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Update Eigen to version 5.0.1 and streamline CMake configuration #23

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Merged
oberbichler merged 4 commits into from
May 20, 2026
Merged

Update Eigen to version 5.0.1 and streamline CMake configuration #23

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b7daacd
fix: update Eigen version to 5.0.1 and streamline CMake configuration
oberbichler May 20, 2026
a6843b8
Merge branch 'main' into feature/eigen-5
oberbichler May 20, 2026
4f89a0e
feat: upgrade Eigen from 3.4.0 to 5.0.1
oberbichler May 20, 2026
20c8c7f
fix: add _USE_MATH_DEFINES as compile definition for MSVC M_PI support
oberbichler May 20, 2026
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13 changes: 8 additions & 5 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -15,13 +15,15 @@ find_package(nanobind CONFIG REQUIRED)
FetchContent_Declare(
eigen
GIT_REPOSITORY https://gitlab.com/libeigen/eigen.git
GIT_TAG 3.4.0
GIT_TAG 5.0.1
GIT_SHALLOW TRUE
SYSTEM
EXCLUDE_FROM_ALL
)
FetchContent_Populate(eigen)

add_library(Eigen3::Eigen INTERFACE IMPORTED)
target_include_directories(Eigen3::Eigen INTERFACE "${eigen_SOURCE_DIR}")
set(EIGEN_BUILD_DOC OFF CACHE BOOL "" FORCE)
set(EIGEN_BUILD_TESTING OFF CACHE BOOL "" FORCE)
set(BUILD_TESTING OFF CACHE BOOL "" FORCE)
FetchContent_MakeAvailable(eigen)

find_package(BLAS QUIET)

Expand All @@ -37,6 +39,7 @@ target_include_directories(hypergraph PRIVATE
target_link_libraries(hypergraph PRIVATE Eigen3::Eigen)

target_compile_definitions(hypergraph PRIVATE
_USE_MATH_DEFINES
EIGEN_DEFAULT_TO_ROW_MAJOR
HYPERGRAPH_VERSION="${SKBUILD_PROJECT_VERSION}"
HYPERGRAPH_EXCEPTIONS
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