; //! buffer for coordinate transformations
Float_t * fResTmp; //! temporary vector for results of user function caluclation
Float_t * fGrid; //! temporary buffer for Chebyshef roots grid
Int_t fGridOffs[3]; //! start of grid for each dimension
TString fUsrFunName; //! name of user macro containing the function of "void (*fcn)(float*,float*)" format
TMethodCall* fUsrMacro; //! Pointer to MethodCall for function from user macro
//
- ClassDef(AliCheb3D,1) // Chebyshev parametrization for 3D->N function
+ ClassDef(AliCheb3D,2) // Chebyshev parametrization for 3D->N function
};
//__________________________________________________________________________________________
-template <class T>
-inline Bool_t AliCheb3D::IsInside(const T *par) const
+inline Bool_t AliCheb3D::IsInside(const Float_t *par) const
{
// check if the point is inside of the fitted box
- const float kTol = 1.e-4;
- for (int i=3;i--;) if (fBMin[i]-par[i]>kTol || par[i]-fBMax[i]>kTol) return kFALSE;
- //if(par[i]<fBMin[i]||par[i]>fBMax[i]) return kFALSE;
+ for (int i=3;i--;) if (fBMin[i]>par[i] || par[i]>fBMax[i]) return kFALSE;
return kTRUE;
}
//__________________________________________________________________________________________
-template <class T>
-inline void AliCheb3D::Eval(const T *par, T *res)
+inline Bool_t AliCheb3D::IsInside(const Double_t *par) const
+{
+ // check if the point is inside of the fitted box
+ for (int i=3;i--;) if (fBMin[i]>par[i] || par[i]>fBMax[i]) return kFALSE;
+ return kTRUE;
+}
+
+//__________________________________________________________________________________________
+inline void AliCheb3D::Eval(const Float_t *par, Float_t *res)
{
// evaluate Chebyshev parameterization for 3d->DimOut function
for (int i=3;i--;) fArgsTmp[i] = MapToInternal(par[i],i);
for (int i=fDimOut;i--;) res[i] = GetChebCalc(i)->Eval(fArgsTmp);
//
}
+//__________________________________________________________________________________________
+inline void AliCheb3D::Eval(const Double_t *par, Double_t *res)
+{
+ // evaluate Chebyshev parameterization for 3d->DimOut function
+ for (int i=3;i--;) fArgsTmp[i] = MapToInternal(par[i],i);
+ for (int i=fDimOut;i--;) res[i] = GetChebCalc(i)->Eval(fArgsTmp);
+ //
+}
+
+//__________________________________________________________________________________________
+inline Double_t AliCheb3D::Eval(const Double_t *par, int idim)
+{
+ // evaluate Chebyshev parameterization for idim-th output dimension of 3d->DimOut function
+ for (int i=3;i--;) fArgsTmp[i] = MapToInternal(par[i],i);
+ return GetChebCalc(idim)->Eval(fArgsTmp);
+ //
+}
//__________________________________________________________________________________________
-template <class T>
-inline T AliCheb3D::Eval(const T *par, int idim)
+inline Float_t AliCheb3D::Eval(const Float_t *par, int idim)
{
// evaluate Chebyshev parameterization for idim-th output dimension of 3d->DimOut function
for (int i=3;i--;) fArgsTmp[i] = MapToInternal(par[i],i);
}
//__________________________________________________________________________________________
-template <class T>
-inline T AliCheb3D::MapToInternal(T x,Int_t d) const
+inline Float_t AliCheb3D::MapToInternal(Float_t x,Int_t d) const
+{
+ // map x to [-1:1]
+#ifdef _BRING_TO_BOUNDARY_
+ T res = (x-fBOffset[d])*fBScale[d];
+ if (res<-1) return -1;
+ if (res> 1) return 1;
+ return res;
+#else
+ return (x-fBOffset[d])*fBScale[d];
+#endif
+}
+
+//__________________________________________________________________________________________
+inline Double_t AliCheb3D::MapToInternal(Double_t x,Int_t d) const
{
// map x to [-1:1]
#ifdef _BRING_TO_BOUNDARY_
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