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source: git/classes/DelphesFormula.cc@ 77e9ae1

ImprovedOutputFile Timing llp
Last change on this file since 77e9ae1 was 341014c, checked in by Pavel Demin <pavel-demin@…>, 6 years ago

apply .clang-format to all .h, .cc and .cpp files

  • Property mode set to 100644
File size: 2.3 KB
Line 
1/*
2 * Delphes: a framework for fast simulation of a generic collider experiment
3 * Copyright (C) 2012-2014 Universite catholique de Louvain (UCL), Belgium
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#include "classes/DelphesFormula.h"
20
21#include "TString.h"
22
23#include <stdexcept>
24
25using namespace std;
26
27//------------------------------------------------------------------------------
28
29DelphesFormula::DelphesFormula() :
30 TFormula()
31{
32}
33
34//------------------------------------------------------------------------------
35
36DelphesFormula::DelphesFormula(const char *name, const char *expression) :
37 TFormula()
38{
39}
40
41//------------------------------------------------------------------------------
42
43DelphesFormula::~DelphesFormula()
44{
45}
46
47//------------------------------------------------------------------------------
48
49Int_t DelphesFormula::Compile(const char *expression)
50{
51 TString buffer;
52 const char *it;
53 for(it = expression; *it; ++it)
54 {
55 if(*it == ' ' || *it == '\t' || *it == '\r' || *it == '\n' || *it == '\\') continue;
56 buffer.Append(*it);
57 }
58 buffer.ReplaceAll("pt", "x");
59 buffer.ReplaceAll("eta", "y");
60 buffer.ReplaceAll("phi", "z");
61 buffer.ReplaceAll("energy", "t");
62
63#if ROOT_VERSION_CODE < ROOT_VERSION(6, 0, 0)
64 TFormula::SetMaxima(100000, 1000, 1000000);
65#endif
66
67 if(TFormula::Compile(buffer) != 0)
68 {
69 throw runtime_error("Invalid formula.");
70 }
71 return 0;
72}
73
74//------------------------------------------------------------------------------
75
76Double_t DelphesFormula::Eval(Double_t pt, Double_t eta, Double_t phi, Double_t energy)
77{
78 Double_t x[4] = {pt, eta, phi, energy};
79 return EvalPar(x);
80}
81
82//------------------------------------------------------------------------------
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