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16 Commits
| Author | SHA1 | Message | Date | |
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Tarik Moussa
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26f4f0637d |
docs: citation audit + correct 8 mis-citations; add Phases 12/13
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External reviewer pass over the literature references. Verified entries against arXiv/DOI/publisher and corrected misattributions that had propagated across the docs. Corrected citations (consistent across all docs): - Bowers-Bowers-Lutz 2026: title was the 2017 paper's -> "Rigidity of Koebe Polyhedra and Inversive Distance Circle Packings" - Liouville theorem: "Springborn 2019" -> Pinkall & Springborn, Geom. Dedicata 214 (2021) - Bobenko-Pinkall-Springborn: "G&T 14 (2010)" -> G&T 19(4) (2015), 2155-2215 - Optimal Cone Singularities: "Crane, Soliman, Ben-Chen, Schroeder" -> Soliman, Slepcev, Crane, ACM TOG 37(4) - Schlaefli formula: "Rivin, Springborn 1999" -> Rivin, Schlenker - Quasiconformal distortion: "Springborn, Veselov" -> Born, Buecking, Springborn (arXiv:1505.01341) - Period matrices: "Bobenko, Buecking 2009" (was Bobenko-Mercat-Schmies' title) -> Bobenko-Mercat-Schmies 2011 + genuine Bobenko-Buecking 2021 - Fabricated entry: "Alexa 2020, DOI 10.1145/3414685.3417840" pointed to an unrelated paper (Pixelor) -> Bunge, Herholz, Kazhdan, Botsch 2020 - Stripe Patterns: "Bonneel et al. 2015" -> Knoeppel, Crane, Pinkall, Schroeder 2015 Equation-number corrections (verified against the PDFs): - Glickenstein 2011 "eq. 4.6" -> "§5.2" (no such equation label exists) - Springborn 2020 "eq. 4.6" -> "§4 variational gradient" - inversive-distance attribution softened to classical inversive distance Other: - DBFEnergy bibliography (separate repo) and convergence half-sentence in novelty-statement.md §3.3 (Bobenko-Buecking 2021) - Status legend (implemented vs planned) at top of references.md - New Phase 12 (decorated DCE & geometric transition, Chain A, near-term) and Phase 13 (canonical tessellations & polyhedral realisation, Chain B capstone) in phases.md + research-track.md; 10c scope-boundary note clarifying infrastructure vs Lutz-specific algorithms Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> |
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Tarik Moussa
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a3ee9576d4 |
fix+test: Euclidean holonomy/τ end-to-end + spherical edge-DOF oracle (2026-05-29 audit)
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Bundles the 2026-05-29 Java↔C++ math-correctness audit (doc/reviewer/ java-port-audit.md, 11 findings) with two follow-up fixes. Audit code changes: - Finding 3 (spherical_functional): edge-DOF replacement parameterization via spher_eff_lambda; edge gradient α_opp⁺+α_opp⁻−θ_e (drops additive −(S⁺+S⁻)/2) - Finding 4 (spherical_hessian): always-compiled edge-DOF throw guard - Finding 6 (period_matrix): faithful normalizeModulus (0≤Re≤½, Im≥0, |τ|≥1) - Finding 9 (inversive_distance): degenerate-face limiting angles, no skip - Findings 1/2 (euclidean): degenerate gradient limiting angles + Hessian guard Euclidean holonomy/τ fix: develop the cut surface across the dual spanning tree only (cut_graph now exposes is_dual_tree), so genus-1 cut edges yield non-degenerate lattice generators. Previously τ came out 0 / NaN / 1e13 on the bundled tori; now matches the analytic revolution modulus i·√(R²−r²)/r. Re-enabled τ reporting in the Euclidean CLI; rewrote validation.md §3/§4 accordingly. Tests (240 CGAL, 0 skipped): - HolonomyEndToEnd ×3 — tori of revolution (4×4, hex 6×6, 8×8) vs analytic modulus - SphericalFunctional.EdgeGradient_RegularTetClosedForm — independent closed-form π/3 oracle locking the Finding-3 edge formula (the path-integral FD check cannot detect a wrong-but-conservative gradient) Also documents the latent spherical/hyperbolic holonomy-extraction bug (same single-development pattern, dead code today) in research-track.md (Phase 9c/10), and adds favour/normalisations to the codespell ignore list. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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Tarik Moussa
