1 | #include <stdexcept> |
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2 | #include <iostream> |
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3 | #include <sstream> |
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4 | |
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5 | #include <signal.h> |
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6 | |
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7 | #include "TROOT.h" |
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8 | #include "TApplication.h" |
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9 | |
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10 | #include "TFile.h" |
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11 | #include "TObjArray.h" |
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12 | #include "TStopwatch.h" |
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13 | #include "TDatabasePDG.h" |
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14 | #include "TParticlePDG.h" |
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15 | #include "TLorentzVector.h" |
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16 | |
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17 | #include "modules/Delphes.h" |
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18 | #include "classes/DelphesClasses.h" |
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19 | #include "classes/DelphesFactory.h" |
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20 | #include "classes/DelphesSTDHEPReader.h" |
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21 | |
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22 | #include "ExRootAnalysis/ExRootTreeWriter.h" |
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23 | #include "ExRootAnalysis/ExRootTreeBranch.h" |
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24 | #include "ExRootAnalysis/ExRootProgressBar.h" |
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25 | |
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26 | using namespace std; |
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27 | |
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28 | //--------------------------------------------------------------------------- |
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29 | |
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30 | static bool interrupted = false; |
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31 | |
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32 | void SignalHandler(int sig) |
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33 | { |
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34 | interrupted = true; |
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35 | } |
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36 | |
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37 | //--------------------------------------------------------------------------- |
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38 | |
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39 | int main(int argc, char *argv[]) |
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40 | { |
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41 | char appName[] = "DelphesSTDHEP"; |
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42 | stringstream message; |
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43 | FILE *inputFile = 0; |
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44 | TFile *outputFile = 0; |
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45 | TStopwatch readStopWatch, procStopWatch; |
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46 | ExRootTreeWriter *treeWriter = 0; |
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47 | ExRootTreeBranch *branchEvent = 0; |
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48 | ExRootConfReader *confReader = 0; |
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49 | Delphes *modularDelphes = 0; |
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50 | DelphesFactory *factory = 0; |
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51 | TObjArray *stableParticleOutputArray = 0, *allParticleOutputArray = 0, *partonOutputArray = 0; |
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52 | DelphesSTDHEPReader *reader = 0; |
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53 | Int_t i; |
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54 | Long64_t length, eventCounter; |
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55 | |
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56 | if(argc < 3) |
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57 | { |
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58 | cout << " Usage: " << appName << " config_file" << " output_file" << " [input_file(s)]" << endl; |
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59 | cout << " config_file - configuration file in Tcl format," << endl; |
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60 | cout << " output_file - output file in ROOT format," << endl; |
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61 | cout << " input_file(s) - input file(s) in STDHEP format," << endl; |
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62 | cout << " with no input_file, or when input_file is -, read standard input." << endl; |
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63 | return 1; |
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64 | } |
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65 | |
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66 | signal(SIGINT, SignalHandler); |
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67 | |
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68 | gROOT->SetBatch(); |
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69 | |
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70 | int appargc = 1; |
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71 | char *appargv[] = {appName}; |
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72 | TApplication app(appName, &appargc, appargv); |
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73 | |
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74 | try |
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75 | { |
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76 | outputFile = TFile::Open(argv[2], "CREATE"); |
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77 | |
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78 | if(outputFile == NULL) |
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79 | { |
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80 | message << "can't create output file " << argv[2]; |
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81 | throw runtime_error(message.str()); |
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82 | } |
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83 | |
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84 | treeWriter = new ExRootTreeWriter(outputFile, "Delphes"); |
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85 | |
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86 | branchEvent = treeWriter->NewBranch("Event", LHEFEvent::Class()); |
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87 | |
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88 | confReader = new ExRootConfReader; |
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89 | confReader->ReadFile(argv[1]); |
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90 | |
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91 | modularDelphes = new Delphes("Delphes"); |
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92 | modularDelphes->SetConfReader(confReader); |
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93 | modularDelphes->SetTreeWriter(treeWriter); |
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94 | |
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95 | factory = modularDelphes->GetFactory(); |
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96 | allParticleOutputArray = modularDelphes->ExportArray("allParticles"); |
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97 | stableParticleOutputArray = modularDelphes->ExportArray("stableParticles"); |
