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EvtSecondary.cpp
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EvtSecondary.cpp
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/***********************************************************************
* Copyright 1998-2020 CERN for the benefit of the EvtGen authors *
* *
* This file is part of EvtGen. *
* *
* EvtGen 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 3 of the License, or *
* (at your option) any later version. *
* *
* EvtGen 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 EvtGen. If not, see <https://www.gnu.org/licenses/>. *
***********************************************************************/
#include "EvtGenBase/EvtSecondary.hh"
#include "EvtGenBase/EvtPDL.hh"
#include "EvtGenBase/EvtParticle.hh"
#include "EvtGenBase/EvtPatches.hh"
#include "EvtGenBase/EvtReport.hh"
#include <iostream>
using std::endl;
using std::ostream;
void EvtSecondary::init()
{
_npart = 0;
}
int EvtSecondary::getNPart()
{
return _npart;
}
void EvtSecondary::createSecondary( int stdhepindex, EvtParticle* prnt )
{
_stdhepindex[_npart] = stdhepindex;
if ( prnt->getNDaug() == 0 ) {
_id1[_npart] = 0;
_id2[_npart] = 0;
_id3[_npart] = 0;
_npart++;
return;
}
if ( prnt->getNDaug() == 1 ) {
_id1[_npart] = EvtPDL::getStdHep( prnt->getDaug( 0 )->getId() );
_id2[_npart] = 0;
_id3[_npart] = 0;
_npart++;
return;
}
if ( prnt->getNDaug() == 2 ) {
_id1[_npart] = EvtPDL::getStdHep( prnt->getDaug( 0 )->getId() );
_id2[_npart] = EvtPDL::getStdHep( prnt->getDaug( 1 )->getId() );
_id3[_npart] = 0;
_npart++;
return;
}
if ( prnt->getNDaug() == 3 ) {
_id1[_npart] = EvtPDL::getStdHep( prnt->getDaug( 0 )->getId() );
_id2[_npart] = EvtPDL::getStdHep( prnt->getDaug( 1 )->getId() );
_id3[_npart] = EvtPDL::getStdHep( prnt->getDaug( 2 )->getId() );
_npart++;
return;
}
EvtGenReport( EVTGEN_ERROR, "EvtGen" )
<< "More than 3 decay products in a secondary particle!" << endl;
}
ostream& operator<<( ostream& s, const EvtSecondary& secondary )
{
s << endl;
s << "Secondary decays:" << endl;
int i;
for ( i = 0; i < secondary._npart; i++ ) {
EvtGenReport( EVTGEN_INFO, "EvtGen" )
<< i << " " << secondary._stdhepindex[i] << " " << secondary._id1[i]
<< " " << secondary._id2[i] << " " << secondary._id3[i] << endl;
}
s << endl;
return s;
}

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