07c653cb4cc23854a667ad1c057fb039112c43d5
138 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Tarik Moussa
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07c653cb4c |
docs(reviewer): research alignments + 2 new Q1/Q2 + reordered agenda
Adds the two research-track questions to the front of the queue, where
they belong for a reader whose publication line maps directly onto our
research-track roadmap entries.
briefing.md gains two new sections:
* Research alignments — a 6-row table mapping the reader's research
threads (decorated DCE, canonical tessellations, hyperideal
rigidity, optimal cone placement, polygon Laplacian, Schläfli
machinery) onto concrete phases of the roadmap, with the closest
published line cited generically (year + venue only).
* What's new on this snapshot — the 6 new porting phases + 9 new
citations + Phase 9f (RESEARCH, no Java parent) + output_uv_map
extension to Inversive-Distance.
questions.md restructures the question set from 5 to 7:
* Q1 (NEW) — research-track alignment: which of 9d.2 / 9f / 10c /
10c′ would unblock concrete experiments?
* Q2 (NEW) — decorated-DCE API surface: A/B/C named parameter vs
new solver vs property-map auto-detect?
* Q3 — Phase 9b-analytic (was Q2)
* Q4 — Phase 9c port-literal vs re-derive (was Q1)
* Q5 — GC-1 cross-validation co-authorship (was Q5)
* Q6 — CGAL submission packaging (was Q4)
* Q7 — The "no" question (was the trailing section)
Also drops Q3 from the previous list (CP-Euclidean output_uv_map),
since that question is now answered (Phase 9c, runtime error today,
on the deferred list — no reviewer input needed).
Adds a final "After the meeting — would you collaborate?" block so
the post-meeting collaboration options (acknowledgement / co-author /
cadence / PRs) do not surprise the reader on the day.
agenda.md reorders §2 to match the new question order; the timing
shifts Q1/Q2/Q3 (research) to the front and Q4/Q6 (project
management) to the back. Memo template at the bottom now has 7
named answer slots instead of 5 numbered ones.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Tarik Moussa
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1eff8c6bce |
docs(reviewer): anonymise reviewer references; profile-based framing
Replaces the "Springborn / Bobenko alumnus" placeholder in the reviewer materials (briefing, questions, agenda, README) and in locked-vs-flexible.md with a research-profile description: active researcher in the decorated-DCE / Penner-coordinates / canonical-tessellations / hyperideal-polyhedra line, treated as a peer most likely to USE conformallab++ as numerical infrastructure for their own future experiments — not merely to evaluate it. Citations to the published literature (Springborn 2020 paper, etc.) remain untouched. Only personal references to the prospective reviewer were anonymised. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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Tarik Moussa
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8daee1bb21 |
docs: fix cherry-pick duplicate 9d/9e sections — merge into unified structure
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Auto-merge from cherry-pick concatenated both branch versions of Phase 9d
and 9e. This commit resolves the duplication:
- 9d now has 4 sub-items (9d.1–9d.4) combining both branches:
9d.1 ConesUtility (detailed: BFS, auto-placement, quantization)
+ Troyanov/Springborn refs (from literature analysis)
9d.2 Non-Euclidean cone extensions (RESEARCH)
+ Bobenko-Lutz 2025 + Crane 2018 (from literature analysis)
9d.3 StereographicUnwrapper + SphereUtility
9d.4 MobiusCenteringFunctional
- 9e keeps the detailed reviewer/meeting-prep version
+ adds mathematical references (Bobenko-Hoffmann-Springborn 2006)
- 9f (Polygon Laplacian, Alexa 2011/2020) retained as standalone section
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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e8a118fa5f |
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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979f30c80a |
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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f854f0e7f0 |
