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HEPEvtcom.cc
Go to the documentation of this file.
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// ********************************************************************
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//
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//
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// $Id: HEPEvtcom.cc 73446 2013-08-27 11:32:59Z gcosmo $
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//
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// ======================================================================
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// PARAMETER (NMXHEP=4000)
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// COMMON/HEPEVT/NEVHEP,NHEP,ISTHEP(NMXHEP),IDHEP(NMXHEP),
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// & JMOHEP(2,NMXHEP),JDAHEP(2,NMXHEP),PHEP(5,NMXHEP),VHEP(4,NMXHEP)
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// ======================================================================
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//
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// This interface to HEPEVT common block treats the block as
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// an array of bytes --- the precision and number of entries
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// is determined "on the fly" by the wrapper and used to decode
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// each entry.
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//
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// HEPEVT_EntriesAllocation is the maximum size of the HEPEVT common block
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// that can be interfaced. It is NOT the actual size of the HEPEVT common
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// used in each individual application. The actual size can be changed on
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// the fly using HepMC::HEPEVT_Wrapper::set_max_number_entries().
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// Thus HEPEVT_EntriesAllocation should typically be set
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// to the maximum possible number of entries --- 10000 is a good choice
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// (and is the number used by ATLAS versions of Pythia).
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#include <ctype.h>
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enum
{
HEPEVT_EntriesAllocation
=4000};
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const
unsigned
int
hepevt_bytes_allocation
=
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sizeof
(
long
int) * ( 2 + 4 *
HEPEVT_EntriesAllocation
)
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+
sizeof
(double) * ( 9 *
HEPEVT_EntriesAllocation
);
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extern
"C"
struct
hepevt
{
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char
data
[
hepevt_bytes_allocation
];
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};
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hepevt
hepevt_
;
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HEPEVT_EntriesAllocation
Definition:
HEPEvtcom.cc:77
hepevt::data
char data[hepevt_bytes_allocation]
Definition:
HEPEvtcom.cc:84
hepevt_bytes_allocation
const unsigned int hepevt_bytes_allocation
Definition:
HEPEvtcom.cc:79
hepevt
Definition:
HEPEvtcom.cc:83
hepevt_
hepevt hepevt_
Definition:
HEPEvtcom.cc:87
geant4.10.01.p02
examples
extended
eventgenerator
HepMC
HepMCEx01
src
HEPEvtcom.cc
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