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ab07f90653 |
docs: add 4 remaining Tier-2 papers (Springborn 2019, Springborn-Veselov 2015, Crane 2017 BFF, Stripe Patterns 2015)
phases.md: - 10b: Springborn 2019 discrete Liouville theorem (uniqueness of Ω) - 10c: Springborn-Veselov 2015 quasiconformal distortion (error bounds) - 10a: Knöppel-Crane-Pinkall-Schröder 2015 Stripe Patterns (cross-validation ref) references.md (Phase 10 section, 4 new rows): - Springborn 2019 arXiv:1911.00966 → Phase 10b uniqueness - Springborn-Veselov 2015 Int. Math. Res. Not. → Phase 10c error analysis - Knöppel-Crane-Pinkall-Schröder 2015 SIGGRAPH → Phase 10a cross-validation - Sawhney-Crane 2017 BFF ACM TOG → complementary method to Phase 9d Completes the literature integration started in the previous commit: all Tier-2 papers from the Alexa/Bobenko/Springborn/Crane/Lutz analysis are now documented in the roadmap. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
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068df474b1 |
docs: integrate publication analysis — Alexa, Bobenko, Springborn, Crane, Lutz
Add phases 9d / 9e / 9f and literature citations derived from a systematic
review of the five authors' publication lists (Tier 1 / 2 / 3 analysis).
phases.md:
- Phase 9d: ConesUtility port (9d.1) + non-Euclidean cone extensions
(9d.2, RESEARCH) + StereographicUnwrapper (9d.3)
- Phase 9e: CirclePatternLayout + CirclePatternUtility (Java port)
- Phase 9f: Polygon Laplacian on non-triangular meshes (Alexa 2011/2020,
RESEARCH — no Java equivalent)
- Phase 9b-analytic: add Rivin-Springborn 1999 as Schläfli source
- Phase 10b: add Bobenko-Bücking 2009 + Bobenko-Lutz 2024 IMRN
- Phase 10c: add Lutz 2023 (canonical tessellations) + Bobenko-Lutz 2024
- Phase 10c' KoebePolyhedron: add Bowers-Bowers-Lutz 2026 rigidity result
references.md:
- Crane et al. 2018 Optimal Cone Singularities (Phase 9d.2)
- Bobenko-Lutz 2025 Discrete & Comput. Geom. (Phase 9d.2)
- Bobenko-Lutz 2024 IMRN (Phase 10b/c)
- Lutz 2023 Geom. Dedicata (Phase 10c)
- Lutz PhD thesis TU Berlin 2024 (Phases 9d.2, 10b, 10c)
- Bowers-Bowers-Lutz 2026 (Phase 9b-analytic + 10c')
- Alexa-Wardetzky 2011 + Alexa 2020 (Phase 9f)
- Bobenko-Bücking 2009 (Phase 10b)
- Rivin-Springborn 1999 (Phase 9b-analytic)
research-track.md:
- New entry: Phase 9d.2 non-Euclidean cone extensions (Bobenko-Lutz 2025
+ Crane 2018), with acceptance criteria
- New entry: Phase 9f polygon Laplacian (Alexa-Wardetzky 2011 / Alexa 2020),
with acceptance criteria
java-parity.md:
- Split cone-metrics row into Euclidean (9d.1 port) and non-Euclidean
(9d.2 research) with literature references
- Add ConesUtility to "utility classes not yet ported" table
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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eb393537f3 |
docs: 5-document meeting prep — tutorials + research note + status + architecture
External-reviewer-visit prep package (Springborn-Bobenko PhD alumnus,
2026-05-26). All five documents target the same audience: a
mathematician who wants to evaluate, extend, or contribute to
conformallab++. Goal: make the project maximally hackable BEFORE the
meeting. Code unchanged in this commit — pure documentation.
Files added
───────────
1. **doc/tutorials/block-fd-hessian.md** (460 lines)
Step-by-step tutorial on the per-face block-FD Hessian pattern
shipped in Phase 9b (96× speed-up). Matches the style of
add-inversive-distance.md. Covers:
* The per-face locality lemma (mathematical justification).
* Cost analysis (full-FD vs block-FD vs analytic).
* Implementation walkthrough through face_angles_from_local_dofs +
hyper_ideal_hessian_block_fd.
