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source: git/classes/DelphesTF2.cc

Last change on this file was 1e48d63, checked in by Andre Sailer <andre.philippe.sailer@…>, 4 years ago

DelphesTF2: TF2 changes were backported to root 6.22.08

  • Property mode set to 100644
File size: 2.2 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/DelphesTF2.h"
20
21#include "RVersion.h"
22#include "TString.h"
23
24#include <stdexcept>
25
26using namespace std;
27
28//------------------------------------------------------------------------------
29
30DelphesTF2::DelphesTF2() :
31 TF2()
32{
33
34#if ROOT_VERSION_CODE >= ROOT_VERSION(6, 22, 7)
35 fFormula = std::unique_ptr<TFormula>(new TFormula());
36#elif ROOT_VERSION_CODE >= ROOT_VERSION(6, 3, 0)
37 fFormula = new TFormula();
38#endif
39}
40
41//------------------------------------------------------------------------------
42
43DelphesTF2::DelphesTF2(const char *name, const char *expression) :
44 TF2(name, expression)
45{
46}
47
48//------------------------------------------------------------------------------
49
50DelphesTF2::~DelphesTF2()
51{
52}
53
54//------------------------------------------------------------------------------
55
56Int_t DelphesTF2::Compile(const char *expression)
57{
58 TString buffer;
59 const char *it;
60 for(it = expression; *it; ++it)
61 {
62 if(*it == ' ' || *it == '\t' || *it == '\r' || *it == '\n' || *it == '\\') continue;
63 buffer.Append(*it);
64 }
65 buffer.ReplaceAll("z", "x");
66 buffer.ReplaceAll("t", "y");
67#if ROOT_VERSION_CODE < ROOT_VERSION(6, 3, 0)
68 if(TF2::Compile(buffer) != 0)
69#else
70 if(fFormula->Compile(buffer) != 0)
71#endif
72 {
73 throw runtime_error("Invalid formula.");
74 }
75 return 0;
76}
77
78//------------------------------------------------------------------------------
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