Line | |
---|
1 | |
---|
2 | #include "classes/DelphesFormula.h" |
---|
3 | |
---|
4 | #include "TString.h" |
---|
5 | |
---|
6 | #include <stdexcept> |
---|
7 | #include <string> |
---|
8 | |
---|
9 | using namespace std; |
---|
10 | |
---|
11 | //------------------------------------------------------------------------------ |
---|
12 | |
---|
13 | DelphesFormula::DelphesFormula() : |
---|
14 | TFormula() |
---|
15 | { |
---|
16 | } |
---|
17 | |
---|
18 | //------------------------------------------------------------------------------ |
---|
19 | |
---|
20 | DelphesFormula::DelphesFormula(const char *name, const char *expression) : |
---|
21 | TFormula() |
---|
22 | { |
---|
23 | } |
---|
24 | |
---|
25 | //------------------------------------------------------------------------------ |
---|
26 | |
---|
27 | DelphesFormula::~DelphesFormula() |
---|
28 | { |
---|
29 | } |
---|
30 | |
---|
31 | //------------------------------------------------------------------------------ |
---|
32 | |
---|
33 | Int_t DelphesFormula::Compile(const char *expression) |
---|
34 | { |
---|
35 | string buffer; |
---|
36 | const char *it; |
---|
37 | for(it = expression; *it; ++it) |
---|
38 | { |
---|
39 | if(*it == ' ' || *it == '\t' || *it == '\r' || *it == '\n' || *it == '\\' ) continue; |
---|
40 | buffer.push_back(*it); |
---|
41 | } |
---|
42 | if(TFormula::Compile(buffer.c_str()) != 0) |
---|
43 | { |
---|
44 | throw runtime_error("Invalid formula."); |
---|
45 | } |
---|
46 | return 0; |
---|
47 | } |
---|
48 | |
---|
49 | //------------------------------------------------------------------------------ |
---|
50 | |
---|
51 | Double_t DelphesFormula::Eval(Double_t pt, Double_t eta, Double_t phi, Double_t energy) |
---|
52 | { |
---|
53 | Double_t x[4] = {pt, eta, phi, energy}; |
---|
54 | return EvalPar(x); |
---|
55 | } |
---|
56 | |
---|
57 | //------------------------------------------------------------------------------ |
---|
58 | |
---|
59 | Int_t DelphesFormula::DefinedVariable(TString &chaine, Int_t &action) |
---|
60 | { |
---|
61 | action = kVariable; |
---|
62 | if(chaine == "pt") |
---|
63 | { |
---|
64 | if(fNdim < 1) fNdim = 1; |
---|
65 | return 0; |
---|
66 | } |
---|
67 | else if(chaine == "eta") |
---|
68 | { |
---|
69 | if(fNdim < 2) fNdim = 2; |
---|
70 | return 1; |
---|
71 | } |
---|
72 | else if(chaine == "phi") |
---|
73 | { |
---|
74 | if(fNdim < 3) fNdim = 3; |
---|
75 | return 2; |
---|
76 | } |
---|
77 | else if(chaine == "energy") |
---|
78 | { |
---|
79 | if(fNdim < 4) fNdim = 4; |
---|
80 | return 3; |
---|
81 | } |
---|
82 | return -1; |
---|
83 | } |
---|
84 | |
---|
85 | //------------------------------------------------------------------------------ |
---|
Note: See
TracBrowser
for help on using the repository browser.