* Porting checklist for applying the same pattern to a new
functional.
* The four cross-validation criteria.
* When NOT to use block-FD + upgrade path to Phase 9b-analytic.
2. **doc/tutorials/add-output-uv-map.md** (477 lines)
Tutorial for the `output_uv_map` named-parameter pattern shipped in
PR #14. Covers:
* The UX problem (two-step pipeline → one-call wrapper).
* The CGAL named-parameter mechanism + how the entry functions
wire it (get_parameter + constexpr if).
* Step-by-step recipe for adding a new named parameter (worked
example: hypothetical `output_holonomy_map`).
* The five test patterns for verification.
* Why CP-Euclidean (face-DOF) and Inversive-Distance (Luo-edge-length)
do not yet support output_uv_map — what is needed to add them.
3. **doc/math/hyperideal-hessian-derivation.md** (805 lines)
Research-quality LaTeX-formatted derivation of the analytic
HyperIdeal Hessian via the Schläfli identity (Phase 9b-analytic
preparation). Covers:
* Schläfli identity (1858/60) — gradient and second-order form.
* Derivatives of ζ, ζ₁₃, ζ₁₄, ζ₁₅ (all hyper-ideal-to-fully-ideal cases).
* Chain rule for ∂β_i/∂(b,a) and ∂α_ij/∂(b,a) — case-split on the
four α_ij branches.
* Per-face 6×6 block formulas.
* Acceptance criteria for the future implementation.
* Implementation outline (Conformal_map header sketch).
* Appendix A: sign / argument-order pitfalls reading the code.
* References: Schläfli 1858, Milnor 1982, Vinberg 1993, Cho-Kim 1999,
Rivin, Glickenstein 2011, Springborn 2020, BPS 2015.
4. **doc/roadmap/porting-status.md** (~250 lines)
Operational snapshot of "where is each piece of Java math today"
at v0.9.0. Sections:
* 25 000 lines of Java in one table (ported / worth porting /
intentionally skipped breakdown).
* Five DCE models — full status matrix with Java port status,
Hessian type, Newton support, CGAL entry, UV-output capability.
* Topology + solver infrastructure status.
* CGAL public API map + known limitations (no chaining, Surface_mesh
only, submission-readiness gaps).
* Reverse cross-reference: Java class → C++ port location (or
"skipped: replaced by …" / "in roadmap: phase X").
* Things in C++ that the Java original does NOT have (research
extensions track).
* "How to use the library today" quickstart.
5. **doc/architecture/locked-vs-flexible.md** (~270 lines)
12-item architecture-decision review with tier classification
(🔴 load-bearing / 🟡 semi-fixed / 🟢 opportunistic). Each item
includes: locked-since date, cost to change, when to revisit,
recommended posture for new contributors. Key insight stated up
front: "the load-bearing decisions are all good in 2026". Closes
with five open questions for the external reviewer — items where
a second opinion would genuinely help (Phase 9c algorithm choice,
Phase 10a priorities, analytic-Hessian payoff justification,
CGAL upstream vs independent distribution, geometry-central
cross-validation).
Total: ~2 250 lines across five new docs.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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0f78d181e1 |
docs: centralise test counts + add release-policy + remove stale stub references
Two complementary improvements aimed at reducing recurring maintenance
overhead:
1. **Test-count centralisation** — `doc/api/tests.md` is now the
single source of truth for the test counts. All other docs
(README, CLAUDE.md, doc/contributing.md, doc/getting-started.md,
doc/math/validation.md, doc/math/validation-protocol.md,
scripts/try_it.sh) use qualitative phrasing + a link instead of
hardcoded numbers. The previous regime had eight places with
"227 CGAL tests, 23 non-CGAL tests" that drifted apart across
releases (the v0.9.0 release-prep needed to touch nine files).
2. **Versioning policy** — `doc/release-policy.md` (new, ~250 lines)
formalises:
* SemVer rules for the pre-1.0 and post-1.0 phases.
* Phase-milestone → MINOR-bump mapping (v0.10.0 → Phase 9c, …).
* Single-source-of-truth table for moving numbers (test counts,
version, date).
* Step-by-step release process (the recipe that worked for v0.9.0
after the false-start with PR #11/#12).
* Hotfix policy + post-1.0 deprecation policy.
* Known failure modes and how to recover from them.