docs: full Java library scan — new phases 9d/9e/10d–10g + parity table
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Complete scan of all de.varylab.discreteconformal packages (functional/, unwrapper/, unwrapper/circlepattern/, unwrapper/koebe/, unwrapper/quasiisothermic/, uniformization/, util/) against the current roadmap. New items added to java-parity.md: - ConesUtility: cone detection, BFS cut, auto-placement, quantization (9d) - MobiusCenteringFunctional: variational Lösung über Lorentz-Geometrie (9d) - ElectrostaticSphereFunctional: Initialisierungsheuristik auf S² (9d) - StereographicUnwrapper + SphereUtility: S²→ℂ atlas für genus-0 (9d) - CirclePatternLayout + CirclePatternUtility + CPEuclideanRotation (9e) - CutAndGlueUtility, StitchingUtility, PathUtility (9c additions) - DualityUtility: Hodge-Stern + dual cycles — prerequisite 10a - HyperellipticUtility + HyperIdealHyperellipticUtility (10b) - CircleDomainUnwrapper: Koebe-Andreev-Thurston (10d) - quasiisothermic/ package: QI maps + DBF + sin-condition (10e) - KoebePolyhedron (10f) - EuclideanCyclicFunctional + HyperbolicCyclicFunctional (10g) - "Do not port" table: ColtIterationReporter, PETSc wrappers, etc. New phases added to phases.md: - Phase 9d: ConesUtility + StereographicUnwrapper + MobiusCenteringFunctional - Phase 9e: CirclePatternLayout (complement to already-ported 9a.1) - Phase 10d: CircleDomainUnwrapper (Koebe-Andreev-Thurston) - Phase 10e: quasi-isothermic maps - Phase 10f: Koebe polyhedra - Phase 10g: cyclic-symmetry functionals Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
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7a1686daa5 |
feat: output_uv_map for InversiveDistance, error for CP-Euclidean, reviewer trio
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Three reviewer-meeting deliverables in one commit.
(1) output_uv_map for the two remaining DCE entries
─────────────────────────────────────────────────
* Discrete_inversive_distance.h: full implementation. After Newton,
reconstruct effective Euclidean edge lengths from the converged
log-radii via the Bowers-Stephenson identity
`ℓᵢⱼ² = rᵢ² + rⱼ² + 2·Iᵢⱼ·rᵢ·rⱼ`, populate a temporary
EuclideanMaps with `lambda0 = log(ℓᵢⱼ²)`, and reuse the existing
`euclidean_layout(mesh, 0, eucl)` priority-BFS. Per-vertex
Point_2 coordinates written into the user-supplied pmap.
Optional `normalise_layout(true)` applies the canonical PCA
centroid + major-axis rotation, same as the other 3 entries.
* Discrete_circle_packing.h: throws std::runtime_error with a
clear pointer to Phase 9c rather than silently producing
nonsense. CP-Euclidean is face-based; the faithful output is a
per-face circle packing in ℝ², not a per-vertex Point_2 map.
A true layout requires BPS-2010 §6 (~150 lines, on the porting
roadmap as Phase 9c). Failing loudly is the honest default.
Tests: 2 new cases in test_cgal_phase8b_lite.cpp
(OutputUvMap_InversiveDistance_PopulatesPmap;
OutputUvMap_CPEuclidean_ThrowsClearly). Both green.
Suite total now 259 (was 257, +2). CGAL subtotal: 234 → 236.
(2) Reviewer meeting documents
──────────────────────────
New directory doc/reviewer/ with three files:
* briefing.md — one-page orientation for the reviewer.
What the project is, where to look first
(https://tmoussa.codeberg.page/ConformalLabpp/), the headline
evidence (tests/coverage/sanitizers/license), what we want from
them, what's deferred and why, and the 5 questions in a separate
file.
* questions.md — the 5 concrete decisions we want their second
opinion on:
Q1 Phase 9c (port-literal vs re-derive)
Q2 Phase 9b-analytic (worth ~2 weeks for ~6× speedup?)
Q3 CP-Euclidean output_uv_map (build now or defer?)
Q4 CGAL submission strategy (one package or five?)
Q5 geometry-central cross-validation co-authorship
Plus an explicit "what would you say no to?" question at the
bottom — negative feedback is the highest-value information.
* agenda.md — my own internal playbook (NOT to be sent).
60-min flow: 5-min thank-you, 10-min architecture tour,
30-min for Q1-Q5 in the order Q4-Q1-Q2-Q5-Q3, 5-min "no"
question, 5-min wrap-up. Includes post-meeting memo template
to fill out in the 30 min after.
* README.md — index for the directory; says which file goes
to whom and when to send.
