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cmake_minimum_required(VERSION 3.30)
set(CMAKE_EXPERIMENTAL_CXX_IMPORT_STD "d0edc3af-4c50-42ea-a356-e2862fe7a444")
if(APPLE AND CMAKE_CXX_COMPILER MATCHES "/opt/homebrew/.*/llvm/")
set(CMAKE_CXX_COMPILER_ID_ARG1 "-B/opt/homebrew/opt/llvm/lib/c++/")
set(CMAKE_CXX_FLAGS_INIT "-B/opt/homebrew/opt/llvm/lib/c++/")
endif()
project(linear_algebra_cpp VERSION 0.1.0 LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_CXX_MODULE_STD ON)
option(LINEAR_ALGEBRA_BUILD_TESTS "Build unit tests" ON)
set(LINEAR_ALGEBRA_SIMD "AUTO" CACHE STRING "SIMD backend for matmul: AUTO (uses NEON on ARM, scalar otherwise), or NONE")
set_property(CACHE LINEAR_ALGEBRA_SIMD PROPERTY STRINGS AUTO NONE)
add_library(linear_algebra)
add_library(linear_algebra::core ALIAS linear_algebra)
target_sources(linear_algebra
PUBLIC
FILE_SET CXX_MODULES FILES
src/linalgebra.cpp
src/linalgebra_error.cpp
src/vector.cpp
src/matrix.cpp
src/norms.cpp
src/triangular_solve.cpp
src/lu.cpp
src/qr.cpp
src/qr_iteration.cpp
src/cholesky.cpp
src/sym_eigen.cpp
src/svd.cpp
src/iterative.cpp
src/precond.cpp
src/expm.cpp
)
target_compile_features(linear_algebra PUBLIC cxx_std_23)
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
target_compile_options(linear_algebra PRIVATE -Wall -Wextra -Wpedantic -Wconversion)
if(LINEAR_ALGEBRA_SIMD STREQUAL "NONE")
target_compile_definitions(linear_algebra PRIVATE LINEAR_ALGEBRA_FORCE_SCALAR_MATMUL=1)
elseif(LINEAR_ALGEBRA_SIMD STREQUAL "AUTO")
else()
message(FATAL_ERROR "Unsupported LINEAR_ALGEBRA_SIMD value: ${LINEAR_ALGEBRA_SIMD}")
endif()
elseif(MSVC)
target_compile_options(linear_algebra PRIVATE /W4 /permissive-)
if(LINEAR_ALGEBRA_SIMD STREQUAL "NONE")
target_compile_definitions(linear_algebra PRIVATE LINEAR_ALGEBRA_FORCE_SCALAR_MATMUL=1)
elseif(NOT LINEAR_ALGEBRA_SIMD STREQUAL "AUTO")
message(FATAL_ERROR "Unsupported LINEAR_ALGEBRA_SIMD value: ${LINEAR_ALGEBRA_SIMD}")
endif()
endif()
if(LINEAR_ALGEBRA_BUILD_TESTS)
include(FetchContent)
FetchContent_Declare(
Catch2
GIT_REPOSITORY https://github.com/catchorg/Catch2.git
GIT_TAG v3.5.4
)
FetchContent_MakeAvailable(Catch2)
enable_testing()
add_executable(linear_algebra_tests
tests/test_vector.cpp
tests/test_matrix.cpp
tests/test_triangular_solve.cpp
tests/test_lu.cpp
tests/test_qr.cpp
tests/test_qr_iteration.cpp
tests/test_cholesky.cpp
tests/test_sym_eigen.cpp
tests/test_svd.cpp
tests/test_iterative.cpp
tests/test_precond.cpp
tests/test_expm.cpp
)
target_link_libraries(linear_algebra_tests
PRIVATE
linear_algebra::core
Catch2::Catch2WithMain
)
include(Catch)
catch_discover_tests(linear_algebra_tests)
endif()
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