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98 | partonOutputArray = modularDelphes->ExportArray("partons"); |
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99 | |
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100 | reader = new DelphesSTDHEPReader; |
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101 | |
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102 | modularDelphes->InitTask(); |
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103 | |
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104 | i = 3; |
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105 | do |
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106 | { |
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107 | if(interrupted) break; |
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108 | |
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109 | if(i == argc || strncmp(argv[i], "-", 2) == 0) |
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110 | { |
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111 | cout << "** Reading standard input" << endl; |
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112 | inputFile = stdin; |
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113 | length = -1; |
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114 | } |
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115 | else |
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116 | { |
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117 | cout << "** Reading " << argv[i] << endl; |
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118 | inputFile = fopen(argv[i], "r"); |
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119 | |
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120 | if(inputFile == NULL) |
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121 | { |
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122 | message << "can't open " << argv[i]; |
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123 | throw runtime_error(message.str()); |
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124 | } |
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125 | |
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126 | fseek(inputFile, 0L, SEEK_END); |
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127 | length = ftello(inputFile); |
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128 | fseek(inputFile, 0L, SEEK_SET); |
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129 | |
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130 | if(length <= 0) |
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131 | { |
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132 | fclose(inputFile); |
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133 | ++i; |
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134 | continue; |
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135 | } |
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136 | } |
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137 | |
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138 | reader->SetInputFile(inputFile); |
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139 | |
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140 | ExRootProgressBar progressBar(length); |
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141 | |
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142 | // Loop over all objects |
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143 | eventCounter = 0; |
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144 | treeWriter->Clear(); |
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145 | modularDelphes->Clear(); |
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146 | reader->Clear(); |
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147 | readStopWatch.Start(); |
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148 | while(reader->ReadBlock(factory, allParticleOutputArray, |
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149 | stableParticleOutputArray, partonOutputArray) && !interrupted) |
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150 | { |
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151 | if(reader->EventReady()) |
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152 | { |
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153 | ++eventCounter; |
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154 | |
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155 | readStopWatch.Stop(); |
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156 | procStopWatch.Start(); |
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157 | modularDelphes->ProcessTask(); |
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158 | procStopWatch.Stop(); |
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159 | |
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160 | reader->AnalyzeEvent(branchEvent, eventCounter, &readStopWatch, &procStopWatch); |
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161 | |
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162 | treeWriter->Fill(); |
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163 | |
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164 | treeWriter->Clear(); |
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165 | modularDelphes->Clear(); |
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166 | reader->Clear(); |
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167 | |
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168 | readStopWatch.Start(); |
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169 | } |
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170 | progressBar.Update(ftello(inputFile), eventCounter); |
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171 | } |
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172 | |
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173 | fseek(inputFile, 0L, SEEK_END); |
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174 | progressBar.Update(ftello(inputFile), eventCounter, kTRUE); |
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175 | progressBar.Finish(); |
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176 | |
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177 | if(inputFile != stdin) fclose(inputFile); |
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178 | |
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179 | ++i; |
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180 | } |
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181 | while(i < argc); |
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182 | |
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183 | modularDelphes->FinishTask(); |
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184 | treeWriter->Write(); |
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185 | |
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186 | cout << "** Exiting..." << endl; |
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187 | |
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188 | delete reader; |
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189 | delete modularDelphes; |
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190 | delete confReader; |
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191 | delete treeWriter; |
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192 | delete outputFile; |
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193 | |
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194 | return 0; |
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195 | } |
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196 | catch(runtime_error &e) |
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197 | { |
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198 | if(treeWriter) delete treeWriter; |
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199 | if(outputFile) delete outputFile; |
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200 | cerr << "** ERROR: " << e.what() << endl; |
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201 | return 1; |
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202 | } |
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203 | } |
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