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feat(phase3a): introduce CGAL Surface_mesh as ConformalMesh foundation

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Replaces the Java CoHDS with CGAL::Surface_mesh<Point3> (Simple_cartesian
kernel). Adds domain-specific property maps for lambda/theta/idx/alpha and
face geometry type — the direct C++ equivalent of CoVertex/CoEdge adapters.

New files:
  include/conformal_mesh.hpp   — ConformalMesh type + property-map helpers
  include/mesh_builder.hpp     — mesh factories (triangle, tetrahedron,
                                 quad-strip, fan) for tests and examples
  tests/cgal/                  — second test executable (conformallab_cgal_tests)
                                 built only with -DWITH_CGAL=ON

Test results (local, -DWITH_CGAL=ON):
  conformallab_tests:      36 registered | 23 passed | 13 skipped | 0 failed
  conformallab_cgal_tests: 14 registered | 14 passed |  0 skipped | 0 failed

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Tarik Moussa
2026-05-11 18:36:21 +02:00
parent ae5db7216e
commit bf9c323d60
5 changed files with 496 additions and 0 deletions
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48
code/tests/cgal/CMakeLists.txt Normal file
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# tests/cgal/CMakeLists.txt
#
# CGAL-dependent test target. Only built when -DWITH_CGAL=ON.
# Requires Boost (find_package(Boost REQUIRED) is called in the root CMakeLists).
#
# Run with:
# cmake -S code -B build -DWITH_CGAL=ON
# cmake --build build --target conformallab_cgal_tests
# ctest --test-dir build -R cgal
add_executable(conformallab_cgal_tests
# ── Phase 3a: mesh infrastructure ──────────────────────────────────────
test_conformal_mesh.cpp
# ── Phase 3b: HyperIdealFunctional (to be added) ──────────────────────
# test_hyper_ideal_functional.cpp
# ── Phase 3c: SphericalFunctional (to be added) ──────────────────────
# test_spherical_functional.cpp
)
target_include_directories(conformallab_cgal_tests SYSTEM PRIVATE
${CMAKE_SOURCE_DIR}/deps/eigen-3.4.0
${CMAKE_SOURCE_DIR}/deps/CGAL-6.1.1/include
${Boost_INCLUDE_DIRS}
)
target_include_directories(conformallab_cgal_tests PRIVATE
${CMAKE_SOURCE_DIR}/include
)
target_compile_definitions(conformallab_cgal_tests PRIVATE
CGAL_DISABLE_GMP
CGAL_DISABLE_MPFR
)
# Suppress warnings from CGAL/Boost headers
target_compile_options(conformallab_cgal_tests PRIVATE
$<$<CXX_COMPILER_ID:GNU,Clang,AppleClang>:-Wno-unused-parameter>
)
target_link_libraries(conformallab_cgal_tests PRIVATE GTest::gtest_main)
include(GoogleTest)
gtest_discover_tests(conformallab_cgal_tests
TEST_PREFIX "cgal."
DISCOVERY_TIMEOUT 60
)