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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9f87541..11fc0b5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,249 +1,255 @@
cmake_minimum_required(VERSION 3.1 FATAL_ERROR)
set(CMAKE_LEGACY_CYGWIN_WIN32 0)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
project("HEJ" VERSION 2.0.3 LANGUAGES C CXX)
# Set a default build type if none was specified
set(default_build_type "Release")
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to '${default_build_type}' as none was specified.")
set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE
STRING "Choose the type of build." FORCE)
# Set the possible values of build type for cmake-gui
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
"Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif()
## Flags for the compiler. No warning allowed.
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra")
elseif (MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4 /WX /EHsc")
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_STANDARD 14)
## 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
)
## target directories for install
set(INSTALL_INCLUDE_DIR_BASE include)
set(INSTALL_INCLUDE_DIR ${INSTALL_INCLUDE_DIR_BASE}/HEJ)
set(INSTALL_BIN_DIR bin)
set(INSTALL_LIB_DIR lib)
set(INSTALL_CONFIG_DIR lib/cmake/HEJ)
## Template files
configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Templates/Version.hh.in
${PROJECT_BINARY_DIR}/include/HEJ/Version.hh @ONLY )
configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/Templates/HEJ-config.cc.in
${PROJECT_BINARY_DIR}/src/bin/HEJ-config.cc @ONLY )
# Generate CMake config file
include(CMakePackageConfigHelpers)
configure_package_config_file(
cmake/Templates/hej-config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/${INSTALL_CONFIG_DIR}/hej-config.cmake
INSTALL_DESTINATION ${INSTALL_CONFIG_DIR}
PATH_VARS INSTALL_INCLUDE_DIR_BASE INSTALL_LIB_DIR
)
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/${INSTALL_CONFIG_DIR}/hej-config-version.cmake
COMPATIBILITY SameMajorVersion
)
install(
FILES ${CMAKE_CURRENT_BINARY_DIR}/${INSTALL_CONFIG_DIR}/hej-config.cmake
${CMAKE_CURRENT_BINARY_DIR}/${INSTALL_CONFIG_DIR}/hej-config-version.cmake
DESTINATION ${INSTALL_CONFIG_DIR})
## Add directories and find dependences
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include ${PROJECT_BINARY_DIR}/include)
find_package(fastjet REQUIRED)
include_directories(${fastjet_INCLUDE_PATH})
find_package(clhep 2.3 REQUIRED)
include_directories(${clhep_INCLUDE_PATH})
find_package(lhapdf REQUIRED)
include_directories(${lhapdf_INCLUDE_PATH})
## Amend unintuitive behaviour of FindBoost.cmake
## Priority of BOOST_ROOT over BOOSTROOT matches FindBoost.cmake
## at least for cmake 3.12
if(DEFINED BOOST_ROOT)
message("BOOST_ROOT set - only looking for Boost in ${BOOST_ROOT}")
set(Boost_NO_BOOST_CMAKE ON)
elseif(DEFINED BOOSTROOT)
message("BOOSTROOT set - only looking for Boost in ${BOOSTROOT}")
set(Boost_NO_BOOST_CMAKE ON)
endif()
find_package(Boost REQUIRED COMPONENTS iostreams)
include_directories(${Boost_INCLUDE_DIRS})
find_package(yaml-cpp)
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} -DHEJ_BUILD_WITH_HepMC_VERSION=${HepMC_VERSION_MAJOR}"
)
include_directories(${HepMC_INCLUDE_DIRS})