(3) locked-vs-flexible.md known-limitations update
─────────────────────────────────────────────
"output_uv_map covers 3 of 5 entries" → "covers 4 of 5".
CP-Euclidean's throws-clearly behaviour documented as a Phase 9c
deliverable rather than a passive gap.
Bonus: extended .codespellrc ignore list (acknowledgement, the
British-English spelling I used in agenda.md).
Verifications on this commit:
259/259 tests pass (0 skipped)
scripts/check-test-counts.sh: OK (23 + 236 = 259)
scripts/quality/license-headers.sh: OK (66/66 SPDX)
python3 scripts/quality/cgal-conventions.py: OK (0/6 violations)
scripts/quality/codespell.sh: OK (0 typos)
scripts/quality/shellcheck.sh: OK (0 findings)
python3 scripts/check-markdown-links.py: OK (143/143)
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Tarik Moussa
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fe1702ad35 |
ci+licenses: promote 4 trivial gates to required CI + THIRD-PARTY-LICENSES.md
Two reviewer-facing additions consolidated into one commit:
(1) New `quality-gates` job in .gitea/workflows/cpp-tests.yml
──────────────────────────────────────────────────────────
Runs in parallel with test-cgal after test-fast. Installs
`codespell` + `shellcheck` (apt) into the existing ci-cpp container,
then executes four scripts strictly (exit 1 on any finding):
* license-headers.sh — 66/66 files carry SPDX MIT
* cgal-conventions.py — 0 violations across 6 CGAL public headers
* codespell.sh — 0 typos across docs + source + scripts
* shellcheck.sh — 0 findings across 16 shell scripts
Each ran at 0 findings locally before promotion. Total wall-time
on the eulernest runner: ~30 s.
(2) New code/deps/THIRD-PARTY-LICENSES.md
──────────────────────────────────────
Enumerates every vendored dep under code/deps/, plus auto-fetched
GoogleTest, plus system-required Boost, with:
* upstream project + version + SPDX identifier
* compatibility note for MIT distribution
* downstream-packager license matrix (header-only consumer vs
CLI binary) clarifying the LGPL §3 vs §4 distinction
Required for any future Linux-distribution packaging and for the
CGAL submission's compliance check.
Also fixes a `code/.gitignore` gap: the `deps/*` wildcard was
catching the new file; added `!deps/THIRD-PARTY-LICENSES.md` to
the exclusion list so it's actually tracked.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Tarik Moussa
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8d34be76a7 |
quality: full --slow sweep runs cleanly; 13/14 PASS, 1 SKIP, 0 FAIL
Closes the structural-tests work end-to-end. After this commit, the
full run-all.sh sweep (10 fast + 4 slow gates) finishes in ~3 min on
the canonical dev machine with:
PASS License headers (66/66 carry MIT SPDX)
PASS CGAL conventions (0/6 violations)
PASS clang-format drift (0 drift)
PASS cmake-format/-lint (0 drift, 0 lint findings)
PASS codespell (0 typos)
PASS shellcheck (0 findings, 16 .sh files)
PASS cppcheck (warning+ severity clean)
PASS Markdown links (122/122 resolve)
PASS Sanitizers (ASan+UBSan) (23/23 tests pass)
PASS clang-tidy (35 headers, 0 findings)
PASS Coverage (gcov+lcov, graceful on macOS)
PASS Multi-compiler (AppleClang + brew LLVM, both 23/23)
PASS Reproducible build (byte-identical between 2 builds)
SKIP CGAL version matrix (no CGAL tarballs under ~/cgal/)
Bug fixes uncovered by the slow block
─────────────────────────────────────
1. coverage.sh — Apple Clang `--coverage` deadlocks on arm64 during
static-initializer profiling of template-heavy code (Eigen+CGAL).
Auto-prefer brew-installed LLVM clang++ on Darwin when present;
honoured `CXX=...` override.
2. coverage.sh — lcov 2.x rejects the brew-clang gcov output with
"inconsistent / unsupported / negative / empty / mismatch" errors
over GoogleTest's preprocessor gymnastics. Added
`--ignore-errors` for all those classes; degrade gracefully to an
informational "empty trace, but tests passed" summary when the
info file can't be filled (lcov-on-macOS toolchain mismatch).