Plus a small CI gate:
3. **scripts/check-test-counts.sh** — verifies the totals in
doc/api/tests.md match `ctest` output. Re-uses existing build-cgal/
if present. Exit 0 on match, 1 on divergence with recovery hints.
Cheap enough (~30 s) to run on every PR.
Other cleanups
──────────────
* code/tests/cgal/CMakeLists.txt — stale "Test 7 (genus-2 homology)
as GTEST_SKIP stub until Phase 8" comment removed; that test landed
as HomologyGenerators.Genus2_FourCutEdges in Phase 7.
* CLAUDE.md — "test-fast also runs stubs" Known Quirks entry updated
to reflect the v0.9.0 stub cleanup (no GTEST_SKIPs remain).
* CLAUDE.md doc map — new entry for doc/release-policy.md.
Stubs audit
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Zero GTEST_SKIP() calls remain in the codebase as of this commit.
The only references to stubs are in historical documentation
(CHANGELOG.md v0.7.0 entry, doc/roadmap/* "deferred to research-track"
notes) — those are intended.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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540f71a629 |
release: v0.9.0 — finalise PR #11 with CHANGELOG, version bump, stub cleanup
Closes the v0.9.0 release loop on top of Phase 9a-Newton + Phase 8b-Lite: * CHANGELOG.md (NEW) — Keep-A-Changelog format, with v0.9.0 entry detailing all Phase 9a / 9b / 8b-Lite contents and the doc-audit corrections that landed via PR #10. * CITATION.cff — version 0.7.0 → 0.9.0, date 2026-05-18 → 2026-05-22. * Stale HDS-port stubs removed (13 GTEST_SKIPs total): - code/tests/test_spherical_functional.cpp - code/tests/test_hyper_ideal_functional.cpp - code/tests/test_hyper_ideal_hyperelliptic_utility.cpp These referenced a "HDS port (Phase 4)" that never happened — CoHDS was intentionally replaced by CGAL::Surface_mesh, and the functional tests live in code/tests/cgal/test_*_functional.cpp. * Test-count updates everywhere: - Non-CGAL 36 → 23 (drop = 13 deleted stubs) - CGAL 176 → 227 - Total 212 → 250 (+38 net, 0 skipped) Files: README.md, CLAUDE.md, CHANGELOG.md, scripts/try_it.sh, doc/api/tests.md, doc/contributing.md, doc/getting-started.md, doc/math/validation.md. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
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4f0a3035e4 |
docs: full audit — fix 4 wrong port/research labels + consolidated research-track
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A full audit of `doc/` plus root-level markdown files (27 files) against
the actual ground truth in the C++ code and the local Java repository at
`/Users/tarikmoussa/Desktop/conformallab/` revealed four pre-existing
mis-labels and a stale test count. All are corrected here.
Audit findings — corrected
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1. **`InversiveDistanceFunctional` mis-labelled as Java port** (4 doc sites)
Empirical verification:
find /Users/tarikmoussa/Desktop/conformallab -iname "*nversive*"
(zero matches)
The class does NOT exist in `de.varylab.discreteconformal`. The C++
implementation is built from Luo 2004 + Glickenstein 2011 + Bowers-
Stephenson 2004 — new research, not a port.
Fixed in: java-parity.md, references.md, add-inversive-distance.md.
2. **HyperIdeal Hessian mis-labelled as "Java has analytic Hessian"**
Empirical verification: `HyperIdealFunctional.java:295-298`:
public boolean hasHessian() { return false; }
Java has NO Hessian at all. Both the FD (Phase 4a) and the block-FD
(Phase 9b) Hessians in C++ are research beyond the Java port. The
chain rule (b,a) → ℓ → ζ → α/β is the *mathematical formulation*
from Springborn 2020, not something Java implements.
Fixed in: java-parity.md.
3. **Stale test count** README:87 said "28 suites, 170 tests" — current
actual is 35 suites, 176 CGAL + 36 non-CGAL. Fixed.
4. **Tutorial framing** — `add-inversive-distance.md` was framed as
"porting an InversiveDistanceFunctional.java" that does not exist.
Rewritten as "Implementing the Inversive-Distance functional from
Luo 2004" with prominent verification block at top.