find_package(rivet)
if(${rivet_FOUND})
include_directories(${rivet_INCLUDE_PATH})
set(
CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -DHEJ_BUILD_WITH_RIVET"
)
endif()
endif()
find_package(QCDloop 2)
if(${QCDloop_FOUND})
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHEJ_BUILD_WITH_QCDLOOP")
include_directories(SYSTEM ${QCDloop_INCLUDE_DIRS})
endif()
add_subdirectory(src)
## define executable
add_executable(HEJ src/bin/HEJ.cc)
## link libraries
target_link_libraries(HEJ hejlib)
add_executable(HEJ-config src/bin/HEJ-config.cc)
file(GLOB hej_headers ${CMAKE_CURRENT_SOURCE_DIR}/include/HEJ/*.hh ${PROJECT_BINARY_DIR}/include/HEJ/*.hh)
file(GLOB lhef_headers ${CMAKE_CURRENT_SOURCE_DIR}/include/LHEF/*.h)
install(FILES ${hej_headers} DESTINATION ${INSTALL_INCLUDE_DIR})
install(FILES ${lhef_headers} DESTINATION include/LHEF/)
install(TARGETS HEJ HEJ-config DESTINATION ${INSTALL_BIN_DIR})
## tests
enable_testing()
set(tst_dir "${CMAKE_CURRENT_SOURCE_DIR}/t")
add_executable(test_classify ${tst_dir}/test_classify.cc)
add_executable(test_psp ${tst_dir}/test_psp.cc)
add_executable(test_ME_generic ${tst_dir}/test_ME_generic.cc)
add_executable(check_res ${tst_dir}/check_res.cc)
add_executable(check_lhe ${tst_dir}/check_lhe.cc)
add_library(scales SHARED ${tst_dir}/scales.cc)
add_executable(test_scale_import ${tst_dir}/test_scale_import)
add_executable(test_descriptions ${tst_dir}/test_descriptions)
+add_executable(test_scale_arithmetics ${tst_dir}/test_scale_arithmetics)
target_link_libraries(test_classify hejlib)
target_link_libraries(test_psp hejlib)
target_link_libraries(test_ME_generic hejlib)
target_link_libraries(check_res hejlib)
target_link_libraries(check_lhe hejlib)
target_link_libraries(test_scale_import hejlib)
target_link_libraries(test_descriptions hejlib)
+target_link_libraries(test_scale_arithmetics hejlib)
## add tests
add_test(
NAME t_classify
COMMAND test_classify ${tst_dir}/classify.lhe.gz
)
add_test(
NAME t_psp
COMMAND test_psp ${tst_dir}/psp_gen.lhe.gz
)
set(tst_ME_data_dir "${tst_dir}/ME_data")
add_test(
NAME t_ME_j
COMMAND test_ME_generic ${tst_ME_data_dir}/config_mtinf.yml ${tst_ME_data_dir}/ME_jets.dat ${tst_ME_data_dir}/PSP_jets.lhe.gz
)
add_test(
NAME t_ME_h
COMMAND test_ME_generic ${tst_ME_data_dir}/config_mtinf.yml ${tst_ME_data_dir}/ME_h_mtinf.dat ${tst_ME_data_dir}/PSP_h.lhe.gz
)
if(${QCDloop_FOUND})
add_test(
NAME t_ME_h_mt
COMMAND test_ME_generic ${tst_ME_data_dir}/config_mt.yml ${tst_ME_data_dir}/ME_h_mt.dat ${tst_ME_data_dir}/PSP_h.lhe.gz
)
add_test(
NAME t_ME_h_mtmb
COMMAND test_ME_generic ${tst_ME_data_dir}/config_mtmb.yml ${tst_ME_data_dir}/ME_h_mtmb.dat ${tst_ME_data_dir}/PSP_h.lhe.gz
)
endif()
add_test(
NAME t_2j
COMMAND check_res ${tst_dir}/2j.lhe.gz 3.49391e+07 419684
)
add_test(
NAME t_3j
COMMAND check_res ${tst_dir}/3j.lhe.gz 2.37902e+06 25746.6
)
add_test(
NAME t_4j
COMMAND check_res ${tst_dir}/4j.lhe.gz 603713 72822.6
)
add_test(
NAME t_h_3j
COMMAND check_res ${tst_dir}/h_3j.lhe.gz 0.821622 0.0220334
)
add_test(
NAME t_h_3j_uno
COMMAND check_res ${tst_dir}/h_3j_uno.lhe.gz 0.0261968 0.000341549 uno
)
if(${HepMC_FOUND})
file(READ "${tst_dir}/jet_config.yml" config)
file(WRITE "${tst_dir}/jet_config_withHepMC.yml" "${config} - tst.hepmc")
if(${rivet_FOUND})