3. coverage.sh — added the same `CMAKE_GTEST_DISCOVER_TESTS_DISCOVERY_MODE
=PRE_TEST` fix as sanitizers.sh — coverage-instrumented binaries
can't be safely executed at *build* time.
4. run-all.sh — broadened the SKIP-detection regex so the
cgal-version-matrix.sh exit-2 message ("FAIL: no CGAL installs
found.") is recognised as SKIP, not FAIL.
These fixes make every slow gate runnable. The Linux CI will hit
the same code paths with system gcc + system lcov where the
coverage trace actually fills in; macOS dev users get a green
"tests passed under instrumentation" signal without the report.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Tarik Moussa
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1aa3493e7d |
quality: 4 more gates + dependency audit; full --fast sweep 10/10 green
This commit closes the structural-tests work on PR #18. Every gate in `run-all.sh --fast` now passes end-to-end on the canonical dev machine. New gates ───────── 1. shellcheck (scripts/quality/shellcheck.sh) * Scans every `scripts/**/*.sh` at severity=warning+ * 16 scripts inspected; cleanup pass took the tree from 7 findings (SC2164 + SC2034) to 0 findings. 2. cppcheck (scripts/quality/cppcheck.sh) * Complementary static analyser to clang-tidy; different heuristics, fewer false-positives on heavy CGAL/Eigen templates. * Default severity warning+, --strict adds style, --all = everything. * Suppresses 4 noise classes (missingIncludeSystem, etc.) explicitly. 3. .editorconfig * Cross-IDE fallback for editors that don't honour clang-format. * Covers Markdown (preserve trailing whitespace), Python, YAML, JSON, shell, Makefile (tabs) — the file types clang-format doesn't cover. 4. CONFORMALLAB_WARNINGS_AS_ERRORS CMake option * Off by default → regular builds don't break on new GCC warnings. * `-DCONFORMALLAB_WARNINGS_AS_ERRORS=ON` adds `-Werror`, intended for CI promotion-track and sanitizer runs. Dependency audit (doc/architecture/dependencies.md) ──────────────────────────────────────────────────── New single-source-of-truth document listing: * what the library requires (Eigen + CGAL + Boost — all header-only) * what tests require (auto-fetched GTest, no system install) * what each quality tool is for, install command per OS, and behaviour when missing (each gate exits 2 = SKIP, run-all recognises this and continues) * a verification recipe that strips PATH down and shows the library still configures + builds + tests cleanly with zero quality tools installed. run-all.sh enhanced ─────────────────── * Recognises "tool not in PATH" → SKIP (not FAIL). * Summary now reports `passed / skipped / failed` separately. Bug fixes uncovered by the sweep ──────────────────────────────── * sanitizers.sh: gtest_discover_tests ran the ASan-instrumented binary at build time and aborted → added `-DCMAKE_GTEST_DISCOVER_TESTS_DISCOVERY_MODE=PRE_TEST` to defer discovery to ctest invocation. Now 23/23 sanitizer-instrumented tests pass. * clang-tidy.sh on macOS: brew-installed clang-tidy couldn't find Apple SDK system headers (<cmath>, <complex>, …) → added `--extra-arg=-isysroot $(xcrun --show-sdk-path)` on Darwin. * clang-tidy.sh: needed `-DWITH_CGAL_TESTS=ON` in compile_commands generation so CGAL include paths are part of at least one compile entry. Now resolves CGAL/Surface_mesh.h etc. * clang-tidy.sh: viewer-only headers (`viewer_utils.h`, `mesh_utils.hpp`) excluded — they need `WITH_VIEWER=ON` + system GLFW/libigl that the lint build doesn't drag in. * `.codespellrc`: extended ignore list (recognise, signalled, modelled, travelled, …) for British-English consistency across own writing. Final state — local quality block on this commit, this branch: ✅ License headers (66/66 carry MIT SPDX) ✅ CGAL conventions (0/6 violations on 6 CGAL headers) ✅ clang-format drift (0 drift) ✅ cmake-format/-lint (0 drift, 0 lint findings) ✅ codespell (0 typos in scope) ✅ shellcheck (0 findings across 16 .sh files) ✅ cppcheck (warning+ severity clean) ✅ Markdown links (122/122 resolve) ✅ Sanitizers (ASan+UBSan) (23/23 fast tests pass) ✅ clang-tidy (35 headers inspected, 0 findings) Library standalone-ness verified: env -i PATH=... cmake -S code -B /tmp/build-standalone cmake --build /tmp/build-standalone --target conformallab_tests ctest -E '^cgal\.' → all green Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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Tarik Moussa
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d3c08b3bc0 |
quality: 2 new gates (cmake-format, codespell) + SPDX rollout (60 files)
This commit closes the remaining red gates so `run-all.sh --fast` is
green end-to-end on the canonical dev machine.
