0f5ab27461
arXiv:math/0603097 is Springborn 2008 ("A variational principle for weighted
Delaunay triangulations and hyperideal polyhedra"), not a Kolpakov-Mednykh paper.
The author pair Kolpakov & Mednykh has no joint publication from 2006; their
earliest collaboration is arXiv:1008.0312 (2010, on torus knots, unrelated).
The wrong author name was introduced during the Java→C++ port — the Java source
correctly links to math/0603097 without naming the authors; whoever ported it
invented "Kolpakov-Mednykh". The S1 citation audit (2026-05-31) then cemented
the error by adding the incorrect row to references.md.
Files corrected (7):
- code/include/hyper_ideal_utility.hpp
- code/include/hyper_ideal_functional.hpp
- code/tests/cgal/test_hyper_ideal_functional.cpp
- doc/math/references.md
- doc/roadmap/research-track.md
- doc/architecture/project-structure.md
- doc/api/tests.md
Also:
- doc/reviewer/math-derivation-citation-audit-2026-05-31.md: M1 post-correction noted
- doc/reviewer/finding-orchestration.md: lesson-learned section added (AI citation
audits can introduce plausible-but-wrong attributions; human expert review required
before CGAL submission)
- papers/MANUAL-DOWNLOAD.md: overview of papers requiring manual download (paywalled
journals, TU Berlin theses, books)
- .gitignore: papers/*.pdf excluded (downloaded arXiv PDFs, not tracked)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
91 lines
6.7 KiB
Markdown
91 lines
6.7 KiB
Markdown
# Test Suites
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## `conformallab_tests` — always built (no CGAL)
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Pure-math tests, only Eigen required. Covers Java utilities ported in Phase 1–2.
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| File | What it tests |
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|---|---|
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| `test_clausen.cpp` | Clausen Cl₂, Lobachevsky Л, ImLi₂ — values at known points |
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| `test_hyper_ideal_utility.cpp` | Tetrahedron volumes (Meyerhoff / Springborn 2008) + Java golden-value oracle (Clausen/Л/ImLi₂, ζ₁₃/₁₄/₁₅/ζ, both volume formulas) |
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| `test_matrix_utility.cpp` | Matrix helpers |
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| `test_surface_curve_utility.cpp` | Surface curve utilities |
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| `test_discrete_elliptic_utility.cpp` | Discrete elliptic functions |
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| `test_p2_utility.cpp` | P2 projective utilities |
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| `test_hyper_ideal_visualization_utility.cpp` | Poincaré disk projection, circumcircle |
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**Total: 26 tests, 0 skipped.**
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---
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## `conformallab_cgal_tests` — built with `-DWITH_CGAL_TESTS=ON` or `-DWITH_CGAL=ON`
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All tests have CTest prefix `cgal.` (set via `TEST_PREFIX "cgal."` in CMakeLists).
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| Suite | File | Tests | What is verified |
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|---|---|---:|---|
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| `ConformalMeshTopology` | `test_conformal_mesh.cpp` | 4 | Euler characteristic, vertex/edge/face counts |
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| `ConformalMeshTraversal` | `test_conformal_mesh.cpp` | 4 | Halfedge iteration, valence, opposite |
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| `ConformalMeshProperties` | `test_conformal_mesh.cpp` | 5 | Property maps (λ, θ, idx, α, geometry type) |
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| `ConformalMeshValidity` | `test_conformal_mesh.cpp` | 1 | CGAL validity for all factory meshes |
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| `HyperIdealFunctional` | `test_hyper_ideal_functional.cpp` | 7 | FD gradient checks + Hessian symmetry |
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| `SphericalFunctional` | `test_spherical_functional.cpp` | 13 | Angle formula + gradient + gauge-fix + cross-module Hessian check + closed-form edge-DOF oracle |
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| `SphericalGoldenJava` | `test_spherical_functional.cpp` | 3 | Java golden oracles: (1) law-of-cosines angles + β relations + Л energy term; (2) full-mesh tetrahedron — per-vertex gradient + ΔE; (3) full-mesh **edge-DOF** gradient (vertex + edge components, Finding 3) vs raw `conformalEnergyAndGradient` |
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| `EuclideanFunctional` | `test_euclidean_functional.cpp` | 12 | Angle formula + gradient + cross-module Hessian check |
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| `EuclideanGoldenJava` | `test_euclidean_functional.cpp` | 2 | Java golden oracles: (1) angle formula + 2·Л(α) energy term; (2) full-mesh tetrahedron — per-vertex gradient + ΔE vs real `EuclideanCyclicFunctional` |
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| `EuclideanHessian` | `test_euclidean_hessian.cpp` | 9 | Cotangent Laplacian structure, FD agreement, PSD, null space |
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| `SphericalHessian` | `test_spherical_hessian.cpp` | 8 | Derivative correctness, NSD at equilibrium |
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| `NewtonSolver` | `test_newton_solver.cpp` | 11 | Convergence: Euclidean ×3, Spherical ×4, HyperIdeal ×4 |
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| `SparseQRFallback` | `test_newton_solver.cpp` | 3 | Full-rank LDLT · singular matrix → QR · closed mesh gauge mode |
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| `MeshIO` | `test_mesh_io.cpp` | 6 | OFF/OBJ round-trips, error handling |
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| `Pipeline` | `test_pipeline.cpp` | 5 | End-to-end: build → setup → solve → export → reload |
