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New file
/branches/HEPMC_02_04_branch/test/testFlow.sh.in
@@ -0,0 +1,35 @@
#! /bin/bash
# @configure_input@
 
rm -f testFlow.out
./testFlow@EXEEXT@
 
if [ "$?" -ne 0 ]
then
exit 1;
fi
 
if [ ! -e testFlow.out ]
then
echo "ERROR: testFlow.out does not exist"
exit 1;
fi
 
OS=`uname`
case "$OS" in
CYGWIN*)
cmd1=`sed 's/e+0/e+/g' testFlow.out | \
sed 's/e-0/e-/g' - | \
@DIFF_Q@ - @srcdir@/testFlow.output`
;;
*)
cmd1=`@DIFF_Q@ testFlow.out @srcdir@/testFlow.output`
esac
 
if [ -n "$cmd1" ]
then
echo $cmd1
exit 1;
fi
 
exit 0;
/branches/HEPMC_02_04_branch/test/list_of_examples.cc
@@ -39,5 +39,8 @@
/// Make sure set and change methods work as expected.
/// \example testUnits.cc
 
/// Use a modified example_BuildEventFromScratch to test Flow
/// \example testFlow.cc
 
 
// This file is used by Doxygen when generating the documentation.
New file
/branches/HEPMC_02_04_branch/test/testFlow.cc
@@ -0,0 +1,191 @@
//////////////////////////////////////////////////////////////////////////
// testFlow.cc
//
// garren@fnal.gov, June 2009
// based on example_BuildEventFromScratch.cc
//////////////////////////////////////////////////////////////////////////
 
#include <iostream>
#include <fstream>
#include <vector>
 
#include "HepMC/GenEvent.h"
#include "HepMC/IO_GenEvent.h"
 
typedef std::vector<HepMC::GenParticle*> FlowVec;
 
int main() {
//
// In this example we will place the following event into HepMC "by hand"
//
// name status pdg_id parent Px Py Pz Energy Mass
// 1 !p+! 3 2212 0,0 0.000 0.000 7000.000 7000.000 0.938
// 2 !p+! 3 2212 0,0 0.000 0.000-7000.000 7000.000 0.938
//=========================================================================
// 3 !d! 3 1 1,1 0.750 -1.569 32.191 32.238 0.000
// 4 !u~! 3 -2 2,2 -3.047 -19.000 -54.629 57.920 0.000
// 5 !W-! 3 -24 1,2 1.517 -20.68 -20.605 85.925 80.799
// 6 !gamma! 1 22 1,2 -3.813 0.113 -1.833 4.233 0.000
// 7 !d! 1 1 5,5 -2.445 28.816 6.082 29.552 0.010
// 8 !u~! 1 -2 5,5 3.962 -49.498 -26.687 56.373 0.006
 
// open an output file
const char outfile[] = "testFlow.out";
std::ofstream os( outfile );
if( !os ) {
std::cerr << "cannot open " << outfile << std::endl;
exit(-1);
}
// declare several IO_GenEvent instances for comparison
HepMC::IO_GenEvent xout1("testFlow.out1",std::ios::out);
HepMC::IO_GenEvent xout2("testFlow.out2",std::ios::out);
HepMC::IO_GenEvent xout3("testFlow.out3",std::ios::out);
int numbad = 0;
 
 
// build the graph, which will look like
// p7 #
// p1 / #
// \v1__p3 p5---v4 #
// \_v3_/ \ #
// / \ p8 #
// v2__p4 \ #
// / p6 #
// p2 #
//
// define a flow pattern as p1 -> p3 -> p6
// and p2 -> p4 -> p5
//
 
