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diff --git a/CMakeLists.txt b/CMakeLists.txt
index f814556..6f5eedf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,147 +1,170 @@
cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
set(CMAKE_LEGACY_CYGWIN_WIN32 0)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-project("Reversed HEJ" C CXX)
+project("Reversed HEJ" VERSION 0.0.1 LANGUAGES C CXX)
## Flags for the compiler. No warning allowed.
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror")
elseif (MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4 /WX /EHsc")
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_STANDARD 14)
-## Add directories and find dependences
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
+## Create Version
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
+
+# Get the latest abbreviated commit hash of the working branch
+execute_process(
+ COMMAND git rev-parse HEAD
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ OUTPUT_VARIABLE PROJECT_GIT_REVISION
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+# Get the current working branch
+execute_process(
+ COMMAND git rev-parse --abbrev-ref HEAD
+ WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ OUTPUT_VARIABLE PROJECT_GIT_BRANCH
+ OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+CONFIGURE_FILE( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Templates/Version.hh.in
+ ${PROJECT_BINARY_DIR}/include/RHEJ/Version.hh @ONLY )
+
+
+## Add directories and find dependences
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include ${PROJECT_BINARY_DIR}/include)
+
find_package(fastjet REQUIRED)
include_directories(${fastjet_INCLUDE_PATH})
find_package(clhep REQUIRED)
include_directories(${clhep_INCLUDE_PATH})
find_package(lhapdf REQUIRED)
include_directories(${lhapdf_INCLUDE_PATH})
find_package(gsl REQUIRED)
include_directories(${gsl_INCLUDE_PATH})
find_package(Boost REQUIRED COMPONENTS iostreams)
include_directories(${Boost_INCLUDE_DIRS})
# find_package(yaml-cpp REQUIRED)
# include_directories(${YAML_CPP_INCLUDE_DIR})
find_package(HepMC 2)
if(${HepMC_FOUND})
+ message (STATUS "HepMC installation found: ${HepMC_INCLUDE_DIRS}")
set(
CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -DRHEJ_BUILD_WITH_HepMC_VERSION=${HepMC_VERSION_MAJOR}"
)
include_directories(${HepMC_INCLUDE_DIRS})
endif()
find_package(QCDloop 2)
if(${QCDloop_FOUND})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DRHEJ_BUILD_WITH_QCDLOOP")
include_directories(SYSTEM ${QCDloop_INCLUDE_DIRS})
endif()
add_subdirectory(src)
## define executable
add_executable(rHEJ src/main.cc)
## link libraries
target_link_libraries(rHEJ rhej)
#plugins
add_subdirectory("analysis-plugins")
-file(GLOB rhej_headers ${CMAKE_CURRENT_SOURCE_DIR}/include/RHEJ/*.hh)