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| `Layout` | `test_layout.cpp` | 6 | Edge-length preservation (Eucl./Spher.), Poincaré disk layout |
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| `Serialization` | `test_layout.cpp` | 2 | JSON and XML round-trips (DOF vector + layout UVs) |
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| `GaussBonnet` | `test_phase6.cpp` | 12 | χ, genus, sum/RHS, deficit, check, enforce |
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| `CutGraph` | `test_phase6.cpp` | 6 | Tree-cotree, open/closed meshes, flag–index consistency |
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| `HyperbolicTrilateration` | `test_phase6.cpp` | 4 | Möbius + law of cosines: exact distances, disk interior, off-origin |
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| `Normalisation` | `test_phase6.cpp` | 4 | Euclidean centroid, length ratios, Möbius centring |
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| `MobiusMap` | `test_phase7.cpp` | 8 | Identity, inverse, compose, `from_three`, `apply(Vector2d)` |
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| `BestRootFace` | `test_phase7.cpp` | 2 | Valid root face selection, interior bonus |
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| `HalfedgeUV` | `test_phase7.cpp` | 4 | Size = number of half-edges, seam consistency, boundary half-edges = 0 |
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| `PriorityBFS` | `test_phase7.cpp` | 3 | Success, no seam on open meshes, all vertices placed |
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| `NormaliseEuclidean` | `test_phase7.cpp` | 2 | UV centroid = 0, halfedge_uv centroid = 0 |
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| `PeriodMatrix` | `test_phase7.cpp` | 8 | τ ∈ ℍ, SL(2,ℤ) reduction, exception outside ℍ, Java `normalizeModulus` golden oracle |
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| `FundamentalDomain` | `test_phase7.cpp` | 7 | Genus-1 parallelogram CCW, generators, g > 1 empty |
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| `TilingCopy/Neighbourhood` | `test_phase7.cpp` | 4 | Translation correct, tile count |
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| `HolonomyEndToEnd` | `test_phase7.cpp` | 3 | Full pipeline τ on tori of revolution (4×4, hex 6×6, 8×8) vs analytic modulus i·√(R²−r²)/r |
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| `CuttingUtility` | `test_geometry_utils.cpp` | 3 | `point_in_triangle_2d`: false, true, unit triangle (Java CuttingUtilityTest) |
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| `UnwrapUtility` | `test_geometry_utils.cpp` | 2 | Corner angle: collinear → π, equilateral → π/3 (Java UnwrapUtilityTest) |
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| `ConvergenceUtility` | `test_geometry_utils.cpp` | 6 | Circumradius + scale-invariant R_f/√A (Java ConvergenceUtilityTests) |
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| `EuclideanLayout` | `test_geometry_utils.cpp` | 2 | Euclidean layout round-trip edge lengths |
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| `SphericalLayout` | `test_geometry_utils.cpp` | 1 | Spherical layout on unit sphere |
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| `HomologyGenerators` | `test_geometry_utils.cpp` | 1 | Genus-2 cut graph: χ = −2, 4 cut edges (`brezel2.obj`) |
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| `SmokeEuclidean` | `test_scalability_smoke.cpp` | 3 | Smoke tests on real meshes: CatHead (open), Brezel genus-1, Brezel2 genus-2 |
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| `CGALConformalTraits` | `test_cgal_traits_mvp.cpp` | 2 | Phase 8a MVP traits + Default model |
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| `CGALDiscreteConformalMap` | `test_cgal_traits_mvp.cpp` | 6 | Phase 8a MVP wrapper smoke tests |
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| `CPEuclideanFunctional` | `test_cp_euclidean_functional.cpp` | 10 | Phase 9a.1 — BPS-2010 face-based packing (Java parity) |
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| `InversiveDistanceFunctional` | `test_inversive_distance_functional.cpp` | 11 | Phase 9a.2 — Luo-2004 vertex-based packing (from literature) |
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| `HyperIdealHessian` | `test_hyper_ideal_hessian.cpp` | 7 | Phase 9b — block-FD vs full-FD cross-validation + PSD + speed-up |
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| `NewtonPhase9a` | `test_newton_phase9a.cpp` | 7 | Phase 9a-Newton — convergence for the two new circle-packing solvers |
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| `CGALPhase8bLite` | `test_cgal_phase8b_lite.cpp` | 17 | Phase 8b-Lite — CGAL entries for all 5 DCE models + `output_uv_map` (Euclidean, Spherical, HyperIdeal, Inversive-Distance) + CP-Euclidean throws-clearly + pipe-operator chaining |
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**Total: 246 tests, 0 skipped.**
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---
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## Running tests
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```bash
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# All CGAL tests
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ctest --test-dir build -R "^cgal\." --output-on-failure
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# One suite
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./build/conformallab_cgal_tests --gtest_filter="PeriodMatrix*"
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# One specific test
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./build/conformallab_cgal_tests --gtest_filter="PeriodMatrix.TauInUpperHalfPlane"
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# Verbose output with timing
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./build/conformallab_cgal_tests --gtest_filter="NewtonSolver*" --gtest_print_time=1
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```
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