// First create the event container, with Signal Process 20, event number 1
//
HepMC::GenEvent* evt = new HepMC::GenEvent( 20, 1 );
//
// create vertex 1 and vertex 2, together with their inparticles
HepMC::GenVertex* v1 = new HepMC::GenVertex();
evt->add_vertex( v1 );
HepMC::GenParticle* p1 = new HepMC::GenParticle( HepMC::FourVector(0,0,7000,7000),
2212, 3 );
p1->set_flow(1,231);
v1->add_particle_in( p1 );
HepMC::GenVertex* v2 = new HepMC::GenVertex();
evt->add_vertex( v2 );
HepMC::GenParticle* p2 = new HepMC::GenParticle( HepMC::FourVector(0,0,-7000,7000),
2212, 3 );
p2->set_flow(1,243);
v2->add_particle_in( p2 );
//
// create the outgoing particles of v1 and v2
HepMC::GenParticle* p3 =
new HepMC::GenParticle( HepMC::FourVector(.750,-1.569,32.191,32.238),
1, 3 );
p3->set_flow(1,231);
v1->add_particle_out( p3 );
HepMC::GenParticle* p4 =
new HepMC::GenParticle( HepMC::FourVector(-3.047,-19.,-54.629,57.920),
-2, 3 );
p4->set_flow(1,243);
v2->add_particle_out( p4 );
//
// create v3
HepMC::GenVertex* v3 = new HepMC::GenVertex();
evt->add_vertex( v3 );
v3->add_particle_in( p3 );
v3->add_particle_in( p4 );
HepMC::GenParticle* p6 =
new HepMC::GenParticle( HepMC::FourVector(-3.813,0.113,-1.833,4.233 ),
22, 1 );
p6->set_flow(1,231);
v3->add_particle_out( p6 );
HepMC::GenParticle* p5 =
new HepMC::GenParticle( HepMC::FourVector(1.517,-20.68,-20.605,85.925),
-24, 3 );
p5->set_flow(1,243);
v3->add_particle_out( p5 );
//
// create v4
HepMC::GenVertex* v4 = new HepMC::GenVertex(HepMC::FourVector(0.12,-0.3,0.05,0.004));
evt->add_vertex( v4 );
v4->add_particle_in( p5 );
HepMC::GenParticle* p7 = new HepMC::GenParticle( HepMC::FourVector(-2.445,28.816,6.082,29.552), 1,1 );
v4->add_particle_out( p7 );
HepMC::GenParticle* p8 = new HepMC::GenParticle( HepMC::FourVector(3.962,-49.498,-26.687,56.373), -2,1 );
v4->add_particle_out( p8 );
//
// tell the event which vertex is the signal process vertex
evt->set_signal_process_vertex( v3 );
// the event is complete, we now print it out
evt->print( os );
// look at the flow we created
os << std::endl;
FlowVec result1 = p1->flow().dangling_connected_partners( p1->flow().icode(1) );
FlowVec result2 = p1->flow().connected_partners( p1->flow().icode(1) );
FlowVec::iterator it;
os << "dangling partners of particle " << p1->barcode() << std::endl;
for( it = result1.begin(); it != result1.end(); ++it ) {
os << (*it)->barcode() << " " ;
os.width(8);
os << (*it)->pdg_id() << " " << (*it)->flow(1) << std::endl;
}
os << "all partners of particle " << p1->barcode() << std::endl;
for( it = result2.begin(); it != result2.end(); ++it ) {
os << (*it)->barcode() << " " ;
os.width(8);
os << (*it)->pdg_id() << " " << (*it)->flow(1) << std::endl;
}
FlowVec result3 = p2->flow().dangling_connected_partners( p2->flow().icode(1) );
FlowVec result4 = p2->flow().connected_partners( p2->flow().icode(1) );
os << "dangling partners of particle " << p2->barcode() << std::endl;
for( it = result3.begin(); it != result3.end(); ++it ) {
os << (*it)->barcode() << " " ;
os.width(8);
os << (*it)->pdg_id() << " " << (*it)->flow(1) << std::endl;
}
os << "all partners of particle " << p2->barcode() << std::endl;
for( it = result4.begin(); it != result4.end(); ++it ) {
os << (*it)->barcode() << " " ;
os.width(8);
os << (*it)->pdg_id() << " " << (*it)->flow(1) << std::endl;
}
xout1 << evt;
 
// try changing and erasing flow
p2->set_flow(2,345);
xout2 << evt;
FlowVec result5 = p2->flow().connected_partners( p2->flow().icode(1) );
if ( result4 != result5 ) {
std::cerr << "ERROR: list of partners has changed after adding flow" << std::endl;
++numbad;
}
// the flow method returns a copy,
// so we must set the flow again to change it
HepMC::Flow f2 = p2->flow();
if( f2.erase(2) ) {
p2->set_flow( f2 );
} else {
std::cerr << "ERROR: first erase was NOT successful" << std::endl;
++numbad;
}
f2 = p2->flow();
if( f2.erase(2) ) {
std::cerr << "ERROR: second erase was successful" << std::endl;
}
xout3 << evt;
FlowVec result6 = p2->flow().connected_partners( p2->flow().icode(1) );
if ( result4 != result6 ) {
std::cerr << "ERROR: list of partners has changed after removing flow" << std::endl;
++numbad;
}
 
// now clean-up by deleteing all objects from memory
//
// deleting the event deletes all contained vertices, and all particles
// contained in those vertices
delete evt;
if( numbad > 0 ) std::cerr << numbad << " errors in testFlow" << std::endl;
 
return numbad;
}
New file
/branches/HEPMC_02_04_branch/test/testFlow.output
@@ -0,0 +1,42 @@
________________________________________________________________________________
GenEvent: #1 ID=20 SignalProcessGenVertex Barcode: -3
Momenutm units: GEV Position units: MM
Entries this event: 4 vertices, 8 particles.
Beam Particles are not defined.
RndmState(0)=
Wgts(0)=
EventScale -1 [energy] alphaQCD=-1 alphaQED=-1
GenParticle Legend
Barcode PDG ID ( Px, Py, Pz, E ) Stat DecayVtx
________________________________________________________________________________
GenVertex: -1 ID: 0 (X,cT):0
I: 1 10001 2212 +0.00e+00,+0.00e+00,+7.00e+03,+7.00e+03 3 -1
O: 1 10003 1 +7.50e-01,-1.57e+00,+3.22e+01,+3.22e+01 3 -3
GenVertex: -2 ID: 0 (X,cT):0
I: 1 10002 2212 +0.00e+00,+0.00e+00,-7.00e+03,+7.00e+03 3 -2
O: 1 10004 -2 -3.05e+00,-1.90e+01,-5.46e+01,+5.79e+01 3 -3
GenVertex: -3 ID: 0 (X,cT):0
I: 2 10003 1 +7.50e-01,-1.57e+00,+3.22e+01,+3.22e+01 3 -3
10004 -2 -3.05e+00,-1.90e+01,-5.46e+01,+5.79e+01 3 -3
O: 2 10005 22 -3.81e+00,+1.13e-01,-1.83e+00,+4.23e+00 1
10006 -24 +1.52e+00,-2.07e+01,-2.06e+01,+8.59e+01 3 -4
Vertex: -4 ID: 0 (X,cT)=+1.20e-01,-3.00e-01,+5.00e-02,+4.00e-03
I: 1 10006 -24 +1.52e+00,-2.07e+01,-2.06e+01,+8.59e+01 3 -4
O: 2 10007 1 -2.44e+00,+2.88e+01,+6.08e+00,+2.96e+01 1
10008 -2 +3.96e+00,-4.95e+01,-2.67e+01,+5.64e+01 1
________________________________________________________________________________
 
dangling partners of particle 10001
10005 22 231
10001 2212 231
all partners of particle 10001
10001 2212 231
10003 1 231
10005 22 231
dangling partners of particle 10002
10006 -24 243
10002 2212 243
all partners of particle 10002
10002 2212 243
10004 -2 243
10006 -24 243
/branches/HEPMC_02_04_branch/test/Makefile.am
@@ -7,14 +7,14 @@
# Identify executables needed during testing:
check_PROGRAMS = testSimpleVector testUnits testPrintBug \
testHepMC testHepMCIteration testMass \
testMultipleCopies testDeprecated
testMultipleCopies testDeprecated testFlow
 
check_SCRIPTS = testHepMC.sh testHepMCIteration.sh testPrintBug.sh \
testMass.sh testDeprecated.sh
testMass.sh testDeprecated.sh testFlow.sh
 
# Identify test(s) to run when 'make check' is requested:
TESTS = testSimpleVector testUnits \
testHepMC.sh testHepMCIteration.sh testMass.sh \
testHepMC.sh testHepMCIteration.sh testMass.sh testFlow.sh \
testPrintBug.sh testMultipleCopies testDeprecated.sh
 
# Identify the test(s) for which failure is the intended outcome:
@@ -23,6 +23,7 @@
# Identify the dependencies on a per-test basis:
testSimpleVector_SOURCES = testSimpleVector.cc
testUnits_SOURCES = testUnits.cc
testFlow_SOURCES = testFlow.cc
testHepMC_SOURCES = testHepMC.cc
testMass_SOURCES = testMass.cc
testHepMCIteration_SOURCES = testHepMCIteration.cc
@@ -34,7 +35,7 @@
EXTRA_DIST = testHepMC.input testHepMC.output testHepMCParticle.output \
testPrintBug.output \
testHepMCIteration.output \
testAscii.input testAscii.dat
testAscii.input testAscii.dat testFlow.output
 
# Identify generated file(s) to be removed when 'make clean' is requested:
CLEANFILES = testHepMC.out testHepMCParticle.out \
@@ -44,4 +45,5 @@
testDeprecated.cout testHepMC.cout testHepMCIteration.cout \
testMultipleCopies.out testHepMCVarious.out testIOAscii.dat \
testMultipleCopies1.dat testMultipleCopies2.dat \
testMultipleOriginals.dat testUnits.out
testMultipleOriginals.dat testUnits.out \
testFlow.out testFlow.out1 testFlow.out2 testFlow.out3
/branches/HEPMC_02_04_branch/test/VCMakefile.in
@@ -19,10 +19,10 @@
check_PROGRAMS = testSimpleVector$(EXEEXT) testUnits$(EXEEXT) \
testPrintBug$(EXEEXT) testHepMC$(EXEEXT) \
testHepMCIteration$(EXEEXT) testMass$(EXEEXT) \
testMultipleCopies$(EXEEXT) testDeprecated$(EXEEXT)
testMultipleCopies$(EXEEXT) testDeprecated$(EXEEXT) testFlow$(EXEEXT)
TESTS = testSimpleVector$(EXEEXT) testUnits$(EXEEXT) testHepMC.sh \
testHepMCIteration.sh testMass.sh testPrintBug.sh \
testMultipleCopies$(EXEEXT) testDeprecated.sh
testMultipleCopies$(EXEEXT) testDeprecated.sh testFlow.sh
XFAIL_TESTS =
subdir = test
DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
@@ -31,7 +31,7 @@
$(srcdir)/testHepMCIteration.cc.in \
$(srcdir)/testHepMCIteration.sh.in $(srcdir)/testMass.cc.in \
$(srcdir)/testMass.sh.in $(srcdir)/testMultipleCopies.cc.in \
$(srcdir)/testPrintBug.sh.in
$(srcdir)/testPrintBug.sh.in $(srcdir)/testFlow.sh.in
 