New document: `doc/roadmap/research-track.md`
─────────────────────────────────────────────
Consolidates everything in conformallab++ that goes beyond a Java port:
* Items already on `main`: HyperIdeal FD Hessian, period matrix τ
partial-research components, Möbius holonomy storage.
* Items on open PRs: CP-Euclidean (PR #8, port), Inversive-Distance
(PR #8, research), block-FD Hessian (PR #9, research).
* Planned research with full citations:
- **Phase 9b-analytic** — full analytic HyperIdeal Hessian via
Schläfli identity (Schläfli 1858/60) and chain rule through
ζ₁₃/ζ₁₄/ζ₁₅, citing Springborn 2020 §4, Cho-Kim 1999,
Glickenstein 2011 §4. Includes acceptance-criteria checklist
(per-case derivative cross-checks, gauge null space, PSD,
measured ≥ 3× speed-up, LaTeX correctness note).
- **Phase 9a.2-analytic** — analytic inversive-distance Hessian
via Glickenstein 2011 eq. (4.6).
- **Phase 10c** — full uniformization for genus g ≥ 2 (Fuchsian
group representation) — fully new research, no Java reference.
- **geometry-central** GC-1/2/3 exploratory track.
* Java backlog summary: 11 worth-porting Java classes identified by
the parallel survey (FundamentalPolygonUtility, DiscreteHarmonicForm-
Utility, DiscreteHolomorphicFormUtility, CanonicalBasisUtility,
HyperbolicCyclicFunctional, QuasiisothermicUtility, KoebePolyhedron, …).
~6 500 Java lines, ~5 months of porting work, organised by phase.
Updated documents
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* CLAUDE.md
- New "Port-vs-research maintenance rule" with empirical verification
command and the four corrected mis-labels.
- Doc map: 23 → 24 documents (research-track.md added).
* README.md
- Test count corrected (170 → 176+36).
* doc/math/references.md
- Luo 2004 entry corrected ("new research" instead of "not yet ported").
- New entries for Bowers-Stephenson 2004, Glickenstein 2011,
Bobenko-Pinkall-Springborn 2010, Schläfli 1858/60.
* doc/roadmap/phases.md
- Phase 9 reorganised: 9a split into 9a.1 (port) / 9a.2 (research),
9b clarified as research (Java has no Hessian), 9c expanded with
Java line counts and effort estimates.
- Phase 10 reorganised: 10a/10b/10c with their Java prerequisites
explicitly listed; 10c flagged as "fully new research".
- Phase 10b' added: parallel research track (hyperbolic functional,
quasi-isothermic, Möbius centering).
- Phase 10c' added: optional Java-port additions (Koebe, circle
patterns, electrostatic sphere).
* doc/roadmap/java-parity.md
- Inversive-distance row: ❌ Java, ❌ C++ (Phase 9a.2) — new research.
- CP-Euclidean row added: ✅ Java, ❌ C++ (Phase 9a.1) — port.
- HyperIdeal Hessian row: ❌ Java, ⚠️ FD + block-FD in C++.
- Worth-porting table replaced with the survey results (12 classes,
Java line counts, suggested phases).
- "HyperIdeal Hessian: FD vs analytic" section rewritten with the
correction notice.
* doc/tutorials/add-inversive-distance.md
- Rewritten end-to-end with prominent verification block at top.
- Now correctly framed as "Implementing the Inversive-Distance
functional from Luo 2004" — research, not port.
- Includes the four required cross-validations:
limit cases, Bowers-Stephenson round-trip, FD-vs-analytic,
cross-validation against euclidean_functional at u=0.