New gates
─────────
1. cmake-format / cmake-lint
* scripts/quality/cmake-format.sh — dry-run by default,
--strict to fail on drift, --fix to apply
* .cmake-format.yaml — policy (lowercase commands, UPPERCASE
keywords, 100-col loose limit; matches .clang-format choices)
* Uses the pip-installed `cmakelang` package
(`pip3 install --user cmakelang`)
2. codespell
* scripts/quality/codespell.sh — exit 1 on any typo, --fix
interactively
* .codespellrc — extensive ignore-words-list capturing the
project's British-English-leaning style (centre, behaviour,
specialise, normalise, …) plus domain abbreviations (DOF,
iff, fuchsiens), so the gate flags real typos only.
* Validated: 0 typos across docs + code/include + scripts +
code/{src,tests}.
SPDX rollout (license-headers --fix)
────────────────────────────────────
license-headers.sh gained a --fix mode that auto-inserts the
two-line header at the correct place (below `#pragma once` if
present, above the include guard otherwise, plain prepend for
.cpp). Ran it on 60 of 66 files — 100 %-licensed now.
Verified the build is still clean after the textual edits:
cmake -S code -B build-verify -DWITH_CGAL_TESTS=ON
ctest --test-dir build-verify → 257/257 PASS
run-all.sh + README updated to include the two new gates.
End-to-end style/convention block status (on this commit, this branch):
✅ license-headers (66/66 carry MIT SPDX)
✅ cgal-conventions (0/6 violations)
✅ clang-format (0 drift; warn-mode for safety)
✅ cmake-format/-lint (warn-mode for safety)
✅ codespell (0 typos)
✅ markdown-links (122/122 resolve)
The slow correctness/quality block (sanitizers, coverage, clang-tidy,
multi-compiler, cgal-version-matrix, reproducible-build) is left as
follow-up — toolchain is now installed locally, scripts are syntax-
clean, the slow runs themselves are a separate matter of patience.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Tarik Moussa
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f1d77aa293 |
quality: add code-style + CGAL-convention checkers (local-only)
Closes the gap "no code-quality / convention gate" from the structural
review. Three new artefacts, all local-only (CI promotion deferred
until the existing tree is 100 % clean under each):
1. .clang-format — project's existing style mechanically captured
(4-space indent, opening brace on new line for class/struct/function,
left-aligned pointer/reference modifiers, aligned `using = ...` blocks,
100-col loose limit, no include re-ordering — matches code/include/
today).
2. scripts/quality/clang-format.sh — drift detector. Dry-run mode by
default (always exits 0); --strict to fail on drift; --fix to apply
suggested changes in place. Skips code/deps/ and macOS-duplicate
files.
3. scripts/quality/cgal-conventions.py — checker for the CGAL idioms
that clang-format/clang-tidy cannot express:
CGAL-1 include-guard format `CGAL_<DIRS>_<FILE>_H`
CGAL-2 every public header has a `\\file` Doxygen brief
CGAL-3 no nested namespaces beyond the allowed set
(CGAL::parameters, CGAL::Conformal_map, internal_np, IO)
CGAL-4 named-parameter tag types end in `_t`; value object does not
CGAL-5 no `using namespace ...` at file scope (header leakage)
CGAL-6 no #define beyond CGAL_* / include-guard
Result on the current tree: 6 CGAL public headers, 0 violations.
The checker therefore doubles as documentation of the conventions
we already follow.
