e70689d29f
Phase 4a — newton_solver.hpp:
- newton_euclidean(): SimplicialLDLT on H (PSD); solves H·Δx = −G
- newton_spherical(): SimplicialLDLT on −H (NSD→PSD); solves (−H)·Δx = G
- Backtracking line search (halving α up to 20×) for global convergence
- NewtonResult struct: x, iterations, grad_inf_norm, converged
- 7 tests: 4 spherical (convergence, few iters, large perturbation,
field consistency) + 3 Euclidean (triangle pinned, quad pinned,
mixed pinned — all with natural-theta equilibrium at x=0)
Phase 4b — mesh_io.hpp:
- read_mesh() / write_mesh(): CGAL::IO::read/write_polygon_mesh wrappers
- load_mesh() / save_mesh(): throwing convenience versions
- Supports OFF, OBJ, PLY (format detected by file extension)
- 6 tests: OFF round-trip (tet + quad), OBJ round-trip, missing-file throw,
vertex-position preservation, save/load convenience wrappers
All 75 cgal tests pass (3 skipped as before).
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
62 lines
2.3 KiB
CMake
62 lines
2.3 KiB
CMake
# tests/cgal/CMakeLists.txt
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#
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# CGAL-dependent test target. Only built when -DWITH_CGAL=ON.
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# Requires Boost (find_package(Boost REQUIRED) is called in the root CMakeLists).
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#
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# Run with:
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# cmake -S code -B build -DWITH_CGAL=ON
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# cmake --build build --target conformallab_cgal_tests
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# ctest --test-dir build -R cgal
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add_executable(conformallab_cgal_tests
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# ── Phase 3a: mesh infrastructure ──────────────────────────────────────
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test_conformal_mesh.cpp
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# ── Phase 3b: HyperIdealFunctional ─────────────────────────────────────
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test_hyper_ideal_functional.cpp
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# ── Phase 3c + 3e: SphericalFunctional + gauge-fix ────────────────────
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test_spherical_functional.cpp
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# ── Phase 3d: EuclideanCyclicFunctional ───────────────────────────────
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test_euclidean_functional.cpp
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# ── Phase 3f: Hessians (cotangent Laplacian, spherical + Euclidean) ───
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test_euclidean_hessian.cpp
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test_spherical_hessian.cpp
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# ── Phase 4a: Newton solver ────────────────────────────────────────────
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test_newton_solver.cpp
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# ── Phase 4b: Mesh I/O (CGAL::IO) ─────────────────────────────────────
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test_mesh_io.cpp
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)
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target_include_directories(conformallab_cgal_tests SYSTEM PRIVATE
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${CMAKE_SOURCE_DIR}/deps/eigen-3.4.0
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${CMAKE_SOURCE_DIR}/deps/CGAL-6.1.1/include
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${Boost_INCLUDE_DIRS}
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)
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target_include_directories(conformallab_cgal_tests PRIVATE
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${CMAKE_SOURCE_DIR}/include
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)
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target_compile_definitions(conformallab_cgal_tests PRIVATE
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CGAL_DISABLE_GMP
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CGAL_DISABLE_MPFR
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)
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# Suppress warnings from CGAL/Boost headers
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target_compile_options(conformallab_cgal_tests PRIVATE
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$<$<CXX_COMPILER_ID:GNU,Clang,AppleClang>:-Wno-unused-parameter>
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)
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target_link_libraries(conformallab_cgal_tests PRIVATE GTest::gtest_main)
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include(GoogleTest)
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gtest_discover_tests(conformallab_cgal_tests
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TEST_PREFIX "cgal."
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DISCOVERY_TIMEOUT 60
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)
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