+file(GLOB rhej_headers ${CMAKE_CURRENT_SOURCE_DIR}/include/RHEJ/*.hh ${PROJECT_BINARY_DIR}/include/RHEJ/*.hh)
file(GLOB lhef_headers ${CMAKE_CURRENT_SOURCE_DIR}/include/LHEF/*.h)
install(FILES ${rhej_headers} DESTINATION include/RHEJ/)
install(FILES ${lhef_headers} DESTINATION include/LHEF/)
install(TARGETS rHEJ DESTINATION bin)
enable_testing()
set(tst_dir "${CMAKE_CURRENT_SOURCE_DIR}/t")
add_executable(test_Matrix ${tst_dir}/test_Matrix.cc)
add_executable(test_classify ${tst_dir}/test_classify.cc)
add_executable(test_psp ${tst_dir}/test_psp.cc)
add_executable(test_ME_h_3j ${tst_dir}/test_ME_h_3j.cc)
add_executable(test_ME_hjets_mt174 ${tst_dir}/test_ME_hjets_mt174.cc)
add_executable(check_res ${tst_dir}/check_res.cc)
add_executable(check_lhe ${tst_dir}/check_lhe.cc)
target_link_libraries(test_Matrix rhej)
target_link_libraries(test_classify rhej)
target_link_libraries(test_psp rhej)
target_link_libraries(test_ME_h_3j rhej)
target_link_libraries(test_ME_hjets_mt174 rhej)
target_link_libraries(check_res rhej)
target_link_libraries(check_lhe rhej)
add_test(
NAME t_matrix
COMMAND test_Matrix
)
add_test(
NAME t_classify
COMMAND test_classify ${tst_dir}/classify.lhe.gz
)
add_test(
NAME t_psp
COMMAND test_psp ${tst_dir}/psp_gen.lhe.gz
)
add_test(
NAME t_ME
COMMAND test_ME_h_3j
)
if(${QCDloop_FOUND})
add_test(
NAME t_ME_mt174
COMMAND test_ME_hjets_mt174
)
endif()
add_test(
NAME t_2j
COMMAND check_res ${tst_dir}/2j.lhe.gz 3.382e7 752159
)
add_test(
NAME t_3j
COMMAND check_res ${tst_dir}/3j.lhe.gz 2.5019e+06 97075
)
add_test(
NAME t_4j
COMMAND check_res ${tst_dir}/4j.lhe.gz 479170 19203.9
)
add_test(
NAME t_h_3j
COMMAND check_res ${tst_dir}/h_3j.lhe.gz 0.793107 0.0479054
)
add_test(
NAME t_h_3j_uno
COMMAND check_res ${tst_dir}/h_3j_uno.lhe.gz 0.0260428 0.00129855 uno
)
if(${HepMC_FOUND})
file(READ "${tst_dir}/jet_config.yml" config)
file(WRITE "${tst_dir}/jet_config_withHepMC.yml" "${config} - tst.hepmc")
add_test(
NAME t_main
COMMAND rHEJ ${tst_dir}/jet_config_withHepMC.yml ${tst_dir}/2j.lhe.gz
)
if(${HepMC_VERSION_MAJOR} GREATER 2)
add_executable(check_hepmc ${tst_dir}/check_hepmc.cc)
target_link_libraries(check_hepmc rhej)
add_test(
NAME t_hepmc
COMMAND check_hepmc tst.hepmc
)
endif()
else()
add_test(
NAME t_main
COMMAND rHEJ ${tst_dir}/jet_config.yml ${tst_dir}/2j.lhe.gz
)
endif()
add_test(
NAME t_lhe
COMMAND check_lhe tst.lhe
)
diff --git a/cmake/Templates/Version.hh.in b/cmake/Templates/Version.hh.in
new file mode 100644
index 0000000..6843703
--- /dev/null
+++ b/cmake/Templates/Version.hh.in
@@ -0,0 +1,46 @@
+/** \file Version.hh
+ * \brief The file gives the current rHEJ Version
+ */
+
+#pragma once
+
+#include <string>
+
+/// @brief Full name of this package.
+#define RHEJ_PACKAGE_NAME "@PROJECT_NAME@"
+
+/// @brief rHEJ version string
+#define RHEJ_VERSION "@PROJECT_VERSION@"
+
+/// @brief Full name and version of this package.