Both are wired into scripts/quality/run-all.sh's fast subset (~5 s
combined wall time). README.md updated to split the gates into a
"style/convention" group (cheap, run-on-every-commit material) and a
"correctness/quality" group (slow, run-before-tag material).
The reviewer-facing locked-vs-flexible.md gains another "✅ Closed"
row documenting both gates and the 0-violation baseline.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Tarik Moussa
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a2eee9c279 |
ci+quality: structural gates (CI: 3 new; local: 7 new + .clang-tidy)
CI gates (active on every PR via .gitea/workflows/)
───────────────────────────────────────────────────
1. test-count consistency
cpp-tests.yml gains a step after test-cgal that runs
`scripts/check-test-counts.sh` against the just-built ./build dir
(reuse via new BUILD_DIR env var, ~5 s overhead). Drift between
`doc/api/tests.md` and ctest reality now fails the PR.
2. End-to-end smoke
`scripts/try_it.sh` (the documented user quick-start) is now part of
the CGAL job, so README quick-start regressions fail the PR rather
than silently breaking when users land.
3. Internal markdown link checker
New `.gitea/workflows/markdown-links.yml` + `scripts/check-markdown
-links.py`. PRs that touch any *.md file run the check; main pushes
trigger it too; a weekly cron catches external link rot. Pure
Python, no third-party action. Validated against the current tree:
122 internal links across 37 *.md files, 0 broken.
Local quality scripts (`scripts/quality/`, not in CI)
─────────────────────────────────────────────────────
* `license-headers.sh` — `SPDX-License-Identifier: MIT` audit over
code/{include,src,tests}/. Currently
reports 60/66 files missing it — that's
a follow-up; the script captures the
structural gap.
* `sanitizers.sh` — ASan + UBSan over the fast test suite.
* `coverage.sh` — gcov/lcov line + branch coverage of
code/include/, HTML report under
build-coverage/lcov-html/.
* `clang-tidy.sh` — runs the curated `.clang-tidy` policy over
every public header.
* `multi-compiler.sh` — sequential build + test against every
detected g++/clang++ (auto-discovery or
explicit list).
* `cgal-version-matrix.sh`— sequential build + CGAL test suite against
every CGAL tree under `~/cgal/<ver>/` (or
via `CGAL_ROOTS=...` env var).
* `reproducible-build.sh`— two `Release -j1` builds, fail if any test
executable byte-differs.
* `run-all.sh` — driver: `--fast` for the ~5-min subset,
no arg for the ~25–40 min full sweep;
captures per-gate logs to
build-quality-logs/.
+ `.clang-tidy` — curated, deliberately-small policy (only
checks that fire on OUR code, never on
transitive CGAL/Eigen/Boost headers).
+ `scripts/quality/README.md` — explains the structure, lists each
gate's wall-time + prereqs, and codifies
the promotion path: a gate moves into CI
only when it's green on the dev machine
AND has a recovery-instructions paragraph
in `doc/release-policy.md`.
Doc updates
───────────
`doc/architecture/locked-vs-flexible.md` (reviewer-facing) gains 4
"closed" rows in the limitations table — the 3 CI gates above and the
local quality-script suite.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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| 8869ead3c9 | Merge pull request 'Docs + CI: link fixes, 0-warning Doxygen, Codeberg Pages auto-publish' (#16) from ci/doxygen-pages-autopublish into main | |||
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Tarik Moussa
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b0c67af922 |
ci: auto-publish Doxygen HTML to Codeberg Pages on main
New .gitea/workflows/doxygen-pages.yml runs on every push to main that touches the public headers, Doxyfile, the markdown-link filter, any doc/**/*.md, README.md, or the workflow itself. It reuses the existing ci-cpp container image and the existing CODEBERG_TOKEN secret already used by mirror-to-codeberg.yml — no new secret setup needed. The job force-pushes an orphan commit to the `pages` branch on codeberg.org/TMoussa/ConformalLabpp, which Codeberg Pages serves from https://tmoussa.codeberg.page/ConformalLabpp/ (verified live). README.md gains a Doxygen badge and a Documentation table row pointing at the Pages URL. locked-vs-flexible.md (the reviewer-facing doc) is updated to mention the Pages URL next to the Doxygen-coverage gap. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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Tarik Moussa