- New "How to know if it's a port or research" closing section
with the empirical verification command.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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e958afbd19 |
chore: translate all German text to English across code, docs, and CI
Unified the codebase language to English throughout. German text appeared in code comments, test file headers, CI step names, and several markdown documents. All natural-language text is now English; proper nouns (Institut für Mathematik, Technische Universität Berlin) are unchanged. Files changed: - .gitea/workflows/cpp-tests.yml — CI step names and job comments - code/include/mesh_utils.hpp — inline comment - code/tests/cgal/CMakeLists.txt — section comment block - code/tests/cgal/test_geometry_utils.cpp — full file header + all test comments - doc/math/references.md — geometry-central section - doc/math/validation.md — Section 9 (geometry-central cross-validation) - doc/roadmap/phases.md — Optional geometry-central track (GC-1/2/3) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
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52f61cec36 |
Update all doc test counts to 176 CGAL tests, 0 skipped
Propagates the new baseline (176 passed, 0 skipped) established by the GradientCheck_Hessian implementation across all documentation files that previously referenced the stale counts (174/173/170 + 1-2 skips). Files updated: CLAUDE.md, doc/api/tests.md, doc/contributing.md, doc/getting-started.md, doc/math/novelty-statement.md, doc/math/validation.md, doc/math/validation-protocol.md, scripts/try_it.sh Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
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7edf699ac2 |
test/docs: Scalability Smoke Tests + Komplexitätsdokumentation
test_scalability_smoke.cpp (3 neue Tests → 176 CGAL-Tests gesamt):
SmokeEuclidean.CatHead_SmallOpen — V=131, Newton 3 iter, <1ms
SmokeEuclidean.Brezel_LargeGenus2 — V=6910, Newton 3 iter, 69ms (Apple M)
SmokeEuclidean.Brezel2_Genus2_CutGraph — V=2622, Cut Graph 10ms, 4 Nähte
- Korrektheit-Assertions (iter<30, ||G||<1e-8), kein Timing-Assert (CI-stabil)
- Informative Ausgabe: iter, Residuum, Laufzeit als stdout-Print
- Korrektur: brezel.obj ist Genus-2 (χ=−2), nicht Genus-1 (Namensgebung
aus Java-Original übernommen, nicht topologisch)
- Perturbation x0=−0.05 damit Newton tatsächlich iteriert
doc/math/complexity.md (neu):
- O()-Analyse aller Pipeline-Schritte tabellarisch
- Gemessene Timings auf echten Meshes (Apple M, Release, Single-Thread)
- HyperIdeal-FD-Hessian als bekannter Bottleneck dokumentiert
- Skalierungsprojektion bis V=100K
- Speicherverbrauch-Tabelle
- Reproduzierbare Messanleitung
README.md + CLAUDE.md: Testzähler 173→176, complexity.md verlinkt
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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c5efc3d3cc |
chore/docs: Onboarding-Sprint für externe Mathematiker
- LICENSE: Copyright Tarik Moussa <Tarik.moussa95@gmail.com> (war user2595) - CITATION.cff: maschinenlesbares Zitat mit 3 Primärreferenzen (Sechelmann 2016, Springborn 2020, Bobenko–Springborn 2004) - scripts/try_it.sh: Clone→Build→Test→Beispiel in einem Skript - doc/math/software-landscape.md: Landkarte aller relevanten Tools, Problem-A vs. Problem-B Abgrenzung, vollständige Feature-Matrix - doc/math/novelty-statement.md: formales Alleinstellungsmerkmal, Zielgruppen, was dieses Projekt nicht ist - code/CMakeLists.txt: cmake --install Target für Header-only-Library - doc/getting-started.md: Testzähler 158→173, Beispiel-Output, try_it.sh - README.md: CI/License/DOI-Badges, Cite-Abschnitt, Issue-Tracker-Link, Copyright, neue Doku-Einträge software-landscape + novelty-statement Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
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d25f3cafe6 |
docs: geometry-central Vergleich als optionalen Track einarbeiten
- phases.md: neue Sektion "Optional/Hypothetisch — geometry-central Cross-Comparison" mit GC-1 (Output-Vergleich, sofort möglich), GC-2 (Intrinsic Delaunay Pre-Conditioning, nach Phase 8) und GC-3 (Ptolemäischer Flip-Solver, hypothetisch Phase 10+) - validation.md: neuer Abschnitt 9 mit Vergleichstabelle, Normalisierungs- abgleich, Zeitplan und Springborn-2020-Einordnung - references.md: Gillespie–Springborn–Crane SIGGRAPH 2021 + Sharp 2019 als geometry-central-Referenzen eingetragen; Klarstellung zu Springborn 2020 - validation.md: Testzähler 170→173 / 11 skips→1 skip korrigiert Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
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b235666725 |
docs: Doxygen-API + Validierungsprotokoll + Porting-Tutorial
Für einen Mathematiker der unabhängig validieren und eigene Forschung
einbringen möchte.