+#define RHEJ_PACKAGE_STRING "@PROJECT_NAME@ @PROJECT_VERSION@"
+
+/// @brief Major version of this package
+#define RHEJ_VERSION_MAJOR @PROJECT_VERSION_MAJOR@
+
+/// @brief Minor version of this package
+#define RHEJ_VERSION_MINOR @PROJECT_VERSION_MINOR@
+
+/// @brief Patch version of this package
+#define RHEJ_VERSION_PATCH @PROJECT_VERSION_PATCH@
+
+/// @brief Git revision of this package
+#define RHEJ_GIT_revision "@PROJECT_GIT_REVISION@"
+
+/// @brief Git branch name of this package
+#define RHEJ_GIT_branch "@PROJECT_GIT_BRANCH@"
+
+
+namespace RHEJ {
+
+ struct Version {
+
+ static std::string String() { return RHEJ_VERSION; }
+ static std::string package_name() { return RHEJ_PACKAGE_NAME; }
+ static std::string package_name_full() { return RHEJ_PACKAGE_STRING; }
+ static int Major() { return RHEJ_VERSION_MAJOR; }
+ static int Minor() { return RHEJ_VERSION_MINOR; }
+ static int Patch() { return RHEJ_VERSION_PATCH; }
+
+ };
+}
diff --git a/include/RHEJ/Version.hh b/include/RHEJ/Version.hh
deleted file mode 100644
index 95da3e7..0000000
--- a/include/RHEJ/Version.hh
+++ /dev/null
@@ -1,49 +0,0 @@
-/** \file Version.hh
- * \brief The file gives the current rHEJ Version
- */
-
-#pragma once
-
-#include <string>
-
-/// @brief Full name of this package.
-#define RHEJ_PACKAGE_NAME "rHEJ"
-
-/// @brief rHEJ version string
-#define RHEJ_VERSION "0.0.1"
-
-/// @brief Full name and version of this package.
-#define RHEJ_PACKAGE_STRING "rHEJ 0.0.1"
-
-/// @brief rHEJ version as an integer, rHEJ XXYYZZ = XXYYZZ
-///
-/// Use like "#if RHEJ_VERSION < 010203" for < 1.2.3
-#define RHEJ_VERSION_CODE 000001
-
-/// @brief Major version of this package
-#define RHEJ_VERSION_MAJOR 0
-
-/// @brief Minor version of this package
-#define RHEJ_VERSION_MINOR 0
-
-/// @brief Patch version of this package
-#define RHEJ_VERSION_PATCHLEVEL 1
-
-
-namespace RHEJ {
-
- /// Get the rHEJ library version string
- inline std::string version() {
- return RHEJ_VERSION;
- }
-
- /// Get the rHEJ library package name
- inline std::string package_name() {
- return RHEJ_PACKAGE_NAME;
- }
-
- // Get the full rHEJ library name and version
- inline std::string package_name_full() {
- return RHEJ_PACKAGE_STRING;
- }
-}
diff --git a/src/HepMCWriter.cc b/src/HepMCWriter.cc
index f9820d8..3fe2817 100644
--- a/src/HepMCWriter.cc
+++ b/src/HepMCWriter.cc
@@ -1,243 +1,243 @@
#include "RHEJ/HepMCWriter.hh"
#include <cassert>
#ifdef RHEJ_BUILD_WITH_HepMC_VERSION
#if RHEJ_BUILD_WITH_HepMC_VERSION >= 3
#include "HepMC/WriterAscii.h"
#include "HepMC/LHEFAttributes.h"
#else
#include "HepMC/IO_GenEvent.h"
#endif
#include "HepMC/GenVertex.h"
#include "HepMC/GenParticle.h"
#include "RHEJ/config.hh"
#include "RHEJ/utility.hh"
#include "RHEJ/Event.hh"
#include "RHEJ/exceptions.hh"
#include "RHEJ/Version.hh"
namespace RHEJ{
#if RHEJ_BUILD_WITH_HepMC_VERSION >= 3
namespace {
void add_generator_tag(LHEF::HEPRUP & heprup){
heprup.generators.emplace_back(LHEF::XMLTag{});
- heprup.generators.back().name = package_name();
- heprup.generators.back().version = version();
+ heprup.generators.back().name = Version().package_name();
+ heprup.generators.back().version = Version().String();
}