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ba5c9303a3 |
docs: clean Doxygen warning log (0 warnings) + flag honest gaps to reviewer
Doxygen now builds with **0 warnings** (was 27). Root cause: `[label](doc/api/tests.md)`-style relative markdown links in README.md and CLAUDE.md were being interpreted by Doxygen as \ref commands and failed to resolve (Doxygen indexes .md files by basename, not by repo-relative path). Fix: add a per-file `FILTER_PATTERNS` to Doxyfile that rewrites `[label](path/to/file.md)` into `<a href="path/to/file.md">label</a>` just for Doxygen. HTML anchors bypass \ref resolution entirely; the generated Doxygen HTML still hyperlinks correctly. The on-disk markdown is untouched, so GitHub rendering is unaffected. New file: scripts/doxygen-md-filter.sh (24 lines, documented). Also: append a "Known limitations (state at the time of the reviewer meeting)" table to doc/architecture/locked-vs-flexible.md so the external reviewer sees the 7 deliberate gaps (output_uv_map covers 3 of 5 entries; pipe-only chaining; Phase 9b-analytic derived but not implemented; Doxygen WARN_IF_UNDOCUMENTED policy; CI test-count gate; research-track utilities) with effort estimates next to each. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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Tarik Moussa
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0b1bf07232 |
docs: fix 2 broken internal links
- doc/release-policy.md:85 corrected `doc/api/tests.md` link to relative `api/tests.md` (was resolving to nonexistent doc/doc/api/tests.md). - doc/tutorials/block-fd-hessian.md:40 redirected stale reference `../math/hyper-ideal.md` to the actual file `../math/geometry-modes.md`. Found by a sweep of all doc/*.md before the reviewer meeting. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> |
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| b569daa388 |
Merge pull request #15: Hackability meeting-prep — 5 docs + pipe-chaining (250→257 tests)
External reviewer prep package for the 2026-05-26 Springborn-Bobenko PhD alumnus visit. Deliverables: • 5 new docs (~2250 lines): block-FD Hessian tutorial, output_uv_map tutorial, Schläfli-derivation LaTeX note, porting-status snapshot, locked-vs-flexible architecture review. • Pipe-operator chaining for named parameters (`a | b | c`). • Bundled all PR #13 + #14 work (test-count centralisation, release-policy.md, 24 docstrings, output_uv_map for 3 of 5 models, Stereo/CircleDomain roadmap). Tests: 257/257 PASSED, 0 SKIPPED. check-test-counts.sh: OK. |
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Tarik Moussa
|
039cc26e36 |
Phase 8b-Lite: pipe-operator chaining for named parameters
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Adds `operator|` in `namespace CGAL` so package-local named parameters
can be combined left-to-right without modifying CGAL upstream:
auto p = CGAL::parameters::gradient_tolerance(1e-12)
| CGAL::parameters::max_iterations(500)
| CGAL::parameters::output_uv_map(uv);
CGAL::discrete_conformal_map_euclidean(mesh, p);
Why not the canonical `.a().b().c()` syntax
───────────────────────────────────────────
CGAL's standard chaining mechanism requires registering each named
parameter as a member function on `Named_function_parameters` via the
`CGAL_add_named_parameter` macro in
`CGAL/STL_Extension/internal/parameters_interface.h` — a vendored
upstream file that conformallab++ deliberately treats as read-only.
Adding member-function chainers for our package-local tags would
require either forking CGAL or modifying the vendored copy. Neither
is acceptable for a library that wants to remain portable across
future CGAL releases.
The pipe-operator achieves the same compositional semantics via a
free function in `namespace CGAL` (so ADL finds it for
`Named_function_parameters` operands). Implementation: rebuild the
right-hand-side `Named_function_parameters` with the left-hand-side
as its `Base`, producing an indistinguishable chain that every entry
function accepts unchanged.
Implementation: `code/include/CGAL/Conformal_map/internal/parameters.h`
lines 158-187. The operator is constrained to right-hand-sides with
`No_property` base (i.e. fresh single-parameter packs from the helper
functions), so it never collides with any future CGAL operator on the
same type.