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/configure.ac
@@ -41,7 +41,7 @@
CONFIG_CLEAN_FILES = testHepMC.cc testMass.cc testHepMCIteration.cc \
testMultipleCopies.cc testDeprecated.cc testHepMC.sh \
testMass.sh testHepMCIteration.sh testPrintBug.sh \
testDeprecated.sh
testDeprecated.sh testFlow.sh
am_testDeprecated_OBJECTS = testDeprecated.$(OBJEXT)
testDeprecated_OBJECTS = $(am_testDeprecated_OBJECTS)
testDeprecated_DEPENDENCIES = $(top_builddir)/src/HepMC.lib
@@ -51,6 +51,9 @@
am_testHepMCIteration_OBJECTS = testHepMCIteration.$(OBJEXT)
testHepMCIteration_OBJECTS = $(am_testHepMCIteration_OBJECTS)
testHepMCIteration_DEPENDENCIES = $(top_builddir)/src/HepMC.lib
am_testFlow_OBJECTS = testFlow.$(OBJEXT)
testFlow_OBJECTS = $(am_testFlow_OBJECTS)
testFlow_DEPENDENCIES = $(top_builddir)/src/HepMC.lib
am_testMass_OBJECTS = testMass.$(OBJEXT)
testMass_OBJECTS = $(am_testMass_OBJECTS)
testMass_DEPENDENCIES = $(top_builddir)/src/HepMC.lib
@@ -76,11 +79,13 @@
SOURCES = $(testDeprecated_SOURCES) $(testHepMC_SOURCES) \
$(testHepMCIteration_SOURCES) $(testMass_SOURCES) \
$(testMultipleCopies_SOURCES) $(testPrintBug_SOURCES) \
$(testSimpleVector_SOURCES) $(testUnits_SOURCES)
$(testSimpleVector_SOURCES) $(testUnits_SOURCES) \
$(testFlow_SOURCES)
DIST_SOURCES = $(testDeprecated_SOURCES) $(testHepMC_SOURCES) \
$(testHepMCIteration_SOURCES) $(testMass_SOURCES) \
$(testMultipleCopies_SOURCES) $(testPrintBug_SOURCES) \
$(testSimpleVector_SOURCES) $(testUnits_SOURCES)
$(testSimpleVector_SOURCES) $(testUnits_SOURCES) \
$(testFlow_SOURCES)
ETAGS = etags
CTAGS = ctags
DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(EXTRA_DIST)
@@ -149,13 +154,14 @@
# how to specify output file
OUTFLAG = /Fo$@
check_SCRIPTS = testHepMC.sh testHepMCIteration.sh testPrintBug.sh \
testMass.sh testDeprecated.sh
testMass.sh testDeprecated.sh testFlow.sh
 
 
# Identify the dependencies on a per-test basis:
testSimpleVector_SOURCES = testSimpleVector.cc
testUnits_SOURCES = testUnits.cc
testHepMC_SOURCES = testHepMC.cc
testFlow_SOURCES = testFlow.cc
testMass_SOURCES = testMass.cc
testHepMCIteration_SOURCES = testHepMCIteration.cc
testMultipleCopies_SOURCES = testMultipleCopies.cc
@@ -166,6 +172,7 @@
testSimpleVector_LDADD = $(top_builddir)/src/HepMC.lib
testUnits_LDADD = $(top_builddir)/src/HepMC.lib
testHepMC_LDADD = $(top_builddir)/src/HepMC.lib
testFlow_LDADD = $(top_builddir)/src/HepMC.lib
testMass_LDADD = $(top_builddir)/src/HepMC.lib
testHepMCIteration_LDADD = $(top_builddir)/src/HepMC.lib
testMultipleCopies_LDADD = $(top_builddir)/src/HepMC.lib
@@ -183,7 +190,7 @@
EXTRA_DIST = testHepMC.input testHepMC.output testHepMCParticle.output \
testPrintBug.output testHepMCExtended.dat \
testHepMCIteration.output testHepMCIterationExtended.output \
testAscii.input testAscii.dat
testAscii.input testAscii.dat testFlow.output
 
 
# Identify generated file(s) to be removed when 'make clean' is requested:
@@ -195,6 +202,7 @@
testMultipleCopies.out testHepMCVarious.out testIOAscii.dat \
testMultipleCopies1.dat testMultipleCopies2.dat \
testMultipleOriginals.dat testIOHepMCExtended.dat \
testFlow.out testFlow.out1 testFlow.out2 testFlow.out3 \
testUnits.out
 
all: all-am
@@ -230,6 +238,8 @@
cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
testHepMC.sh: $(top_builddir)/config.status $(srcdir)/testHepMC.sh.in
cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
testFlow.sh: $(top_builddir)/config.status $(srcdir)/testFlow.sh.in
cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
testMass.sh: $(top_builddir)/config.status $(srcdir)/testMass.sh.in
cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@
testHepMCIteration.sh: $(top_builddir)/config.status $(srcdir)/testHepMCIteration.sh.in
@@ -254,6 +264,9 @@
testHepMCIteration$(EXEEXT): $(testHepMCIteration_OBJECTS) $(testHepMCIteration_DEPENDENCIES)
@rm -f testHepMCIteration$(EXEEXT)
$(CXXLINK) $(testHepMCIteration_OBJECTS) $(testHepMCIteration_LDADD) $(LIBS)
testFlow$(EXEEXT): $(testFlow_OBJECTS) $(testFlow_DEPENDENCIES)
@rm -f testFlow$(EXEEXT)
$(CXXLINK) $(testFlow_OBJECTS) $(testFlow_LDADD) $(LIBS)
testMass$(EXEEXT): $(testMass_OBJECTS) $(testMass_DEPENDENCIES)
@rm -f testMass$(EXEEXT)
$(CXXLINK) $(testMass_OBJECTS) $(testMass_LDADD) $(LIBS)
@@ -279,6 +292,7 @@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testDeprecated.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testHepMC.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testHepMCIteration.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testFlow.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testMass.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testMultipleCopies.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/testPrintBug.Po@am__quote@
/branches/HEPMC_02_04_branch/ChangeLog
@@ -1,4 +1,10 @@
 