void reset_weight_info(LHEF::HEPRUP & heprup){
heprup.IDWTUP = -4;
// use placeholders for unknown init block values
// we can overwrite them after processing all events
heprup.XSECUP = {0.};
heprup.XERRUP = {0.};
heprup.XMAXUP = {0.};
}
HepMC::FourVector to_FourVector(Sparticle const & sp){
return {sp.px(), sp.py(), sp.pz(), sp.E()};
}
HepMC::shared_ptr<HepMC::GenRunInfo> & add_HEPRUP(
HepMC::shared_ptr<HepMC::GenRunInfo> & runinfo,
LHEF::HEPRUP heprup
){
add_generator_tag(heprup);
reset_weight_info(heprup);
auto hepr = HepMC::make_shared<HepMC::HEPRUPAttribute>();
hepr->heprup = std::move(heprup);
runinfo->add_attribute("HEPRUP", hepr);
for (int i = 0, N = hepr->heprup.generators.size(); i < N; ++i ){
HepMC::GenRunInfo::ToolInfo tool;
tool.name = hepr->heprup.generators[i].name;
tool.version = hepr->heprup.generators[i].version;
tool.description = hepr->heprup.generators[i].contents;
runinfo->tools().push_back(tool);
}
return runinfo;
}
} // namespace anonymous
struct HepMCWriter::HepMCWriterImpl: public EventWriter{
Config config_;
HepMC::shared_ptr<HepMC::GenRunInfo> runinfo_;
HepMC::WriterAscii writer_;
HepMCWriterImpl(
std::string const & file, Config const & conf, LHEF::HEPRUP && heprup
):
config_(conf),
runinfo_{HepMC::make_shared<HepMC::GenRunInfo>()},
writer_{file, add_HEPRUP(runinfo_, std::move(heprup))}
{}
HepMCWriterImpl & operator=(HepMCWriterImpl const & other) = delete;
HepMCWriterImpl(HepMCWriterImpl const & other) = delete;
HepMCWriterImpl & operator=(HepMCWriterImpl && other) = delete;
HepMCWriterImpl(HepMCWriterImpl && other) = delete;
~HepMCWriterImpl(){
writer_.close();
}
void write(Event const & ev){
if(!ev.decays().empty()){
throw not_implemented{"HepMC output for events with decays"};
}
auto vx = HepMC::make_shared<HepMC::GenVertex>();
for(auto const & in: ev.incoming()){
vx->add_particle_in(
HepMC::make_shared<HepMC::GenParticle>(
to_FourVector(in), static_cast<int>(in.type), -1
)
);
}
for(auto const & out: ev.outgoing()){
vx->add_particle_out(
HepMC::make_shared<HepMC::GenParticle>(
to_FourVector(out), static_cast<int>(out.type), +1
)
);
}
HepMC::GenEvent out_ev{runinfo_, HepMC::Units::GEV, HepMC::Units::MM};
out_ev.add_vertex(vx);
out_ev.weights().reserve(ev.variations().size() + 1u);
out_ev.weights().emplace_back(ev.central().weight);
for(auto const & var: ev.variations()){
out_ev.weights().emplace_back(var.weight);
}
writer_.write_event(out_ev);
}
};
void HepMCWriter::HepMCWriterImplDeleter::operator()(HepMCWriterImpl* p) {
delete p;
}
#else // HepMC 2
namespace{
HepMC::FourVector to_FourVector(Sparticle const & sp){
return {sp.px(), sp.py(), sp.pz(), sp.E()};
}
}
struct HepMCWriter::HepMCWriterImpl: public EventWriter{
struct HepMCInfo{
size_t event_count = 0.;
double tot_weight = 0.;
double tot_weight2 = 0.;
void add_event(Event const & ev){
double wt = ev.central().weight;
tot_weight += wt;
tot_weight2 += wt * wt;
++event_count;
}
};
Config config_;
HepMC::IO_GenEvent writer_;
HepMCInfo genInfo_;
HepMCWriterImpl(
std::string const & file, Config const & conf, LHEF::HEPRUP &&
):
config_(conf),
writer_{file}
{}
HepMCWriterImpl & operator=(HepMCWriterImpl const & other) = delete;
HepMCWriterImpl(HepMCWriterImpl const & other) = delete;
HepMCWriterImpl & operator=(HepMCWriterImpl && other) = delete;
HepMCWriterImpl(HepMCWriterImpl && other) = delete;
void write(Event const & ev){
if(!ev.decays().empty()){
throw not_implemented{"HepMC output for events with decays"};
}
auto vx = new HepMC::GenVertex();
for(auto const & in: ev.incoming()){
vx->add_particle_in(
new HepMC::GenParticle{
to_FourVector(in), static_cast<int>(in.type), -1
}
);
}
for(auto const & out: ev.outgoing()){
vx->add_particle_out(
new HepMC::GenParticle{
to_FourVector(out), static_cast<int>(out.type), +1
}
);
}
HepMC::GenEvent out_ev{HepMC::Units::GEV, HepMC::Units::MM};
out_ev.add_vertex(vx);
/// weights
out_ev.weights().push_back(ev.central().weight);
for(auto const & var: ev.variations()){
out_ev.weights().push_back(var.weight);
}
/// @TODO add name list
/// general informations
genInfo_.add_event(ev);
out_ev.set_signal_process_id(ev.type()+1); /// "+1": conistent with lhe
out_ev.set_event_scale(ev.central().mur); /// event scale
out_ev.set_event_number(genInfo_.event_count); /// event number
/// cross section
HepMC::GenCrossSection t_xs;
t_xs.set_cross_section( genInfo_.tot_weight , sqrt(genInfo_.tot_weight2) );
out_ev.set_cross_section( t_xs );
/// @TODO add alphaQCD (need function) and alphaQED
/// @TODO output pdf (currently not avaiable from event alone)
writer_.write_event(&out_ev);
}
};
void HepMCWriter::HepMCWriterImplDeleter::operator()(HepMCWriterImpl* p) {
delete p;
}
#endif // HepMC 2
HepMCWriter::HepMCWriter(std::string const & file, Config const & conf, LHEF::HEPRUP heprup):
impl_{std::unique_ptr<HepMCWriterImpl, HepMCWriterImplDeleter>{
new HepMCWriterImpl(file, conf, std::move(heprup))
}}
{}
void HepMCWriter::write(Event const & ev){
impl_->write(ev);
}
} // namespace RHEJ
#else // no HepMC
namespace RHEJ{
class HepMCWriter::HepMCWriterImpl{};
HepMCWriter::HepMCWriter(std::string const &, Config const & conf, LHEF::HEPRUP){
throw std::invalid_argument(
"Failed to create HepMC writer: "
"Reversed HEJ was built without HepMC support"
);
}
void HepMCWriter::write(Event const &){
assert(false);
}
void HepMCWriter::HepMCWriterImplDeleter::operator()(HepMCWriterImpl* p) {
delete p;
}
}
#endif
diff --git a/src/LesHouchesWriter.cc b/src/LesHouchesWriter.cc
index ad85e97..57a4726 100644
--- a/src/LesHouchesWriter.cc
+++ b/src/LesHouchesWriter.cc
@@ -1,92 +1,92 @@
#include <stdexcept>
#include <memory>
#include <cassert>
#include "RHEJ/LesHouchesWriter.hh"
#include "RHEJ/event_types.hh"
#include "RHEJ/config.hh"
#include "RHEJ/Event.hh"
#include "RHEJ/Version.hh"
namespace RHEJ{
namespace{
template<class T, class... Args>
std::unique_ptr<T> make_unique(Args&&... a){
return std::unique_ptr<T>{new T{std::forward<Args>(a)...}};
}
}
LesHouchesWriter::LesHouchesWriter(
std::string const & file, Config const & conf, LHEF::HEPRUP heprup
):
config_(conf),
out_{file, std::fstream::in | std::fstream::out | std::fstream::trunc},
writer_{RHEJ::make_unique<LHEF::Writer>(out_)}
{
if(! out_.is_open()){
throw std::ios_base::failure("Failed to open " + file);
};
writer_->heprup = std::move(heprup);
// lhe Stardard: IDWTUP (negative => weights = +/-)
// 3: weight=+/-, xs given in head (same as default MG)
// 4: weight=+/-, xs = avg(weights)
writer_->heprup.IDWTUP = -3;
writer_->heprup.generators.emplace_back(LHEF::XMLTag{});
- writer_->heprup.generators.back().name = package_name();
- writer_->heprup.generators.back().version = version();
+ writer_->heprup.generators.back().name = Version().package_name();
+ writer_->heprup.generators.back().version = Version().String();
// use placeholders for unknown init block values
// we can overwrite them after processing all events
writer_->heprup.XSECUP = std::vector<double>(event_type::last_type+1, 0.);
writer_->heprup.XERRUP = std::vector<double>(event_type::last_type+1, 0.);
writer_->heprup.XMAXUP = std::vector<double>(event_type::last_type+1, 0.);
write_init();
}
void LesHouchesWriter::write(Event const & ev){
assert(writer_ && out_.is_open());
const double wt = ev.central().weight;
writer_->hepeup = RHEJ::to_HEPEUP(std::move(ev), &heprup());
writer_->writeEvent();
heprup().XSECUP[ev.type()] += wt;
heprup().XERRUP[ev.type()] += wt*wt;
if(wt > heprup().XMAXUP[ev.type()]){
heprup().XMAXUP[ev.type()] = wt;
}
}
// this function is called after overwritting the Les Houches init block
// assert that we have overwritten *exactly* the init block,
// i.e. an intact event block is next
void assert_next_event_intact(std::istream & out){
(void) out; // suppress compiler warnings if not in debug mode
#ifndef NDEBUG
std::string line;
getline(out, line);
assert(line == "<event>");
#endif
}
void LesHouchesWriter::rewrite_init(){
assert(writer_ && out_.is_open());
// replace placeholder entries
const auto pos = out_.tellp();
out_.seekp(0);
writer_->init();
assert_next_event_intact(out_);
out_.seekp(pos);
}
LesHouchesWriter::~LesHouchesWriter(){
assert(writer_ && out_.is_open());
for(auto & xs_err: heprup().XERRUP)
{
xs_err = sqrt(xs_err);
}
rewrite_init();
}
}
diff --git a/src/main.cc b/src/main.cc
index 90fa1c6..0ace328 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -1,159 +1,159 @@
/**
* Name: main.cc
* Authors: Tuomas Hapola, Andreas Maier <andreas.maier@durham.ac.uk>
*
*/
#include <fstream>
#include <algorithm>
#include <memory>
#include <chrono>
#include <iostream>
#include "yaml-cpp/yaml.h"
#include "RHEJ/CombinedEventWriter.hh"
#include "RHEJ/config.hh"
#include "RHEJ/EventReweighter.hh"
#include "RHEJ/get_analysis.hh"
#include "LHEF/LHEF.h"
#include "RHEJ/utility.hh"
#include "RHEJ/Version.hh"
#include "RHEJ/stream.hh"
#include "RHEJ/YAMLreader.hh"
int event_number(std::string const & record){
size_t start = record.rfind("Number of Events");
start = record.find_first_of("123456789", start);
if(start == std::string::npos) {
throw std::invalid_argument("no event number record found");
}
const size_t end = record.find_first_not_of("0123456789", start);
return std::stoi(record.substr(start, end - start));
}
RHEJ::Config load_config(char const * filename){
try{
return RHEJ::load_config(filename);
}
catch(std::exception const & exc){
std::cerr << "Error: " << exc.what() << '\n';
std::exit(EXIT_FAILURE);
}
}
std::unique_ptr<RHEJ::Analysis> get_analysis(
YAML::Node const & parameters
){
try{
return RHEJ::get_analysis(parameters);
}
catch(std::exception const & exc){
std::cerr << "Failed to load analysis: " << exc.what() << '\n';
std::exit(EXIT_FAILURE);
}
}
std::string time_to_string(const time_t time){
char s[1000];
struct tm * p = localtime(&time);
strftime(s, 1000, "%a %b %d %Y %H:%M:%S", p);
return s;
}
int main(int argn, char** argv) {
using clock = std::chrono::system_clock;
if (argn < 3) {
std::cerr << "\n# Usage:\n."<< argv[0] <<" config_file input_file\n\n";
return EXIT_FAILURE;
}
const auto start_time = clock::now();
{
- std::cout << "Starting " << RHEJ::package_name_full() << " ("
+ std::cout << "Starting " << RHEJ::Version().package_name_full() << " ("
<< time_to_string(clock::to_time_t(start_time)) << ")" << std::endl;
}
// read configuration
const RHEJ::Config config = load_config(argv[1]);
RHEJ::istream in{argv[2]};
std::unique_ptr<RHEJ::Analysis> analysis = get_analysis(
config.analysis_parameters
);
assert(analysis != nullptr);
LHEF::Reader reader{in};
RHEJ::CombinedEventWriter writer{config, reader.heprup};
double global_reweight = 1.;
int max_events = std::numeric_limits<int>::max();
if(argn > 3){
max_events = std::stoi(argv[3]);
const int input_events = event_number(reader.headerBlock);
global_reweight = input_events/static_cast<double>(max_events);
std::cout << "Processing " << max_events
<< " out of " << input_events << " events\n";
}
RHEJ::EventReweighter rhej{
reader.heprup,
config
};
if(config.RanLux_init){
RHEJ::PhaseSpacePoint::reset_ranlux(*config.RanLux_init);
}
int nevent = 0;
std::array<int, RHEJ::event_type::last_type + 1>
nevent_type{0}, nfailed_type{0};
// Loop over the events in the inputfile
while(reader.readEvent()){
// reweight events so that the total cross section is conserved
reader.hepeup.setWeight(0, global_reweight * reader.hepeup.weight());
if(nevent == max_events) break;
++nevent;
if (nevent % 10000 == 0){
std::cout << "Passed " << nevent << " events ("
<< time_to_string(clock::to_time_t(clock::now())) << ")"<< std::endl;
}
// calculate rHEJ weight
RHEJ::Event FO_event{
RHEJ::UnclusteredEvent{reader.hepeup},
config.fixed_order_jets.def, config.fixed_order_jets.min_pt,
};
auto resummed_events = rhej.reweight(
FO_event,
config.trials, config.scale_gen
);
++nevent_type[FO_event.type()];
if(resummed_events.empty()) ++nfailed_type[FO_event.type()];
for(auto const & ev: resummed_events){
//TODO: move pass_cuts to after phase space point generation
if(analysis->pass_cuts(ev, FO_event)){
analysis->fill(ev, FO_event);
writer.write(ev);
}
}
} // main event loop
using namespace RHEJ::event_type;
std::cout<< "Events processed: " << nevent << '\n';
for(size_t ev_type = first_type; ev_type <= last_type; ++ev_type){
std::cout << '\t' << names[ev_type] << ": " << nevent_type[ev_type]
<< ", failed to reconstruct " << nfailed_type[ev_type]
<< '\n';
}
std::chrono::duration<double> run_time = (clock::now() - start_time);
- std::cout << "Finished " << RHEJ::package_name() << " at "
+ std::cout << "Finished " << RHEJ::Version().package_name() << " at "
<< time_to_string(clock::to_time_t(clock::now()))
<< "\n=> Runtime: " << run_time.count() << " sec ("
<< nevent/run_time.count() << " Events/sec).\n";
}

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