1 | #ifndef MARS_MDataPhrase
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2 | #define MARS_MDataPhrase
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3 |
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4 | #ifndef ROOT_TObjArray
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5 | #include <TObjArray.h>
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6 | #endif
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7 |
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8 | #ifndef MARS_MData
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9 | #include "MData.h"
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10 | #endif
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11 |
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12 | #ifndef MARS_MArrayD
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13 | #include "MArrayD.h"
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14 | #endif
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15 |
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16 | class TFormula;
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17 | class MParList;
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18 |
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19 |
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20 | class MDataPhrase : public MData
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21 | {
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22 | private:
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23 | TFormula *fFormula; // TFormula (its a pointer to be able to have no expression)
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24 | TObjArray fMembers; // List of arguments
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25 |
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26 | MArrayD fStorage; //! Temporary storage used in GetValue (only!)
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27 |
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28 | Int_t CheckForVariable(const TString &phrase, Int_t idx);
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29 | Int_t Substitute(TString &phrase, const TString &expr, Int_t idx) const;
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30 | TString Parse(TString phrase);
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31 |
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32 | public:
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33 | MDataPhrase(const char *rule=0, const char *name=0, const char *title=0);
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34 | MDataPhrase(MDataPhrase &ts);
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35 | ~MDataPhrase();
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36 |
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37 | // TObject
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38 | void Clear(Option_t *o="");
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39 |
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40 | // MParContainer
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41 | Bool_t IsReadyToSave() const;
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42 | void SetVariables(const TArrayD &arr);
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43 | Int_t ReadEnv(const TEnv &env, TString prefix, Bool_t print=kFALSE);
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44 |
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45 | // MData
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46 | Bool_t IsValid() const;
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47 | Bool_t HasValidRule() const { return fFormula ? kTRUE : kFALSE; }
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48 | Double_t GetValue() const { return Eval((Double_t*)NULL); }
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49 | Double_t Eval(const Double_t *x) const;
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50 | Double_t Eval(Double_t x, Double_t y=0, Double_t z=0, Double_t t=0) const
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51 | {
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52 | const Double_t xx[4] = { x, y, z, t };
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53 | return Eval(xx);
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54 | }
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55 | TString GetRule() const;
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56 | TString GetRuleRaw() const;
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57 | Bool_t PreProcess(const MParList *plist);
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58 | // void Print(Option_t *opt = "") const;
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59 | // TString GetDataMember() const;
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60 |
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61 | // MDataPhrase
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62 | Bool_t GetBool() const { return TMath::Nint(GetValue())!=0; }
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63 | Bool_t SetRule(const TString &phrase);
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64 |
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65 | ClassDef(MDataPhrase, 1) // MDataPhrase is basically a mapper for TFormula supporting Mars features
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66 | };
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67 |
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68 | #endif
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