/usr/share/siscone/examples/main.cpp is in siscone-examples 2.0.6-1.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// File: main.cpp //
// Description: main program that runs siscone from the command line //
// This file is part of the SISCone project. //
// For more details, see http://projects.hepforge.org/siscone //
// //
// Copyright (c) 2006 Gavin Salam and Gregory Soyez //
// //
// This program is free software; you can redistribute it and/or modify //
// it under the terms of the GNU General Public License as published by //
// the Free Software Foundation; either version 2 of the License, or //
// (at your option) any later version. //
// //
// This program is distributed in the hope that it will be useful, //
// but WITHOUT ANY WARRANTY; without even the implied warranty of //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
// GNU General Public License for more details. //
// //
// You should have received a copy of the GNU General Public License //
// along with this program; if not, write to the Free Software //
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA //
// //
// $Revision:: 320 $//
// $Date:: 2011-11-15 09:54:50 +0100 (Tue, 15 Nov 2011) $//
///////////////////////////////////////////////////////////////////////////////
#include <stdio.h>
#include <iostream>
#include <cstdlib>
#include "siscone/momentum.h"
#include "siscone/siscone.h"
#include "options.h"
using namespace std;
using namespace siscone;
int main(int argc, char *argv[]){
vector<Cmomentum> particles;
Csiscone siscone;
int i,N;
double px,py,pz,E;
Coptions opts;
char fline[512];
if (opts.parse_options(argc, argv))
exit(1);
// deal with help message
if (opts.help_flag){
opts.print_help();
exit(0);
}
// deal with version flag
if (opts.version_flag){
opts.print_version();
exit(0);
}
// various files used to read input data and store results
FILE *flux;
FILE *fpart;
// read particles
if (opts.verbose_flag) cout << "reading particles" << endl;
flux = fopen(opts.ev_name, "r");
if (flux==NULL){
cerr << "cannot read event '" << opts.ev_name << "'" << endl;
cerr << "specify the event to read using the -e option" << endl;
return 1;
}
N=0;
fpart = fopen("particles.dat", "w+");
while ((opts.N_stop!=0) && (fgets(fline, 512, flux)!=NULL)){
if (fline[0]!='#'){ // skip lines beginning with '#'
if (sscanf(fline, "%le%le%le%le", &px, &py, &pz, &E)==4){
particles.push_back(Cmomentum(px, py, pz, E));
fprintf(fpart, "%e\t%e\n", particles[N].eta, particles[N].phi);
N++;
opts.N_stop--;
} else {
cout << "error in reading event file Giving up." << endl;
fclose(flux);
fclose(fpart);
exit(2);
}
}
}
fclose(flux);
fclose(fpart);
if (opts.verbose_flag)
cout << " working with " << N << " particles" << endl;
// compute jets
if (opts.verbose_flag) cout << "computing jet contents" << endl;
i=siscone.compute_jets(particles, opts.R, opts.f, opts.npass, opts.ptmin, opts.SM_var);
if (opts.verbose_flag){
unsigned int pass;
for (pass=0;pass<siscone.protocones_list.size();pass++)
cout << " pass " << pass << " found " << siscone.protocones_list[pass].size()
<< " stable cones" << endl;
cout << " Final result: " << i << " jets found" << endl;
}
// save jets
if (opts.verbose_flag)
cout << "saving result" << endl;
flux = fopen("jets.dat", "w+");
siscone.save_contents(flux);
fclose(flux);
if (opts.verbose_flag)
cout << "bye..." << endl;
return 0;
}
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