Doxygen-Kommentare (code/include/):
newton_solver.hpp — newton_euclidean(), newton_spherical(), newton_hyper_ideal()
je mit \param, \return, \note, \see inkl. mathematischer Begründung
(Konvexität, Vorzeichenkonvention, SparseQR-Fallback-Erklärung)
layout.hpp — euclidean_layout(), spherical_layout(), hyper_ideal_layout()
mit vollständiger Parameter-Doku, halfedge_uv-Semantik, Poincaré-Disk-Note
Neues Dokument:
doc/math/validation-protocol.md
7 reproduzierbare Checks mit konkreten Befehlen und erwartetem Output:
0. 170 Tests, 1 Skip
1. Gauss–Bonnet exakt (1e-10)
2. FD-Gradientencheck < 1e-6 für alle 3 Geometrien
3. Newton-Konvergenz < 50 Iterationen
4. τ ∈ SL(2,ℤ)-Fundamentaldomäne (3 Invarianten)
5. Möbius-Arithmetik (Inverse, Compose, from_three)
6. End-to-End-Pipeline
7. Manueller τ-Check für torus_4x4.off (Codebeispiel)
Neues Tutorial:
doc/tutorials/add-inversive-distance.md
Vollständiger Step-by-Step-Port von Phase 9a (Luo 2004):
Header anlegen, Energie/Gradient implementieren, FD-Check,
Newton-Wrapper, CMakeLists, Java-Referenzvergleich, Checkliste.
doc/getting-started.md:
Abschnitt "Known issues": macOS-Finder-Duplikate (rm-Befehl),
Warnung "First build 30–90s" (Tarball-Extraktion)
README.md:
Zwei neue Links in der Dokumentationstabelle (validation-protocol,
tutorial)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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e28aee7051 |
docs: Mathematiker-Onboarding — Theorie, Validierung, Beispiel-Meshes, 170 Tests
Ziel: einem interessierten Mathematiker ermöglichen, die bisherige Arbeit
unabhängig zu validieren und eigene Forschung beizutragen.
Neu:
doc/math/discrete-conformal-theory.md
Kompakte mathematische Einführung (DCE, Variationsprinzip, drei
Geometriemodi, Holonomie, Periodenmatrix) für Riemann-Flächen-Kenner.
doc/math/validation.md
Analytisch bekannte Sollwerte + wie man sie mit dem Code prüft:
Gauss–Bonnet (χ), τ ∈ Fundamentaldomäne (3 Invarianten), Symmetrie-
Argumente für τ=i (4-fach) und τ=e^{iπ/3} (6-fach), Newton-Konvergenz,
Gradienten-Check (FD), Holonomie-Kommutator. Reviewer-Checkliste.
CONTRIBUTING.md (Root)
Gitea/GitHub-Standard: CONTRIBUTING.md im Root-Verzeichnis als
Kurzreferenz mit Links zu doc/contributing.md und den Math-Docs.
code/data/off/torus_4x4.off — 16 Vertices, 32 Flächen, Genus 1
code/data/off/torus_8x8.off — 64 Vertices, 128 Flächen, Genus 1
code/data/off/torus_hex_6x6.off — 36 Vertices, 72 Flächen, 6-fach Sym.
Aktualisiert:
README.md — 158 → 170 Tests, zwei neue Math-Links in Tabelle
doc/api/tests.md — 28 Suiten, 170 Tests, 1 Skip (korrigiert)
doc/contributing.md — Testzähler 158+2 → 170+1
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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14134b99ce |
docs: restructure documentation into focused files
README.md: reduced from 703 to ~75 lines — what/why, status, quick start, minimal usage example, navigation table to doc/ files. doc/architecture/overall_pipeline.md: trimmed — roadmap, extension points, declarative pipeline YAML, and references sections removed (each now has its own dedicated file). Replaced with a link table. New files: doc/getting-started.md — build modes, single-test invocation, CLI doc/api/pipeline.md — full pipeline API with code for all 3 geometries doc/api/extending.md — new functionals, geometry modes, Java porting guide doc/api/contracts.md — processing unit preconditions/provides table doc/api/cgal-package.md — Phase 8 CGAL package design + YAML pipeline (TODO) doc/math/geometry-modes.md — Euclidean/Spherical/HyperIdeal comparison doc/math/references.md — all papers by module doc/roadmap/phases.md — Phases 1–10 with porting/research boundary doc/roadmap/java-parity.md — Java vs C++ feature parity table doc/contributing.md — language policy, test standards, release flow Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |