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source: git/classes/DelphesFormula.cc @ 3b5d79a

ImprovedOutputFileTimingllp
Last change on this file since 3b5d79a was 3b5d79a, checked in by Pavel Demin <pavel-demin@…>, 19 months ago

fix ROOT version in DelphesFormula?.cc and DelphesTF2.cc

  • Property mode set to 100644
File size: 2.5 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  buffer.ReplaceAll("d0", "[0]");
63  buffer.ReplaceAll("dz", "[1]");
64  buffer.ReplaceAll("ctgTheta", "[2]");
65
66#if ROOT_VERSION_CODE < ROOT_VERSION(6, 3, 0)
67  TFormula::SetMaxima(100000, 1000, 1000000);
68#endif
69
70  if(TFormula::Compile(buffer) != 0)
71  {
72    throw runtime_error("Invalid formula.");
73  }
74  return 0;
75}
76
77//------------------------------------------------------------------------------
78
79Double_t DelphesFormula::Eval(Double_t pt, Double_t eta, Double_t phi,
80  Double_t energy, Double_t d0, Double_t dz,
81  Double_t ctgTheta)
82{
83  Double_t x[4] = {pt, eta, phi, energy};
84  Double_t params[3] = {d0, dz, ctgTheta};
85  return EvalPar(x, params);
86}
87
88//------------------------------------------------------------------------------
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