file(READ "${tst_dir}/jet_config_withHepMC.yml" config)
file(WRITE "${tst_dir}/jet_config_withRivet.yml" "${config}\n\nanalysis:\n rivet: MC_XS\n output: tst")
add_test(
NAME t_main
COMMAND HEJ ${tst_dir}/jet_config_withRivet.yml ${tst_dir}/2j.lhe.gz
)
else()
add_test(
NAME t_main
COMMAND HEJ ${tst_dir}/jet_config_withHepMC.yml ${tst_dir}/2j.lhe.gz
)
endif()
if(${HepMC_VERSION_MAJOR} GREATER 2)
add_executable(check_hepmc ${tst_dir}/check_hepmc.cc)
target_link_libraries(check_hepmc hejlib)
add_test(
NAME t_hepmc
COMMAND check_hepmc tst.hepmc
)
endif()
else()
add_test(
NAME t_main
COMMAND HEJ ${tst_dir}/jet_config.yml ${tst_dir}/2j.lhe.gz
)
endif()
add_test(
NAME t_lhe
COMMAND check_lhe tst.lhe
)
add_test(
NAME t_scale_import
COMMAND test_scale_import ${tst_dir}/jet_config_with_import.yml
)
add_test(
NAME t_descriptions
COMMAND test_descriptions
)
+add_test(
+ NAME t_scale_arithmetics
+ COMMAND test_scale_arithmetics ${tst_dir}/jet_config.yml ${tst_dir}/2j.lhe.gz
+ )
diff --git a/t/test_scale_arithmetics.cc b/t/test_scale_arithmetics.cc
new file mode 100644
index 0000000..015dd6a
--- /dev/null
+++ b/t/test_scale_arithmetics.cc
@@ -0,0 +1,87 @@
+
+// Generic tester for the ME for a given set of PSP
+// reference weights and PSP (as LHE file) have to be given as _individual_ files
+
+#include <fstream>
+
+#include "LHEF/LHEF.h"
+
+#include "HEJ/EventReweighter.hh"
+#include "HEJ/make_RNG.hh"
+#include "HEJ/Event.hh"
+#include "HEJ/YAMLreader.hh"
+#include "HEJ/stream.hh"
+
+constexpr double alpha_s = 0.118;
+constexpr double ep = 1e-13;
+
+void dump(HEJ::Event const & ev){
+ {
+ LHEF::Writer writer{std::cout};
+ std::cout << std::setprecision(6);
+ writer.hepeup = to_HEPEUP(std::move(ev), nullptr);
+ writer.writeEvent();
+ }
+ std::cout << "Rapidity ordering:\n";
+ for(const auto & part: ev.outgoing()){
+ std::cout << std::setw(2) << part.type << ": "<< std::setw(7) << part.rapidity() << std::endl;
+ }
+}
+
+int main(int argn, char** argv){
+ if(argn != 3){
+ std::cerr << "\n# Usage:\n."<< argv[0] <<" config.yml input_file.lhe\n\n";
+ return EXIT_FAILURE;
+ }
+ HEJ::Config config = HEJ::load_config(argv[1]);
+ config.scales = HEJ::to_ScaleConfig(
+ YAML::Load("scales: [H_T, 1 * H_T, 2/2 * H_T, 2*H_T/2, H_T/2*2, H_T/2/2*4, H_T*H_T/H_T]")
+ );
+
+ HEJ::istream in{argv[2]};
+ LHEF::Reader reader{in};
+
+ auto ran = HEJ::make_RNG(config.rng.name, config.rng.seed);
+
+ HEJ::ScaleGenerator scale_gen{
+ config.scales.base,
+ config.scales.factors,
+ config.scales.max_ratio
+ };
+
+ HEJ::EventReweighter resum{
+ reader.heprup,
+ std::move(scale_gen),
+ to_EventReweighterConfig(config),
+ *ran
+ };
+
+ size_t i = 0;
+ while(reader.readEvent()){
+ ++i;
+
+ HEJ::Event event{
+ HEJ::UnclusteredEvent{reader.hepeup},
+ config.resummation_jets.def,
+ config.resummation_jets.min_pt
+ };
+
+ auto resummed = resum.reweight(event, config.trials);
+ for(auto && ev: resummed) {
+ for(auto &&var: ev.variations()) {
+ if(std::abs(var.muf - ev.central().muf) > ep) {
+ std::cerr
+ << std::setprecision(15)
+ << "unequal scales: " << var.muf
+ << " != " << ev.central().muf << '\n'
+ << "in resummed event:\n";
+ dump(ev);
+ std::cerr << "\noriginal event:\n";
+ dump(event);
+ return EXIT_FAILURE;
+ }
+ }
+ }
+ }
+
+}

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