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1 | #ifndef ALIITSSTATISTICS2_H |
| 2 | #define ALIITSSTATISTICS2_H |
| 3 | ////////////////////////////////////////////////////////////////////////// |
| 4 | // Alice ITS first detector alignment program. // |
| 5 | // // |
| 6 | // version: 0.0.0 Draft. // |
| 7 | // Date: April 18 1999 // |
| 8 | // By: Bjorn S. Nilsen // |
| 9 | // // |
| 10 | ////////////////////////////////////////////////////////////////////////// |
| 11 | #include "TObject.h" |
| 12 | |
| 13 | class AliITSstatistics2 : public TObject { |
| 14 | // |
| 15 | |
| 16 | public: |
| 17 | AliITSstatistics2(); |
| 18 | AliITSstatistics2(Int_t order); |
| 19 | AliITSstatistics2(AliITSstatistics2 &source); // copy constructor |
| 20 | AliITSstatistics2& operator=(AliITSstatistics2 &source); // operator= |
| 21 | virtual ~AliITSstatistics2(); |
| 22 | void Reset(); |
| 23 | void AddValue(Double_t y,Double_t x,Double_t w); |
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24 | void AddValue(Double_t y,Double_t x){ |
| 25 | // default weight |
| 26 | AddValue(y,x,1.0); |
| 27 | } |
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28 | void AddValue(Float_t y,Float_t x,Float_t w){ |
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29 | // Floating point version |
| 30 | AddValue((Double_t)y,(Double_t)x,(Double_t)w); |
| 31 | } |
| 32 | void AddValue(Float_t y,Float_t x){ |
| 33 | // default weight F. |
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34 | AddValue((Double_t)y,(Double_t)x,(Double_t)1.0); |
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35 | } |
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36 | Double_t GetXNth (Int_t order); |
| 37 | Double_t GetYNth (Int_t order); |
| 38 | Double_t GetYXNth(Int_t order); |
| 39 | Double_t GetMeanY() { |
| 40 | // return mean y |
| 41 | return GetYNth(1); |
| 42 | }; |
| 43 | Double_t GetMeanX() { |
| 44 | // return mean x |
| 45 | return GetXNth(1); |
| 46 | }; |
| 47 | Double_t GetMeanYX() { |
| 48 | // return mean Y*X |
| 49 | return GetYXNth(1); |
| 50 | }; |
| 51 | Int_t GetN(){ |
| 52 | // retrun the number of entries |
| 53 | return fN; |
| 54 | }; |
| 55 | Int_t GetOrder(){ |
| 56 | // return the maximum moment order |
| 57 | return fOrder; |
| 58 | }; |
| 59 | Double_t GetXN (Int_t order){ |
| 60 | // returns x^n |
| 61 | return fx[order-1]; |
| 62 | }; |
| 63 | Double_t GetYN (Int_t order){ |
| 64 | // returns y^n |
| 65 | return fy[order-1]; |
| 66 | }; |
| 67 | Double_t GetYXN(Int_t order){ |
| 68 | // returns (yx)^n |
| 69 | return fyx[order-1]; |
| 70 | }; |
| 71 | Double_t GetWN (Int_t order){ |
| 72 | // returns w^n (weight) |
| 73 | return fw[order-1]; |
| 74 | }; |
| 75 | Double_t GetRMSY(); |
| 76 | Double_t GetRMSX(); |
| 77 | Double_t GetRMSYX(); |
| 78 | Double_t GetErrorMeanY(); |
| 79 | Double_t GetErrorMeanX(); |
| 80 | Double_t GetErrorMeanYX(); |
| 81 | Double_t GetErrorRMSY(); |
| 82 | Double_t GetErrorRMSX(); |
| 83 | Double_t GetErrorRMSYX(); |
| 84 | Double_t FitToLine(Double_t &a,Double_t &b); |
| 85 | |
| 86 | private: |
| 87 | Double_t *fx; // array of sums of x^n |
| 88 | Double_t *fyx; // array of sums of (xy)^n |
| 89 | Double_t *fy; // array of sums of y^n |
| 90 | Double_t *fw; // array of sums of w^n (weights) |
| 91 | Int_t fN; // number of enetries |
| 92 | Int_t fOrder; // maximum moment of distributions (^n) |
| 93 | |
| 94 | |
| 95 | ClassDef(AliITSstatistics2,1) // |
| 96 | }; |
| 97 | #endif |
git://git.uio.no / u / mrichter / AliRoot.git / blame