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test_classify.cc
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test_classify.cc
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/**
* \authors The HEJ collaboration (see AUTHORS for details)
* \date 2019
* \copyright GPLv2 or later
*/
#include <random>
#include <algorithm>
#include "LHEF/LHEF.h"
#include "HEJ/stream.hh"
#include "HEJ/event_types.hh"
#include "HEJ/Event.hh"
namespace{
constexpr double min_jet_pt = 30.;
const fastjet::JetDefinition jet_def{fastjet::kt_algorithm, 0.4};
using namespace HEJ::event_type;
static const std::vector<EventType> results{
unob,FKL,FKL,FKL,FKL,FKL,FKL,unob,FKL,unob,FKL,FKL,FKL,unof,FKL,unob,FKL,
FKL,unob,unob,FKL,FKL,unob,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,unof,
FKL,FKL,unof,FKL,FKL,FKL,FKL,FKL,unof,FKL,FKL,FKL,unof,FKL,FKL,unob,unof,
FKL,unof,FKL,unob,FKL,FKL,unob,FKL,unob,unof,unob,unof,FKL,FKL,FKL,FKL,FKL,
FKL,FKL,FKL,FKL,FKL,FKL,FKL,unob,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,unob,FKL,
FKL,FKL,FKL,unof,FKL,unob,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,unob,FKL,
FKL,FKL,FKL,FKL,unob,FKL,unob,unob,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,FKL,unof,unob,FKL
};
void shuffle_particles(HEJ::Event::EventData & ev) {
static std::mt19937_64 ran{0};
std::shuffle(begin(ev.incoming), end(ev.incoming), ran);
std::shuffle(begin(ev.outgoing), end(ev.outgoing), ran);
}
}
int main(int argn, char** argv) {
if(argn != 2){
std::cerr << "Usage: test_classify eventfile";
return EXIT_FAILURE;
}
HEJ::istream in{argv[1]};
LHEF::Reader reader{in};
LHEF::Writer writer{std::cerr};
writer.heprup = reader.heprup;
for(auto const & expected: results){
reader.readEvent();
HEJ::Event::EventData data{reader.hepeup};
shuffle_particles(data);
const HEJ::Event ev{
data.cluster(
jet_def, min_jet_pt
)
};
if(ev.type() != expected){
using HEJ::event_type::names;
writer.hepeup = reader.hepeup;
std::cerr << "wrong classification of event:\n";
writer.writeEvent();
std::cerr << "classified as " << names[ev.type()]
<< ", is " << names[expected] << '\n';
return EXIT_FAILURE;
}
}
}

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