Add initial implementation of cecxx

.clang-format

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+

.clangd

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+CompileFlags:
+  Add: '-std=c++23'

.env

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+CXX="clang++-19"
+CC="clang-19"

.github/workflows/CMocka-test.yml

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+name: "CMocka-test"
+on:
+  pull_request:
+  push:
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: cachix/install-nix-action@v13
+      with:
+        nix_path: nixpkgs=channel:nixos-unstable
+    - uses: workflow/nix-shell-action@v1
+      with:
+        packages: cmake,cmocka
+        script: |
+          nix-shell --command "bash test.sh"

.gitignore

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+build/*
+dist/*
+build-*/*
+.cache/*
+legacy/*
+include/cecxx/benchmark/defaults.hpp
+data/*

.gitmodules

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+[submodule "third-party/concurrentqueue"]
+	path = third-party/concurrentqueue
+	url = https://github.com/cameron314/concurrentqueue.git
+[submodule "deps/concurrentqueue/include/concurrentqueue"]
+	path = deps/concurrentqueue/include/concurrentqueue
+	url = https://github.com/cameron314/concurrentqueue.git

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.19)
+set(PROJECT_VER 0.2.1)
+
+project(cecxx
+  VERSION ${PROJECT_VER}
+  DESCRIPTION "An implementation of CECs benchmarks in C++23"
+  LANGUAGES CXX
+)
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
+
+include(Package)
+include(ProjectConfig)
+
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+include(GenerateExportHeader)
+
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+set(ROOT_DIR ${CMAKE_SOURCE_DIR})
+set(HEADER_DIR ${ROOT_DIR}/include)
+set(SOURCE_DIR ${ROOT_DIR}/src)
+
+file(
+  GLOB_RECURSE
+  HEADERS
+  CONFIGURE_DEPENDS
+  ${HEADER_DIR}/*.hpp
+  ${HEADER_DIR}/**/*.hpp
+)
+
+file(
+  GLOB_RECURSE
+  SOURCES
+  CONFIGURE_DEPENDS
+  ${SOURCE_DIR}/*.cpp
+  ${SOURCE_DIR}/**/*.cpp
+  ${SOURCE_DIR}/*.hpp
+  ${SOURCE_DIR}/**/*.hpp
+)
+
+if (BUILD_SHARED_LIBS)
+  set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+endif()
+
+add_library(cecxx)
+target_sources(cecxx PRIVATE ${SOURCES})
+target_sources(cecxx PUBLIC FILE_SET HEADERS BASE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/include" FILES ${HEADERS})
+target_compile_options(cecxx PRIVATE ${COMPILE_FLAGS})
+target_compile_features(cecxx PRIVATE cxx_std_23)
+
+message(STATUS "The cecxx library is going to be compiled with the following additional flags: ${COMPILE_FLAGS}")
+
+configure_file(defaults.hpp.in ${CMAKE_CURRENT_SOURCE_DIR}/include/cecxx/benchmark/defaults.hpp) 
+generate_export_header(cecxx)
+
+write_basic_package_version_file("${PROJECT_BINARY_DIR}/cecxxConfigVersion.cmake"
+  VERSION ${PROJECT_VER}
+  COMPATIBILITY AnyNewerVersion
+)
+
+# include(CPack)
+#
+# install(TARGETS cecxx EXPORT cecxxTargets FILE_SET HEADERS)
+# install(EXPORT cecxxTargets NAMESPACE cecxx:: DESTINATION lib/cmake/cecxx)
+# install(DIRECTORY ${PROJECT_SOURCE_DIR}/data/ DESTINATION "${BENCHMARK_DATA_STORAGE}")
+
+if (WITH_EXAMPLES)
+  add_subdirectory(example)
+endif()
+
+if (WITH_BENCHMARKS)
+  add_subdirectory(benchmark)
+endif()
+
+if (WITH_TESTS)
+  if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+    add_subdirectory(test)
+  else()
+    message(WARNING "To build tests, use clang (>=19) compiler. Current CXX compiler: ${CMAKE_CXX_COMPILER}")
+  endif()
+endif(WITH_TESTS)

Justfile

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+set dotenv-load
+
+alias i := init_build
+alias b := build
+alias p := package
+alias e := exe
+alias t := test
+alias c := clean
+
+cxx_compiler := "${CXX}"
+c_compiler := "${CC}"
+build_dir := "build-" + cxx_compiler
+ncores := `nproc`
+
+
+default:
+  @just --list
+
+init_build: clean
+  mkdir -p {{build_dir}}
+  cd {{build_dir}} && CC={{c_compiler}} CXX={{cxx_compiler}} cmake -DWITH_TESTS=on -DWITH_EXAMPLES=on .. 
+  ln -fs {{build_dir}}/compile_commands.json compile_commands.json
+
+build: 
+  cd {{build_dir}} && make -j {{ncores}}
+
+exe:
+  ./{{build_dir}}/example/evaluator/evaluator_example
+
+
+test $fuzz_duration: 
+  #!/usr/bin/env bash
+  set -euo pipefail
+  dimensions=(10 30 50 100)
+  GREEN='\033[0;32m'
+  NO_COLOR='\033[0m'
+  for dim in ${dimensions[@]}; do
+    echo -e "${GREEN} Running compliance tests for dimension ${dim}. Duration: ${fuzz_duration} ${NO_COLOR}"
+    unzip -o "${PWD}/data/cec2017.zip" -d "${PWD}/data"
+    ASAN_OPTIONS=detect_leaks=0 ./{{build_dir}}/test/cecxx-fuzz --fuzz="Cec2017ComplianceTest.Cec2017D${dim}ImplsAreEquiv" --fuzz_for={{fuzz_duration}} || true
+  done
+
+package:
+  cd {{build_dir}} && cpack 
+
+clean: 
+  rm -rf {{build_dir}}
+
+fmt: 
+  find src -iname '*.hpp' -o -iname '*.cpp' | xargs clang-format -i
+  find include -iname '*.hpp' -o -iname '*.cpp' | xargs clang-format -i