[1343] | 1 | #include "classes/DelphesTF2.h"
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| 2 | #include "TString.h"
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| 3 | #include <stdexcept>
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| 4 | #include <string>
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| 5 |
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| 6 | using namespace std;
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| 7 |
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| 8 | //------------------------------------------------------------------------------
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| 9 |
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| 10 | DelphesTF2::DelphesTF2() :
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| 11 | TF2()
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| 12 | {
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| 13 | }
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| 14 |
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| 15 | //------------------------------------------------------------------------------
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| 16 |
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| 17 | DelphesTF2::DelphesTF2(const char *name, const char *expression) :
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| 18 | TF2(name,expression)
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| 19 | {
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| 20 | }
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| 21 |
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| 22 | //------------------------------------------------------------------------------
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| 23 |
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| 24 | DelphesTF2::~DelphesTF2()
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| 25 | {
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| 26 | }
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| 27 |
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| 28 | //------------------------------------------------------------------------------
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| 29 | /*
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| 30 | Int_t DelphesTF2::Compile(const char *expression)
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| 31 | {
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| 32 | string buffer;
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| 33 | const char *it;
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| 34 | for(it = expression; *it; ++it)
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| 35 | {
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| 36 | if(*it == ' ' || *it == '\t' || *it == '\r' || *it == '\n' || *it == '\\' ) continue;
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| 37 | buffer.push_back(*it);
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| 38 | }
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| 39 |
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| 40 | TFormula f("",buffer.c_str());
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| 41 | if(f.Compile() != 0)
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| 42 | {
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| 43 | throw runtime_error("Invalid formula.");
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| 44 | }
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| 45 | return 0;
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| 46 | }
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| 47 |
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| 48 | //------------------------------------------------------------------------------
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| 49 |
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| 50 | Double_t DelphesTF2::Eval(Double_t z, Double_t t)
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| 51 | {
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| 52 | Double_t x[2] = {z , t};
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| 53 | return EvalPar(x);
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| 54 | }
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| 55 |
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| 56 | //------------------------------------------------------------------------------
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| 57 |
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| 58 | void DelphesTF2::ReplaceAll(std::string& subject, const std::string& search, const std::string& replace)
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| 59 | {
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| 60 | size_t pos = 0;
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| 61 | while ((pos = subject.find(search, pos)) != std::string::npos)
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| 62 | {
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| 63 | subject.replace(pos, search.length(), replace);
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| 64 | pos += replace.length();
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| 65 | }
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| 66 | }
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| 67 |
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| 68 |
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| 69 | //------------------------------------------------------------------------------
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| 70 |
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| 71 | string DelphesTF2::ChangeVariables(const char *expression)
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| 72 | {
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| 73 | DelphesTF2::Compile(expression);
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| 74 |
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| 75 | string str = string(expression);
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| 76 | ReplaceAll(str,"z","x");
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| 77 | ReplaceAll(str,"t","y");
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| 78 |
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| 79 | return str;
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| 80 | }
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| 81 |
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| 82 | */
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| 83 | //------------------------------------------------------------------------------
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| 84 |
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| 85 | Int_t DelphesTF2::DefinedVariable(TString &chaine, Int_t &action)
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| 86 | {
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| 87 | action = kVariable;
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| 88 | if(chaine == "z")
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| 89 | {
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| 90 | if(fNdim < 1) fNdim = 1;
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| 91 | return 0;
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| 92 | }
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| 93 | else if(chaine == "t")
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| 94 | {
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| 95 | if(fNdim < 2) fNdim = 2;
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| 96 | return 1;
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| 97 | }
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| 98 | return -1;
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| 99 | }
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| 100 |
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| 101 | //------------------------------------------------------------------------------
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