2009-06-25 Lynn Garren
 
* HepMC/Flow.h: improve the syntax of the erase() method
* test/testFlow.cc: adding a test of the Flow class
see https://savannah.cern.ch/bugs/index.php?52240
 
2009-06-03 Lynn Garren
 
* HepMC/HepMCDefs.h: New header containing HEPMC_HAS_UNITS and
/branches/HEPMC_02_04_branch/configure.ac
@@ -163,6 +163,7 @@
examples/GNUmakefile.example])
 
AC_CONFIG_FILES([test/testHepMC.sh], [chmod +x test/testHepMC.sh])
AC_CONFIG_FILES([test/testFlow.sh], [chmod +x test/testFlow.sh])
AC_CONFIG_FILES([test/testMass.sh], [chmod +x test/testMass.sh])
AC_CONFIG_FILES([test/testHepMCIteration.sh], [chmod +x test/testHepMCIteration.sh])
AC_CONFIG_FILES([test/testPrintBug.sh], [chmod +x test/testPrintBug.sh])
/branches/HEPMC_02_04_branch/doc/HepMC2_user_manual.tex
@@ -182,7 +182,7 @@
information---pertaining to a collection of events---is also specified
in that document and is not addressed in HepMC). }
 
\begin{figure}[h]
\begin{figure}[ht]
\begin{center}
\Ovalbox{\begin{minipage}{5in}\begin{small}
\begin{tabular}{rcl}
@@ -231,7 +231,7 @@
interpret complex parent/child relationship codes or re-shuffle the rest
of the event record.
 
\begin{figure}[h]
\begin{figure}[ht]
\begin{center}
\parbox[c]{55mm}{\includegraphics[height=45mm,clip=]
{physicist_visualization.eps}}
@@ -1138,7 +1138,7 @@
In this way, each particle appears only once in the Ascii listing.
An example of the format written to a file is shown in Figure~\ref{ascii_format}.
 
\begin{figure}[h]
\begin{figure}[ht]
\begin{center}
{\tiny \begin{verbatim}
HepMC::Version 2.04.00
@@ -1320,7 +1320,7 @@
 
IO examples are shown in Figures \ref{read_ascii} and \ref{write_ascii}.
 
\begin{figure}[h]
\begin{figure}[ht]
\caption[IO\_GenEvent exmple]{\label{read_ascii} Reading HepMC events from a file. }
{\small \begin{verbatim}
// specify an input file
@@ -1339,7 +1339,7 @@
\end{verbatim}}
\end{figure}
 
\begin{figure}[h]
\begin{figure}[ht]
\caption[IO\_HEPEVT and IO\_GenEvent exmple]
{\label{write_ascii} Convert events from the HEPEVT common block
to HepMC format and write them to a file. }
/branches/HEPMC_02_04_branch/examples/example_BuildEventFromScratch.cc
@@ -53,15 +53,15 @@
pdt.print();
 
// now we build the graph, which will look like
// p7
// p1 /
// \v1__p3 p5---v4
// \_v3_/ \
// / \ p8
// v2__p4 \
// / p6
// p2
//
// p7 #
// p1 / #
// \v1__p3 p5---v4 #
// \_v3_/ \ #
// / \ p8 #
// v2__p4 \ #
// / p6 #
// p2 #
// #
 
// First create the event container, with Signal Process 20, event number 1
//