Tests (2 new, total Phase-8b-Lite suite 15 → 17)
────────────────────────────────────────────────
* CGALPhase8bLite.NamedParamPipe_MultipleParamsTakeEffect
Chain three parameters; verify all three take effect (tight
tolerance respected + UV pmap populated + iteration cap honoured).
* CGALPhase8bLite.NamedParamPipe_TwoParams
Chain two parameters; verify max_iterations(0) blocks the loop
even when combined with another param.
Full CGAL suite: 234/234 PASSED, 0 SKIPPED (was 232).
Total: 257/257 PASSED, 0 SKIPPED (was 255).
scripts/check-test-counts.sh: OK.
Documentation updates
─────────────────────
* doc/tutorials/add-output-uv-map.md §3.4: "Current limitation: no
chaining" → "Chaining: use the pipe operator `|`". Explains why
CGAL's `.member()` syntax isn't available and shows the `|`
workaround with a working code example.
* doc/architecture/locked-vs-flexible.md §8: chaining now flagged as
shipped via pipe; recommended posture says `.member()` chaining
only if a user pushes for the CGAL-canonical syntax.
* doc/roadmap/porting-status.md §5: API limitations table updated.
* doc/api/tests.md: CGALPhase8bLite row 15 → 17, total 232 → 234.
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
|
ff9c9ec11b |
docs: add StereographicUnwrapper + CircleDomainUnwrapper to roadmap
Audit found that 2 of the 4 Java-port candidates from the conformal-
mapping discussion were missing from the documentation:
* StereographicUnwrapper (266 Java LoC) — projects spherical layout
S² → ℂ via stereographic projection + Möbius centring. Closes the
visualisation gap from discrete_conformal_map_spherical() which
currently returns Point_3 on S²; downstream uses typically want a
2-D atlas. Suggested phase: 10b' (alternative methods, parallel
to Hyperbolic / Quasi-isothermic). Effort: small (~3 days).
* CircleDomainUnwrapper (570 Java LoC) — conformal map of a
multiply-connected planar region onto a disk-with-holes (Koebe's
general uniformization theorem 1909). A use-case class
conformallab++ does not currently cover (annulus, slit torus,
fluid flow around obstacles, electrostatics with multiple
conductors). Suggested phase: 11c. Effort: large (~2 weeks).
Added to all three roadmap documents:
* doc/roadmap/java-parity.md — worth-porting table extended
* doc/roadmap/research-track.md — Java-backlog summary extended
* doc/roadmap/phases.md — Phase 10b' bullet + new
Phase 11c block with full math
context (Koebe 1909 reference,
classical complex-analysis use cases).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
|
b7e837815f |
Phase 8b-Lite extension: output_uv_map named parameter for integrated layout
Closes the UX gap identified in the Phase-8b-Lite design discussion:
the four classical-DCE CGAL entries now optionally run their `*_layout()`
step internally if the caller supplies `CGAL::parameters::output_uv_map(pmap)`.
Before this PR, the workflow was:
auto res = CGAL::discrete_conformal_map_euclidean(mesh);
// ... user has to re-set up maps, re-pin vertex, then ...
auto layout = euclidean_layout(mesh, res.x, maps);
// ... and copy coordinates into a property map manually.
After this PR:
auto uv = mesh.add_property_map<Vertex_index, K::Point_2>("uv", ...).first;
CGAL::discrete_conformal_map_euclidean(
mesh, CGAL::parameters::output_uv_map(uv));
// ... uv now populated for every vertex.
Coverage
────────
* `discrete_conformal_map_euclidean` — `Point_2` per vertex.
* `discrete_conformal_map_spherical` — `Point_3` per vertex (on S²).
* `discrete_conformal_map_hyper_ideal` — `Point_2` per vertex (Poincaré disk).
CP-Euclidean and Inversive-Distance entries do not yet support
`output_uv_map` — face-based packing has no per-vertex UV concept, and
inversive-distance needs a dedicated layout routine that uses Luo's
edge-length formula (planned follow-up).
New named parameters (`code/include/CGAL/Conformal_map/internal/parameters.h`)
─────────────────────────────────────────────────────────────────────────────
* `output_uv_map(pmap)` — write coordinates into pmap after layout.
* `normalise_layout(bool)` — apply post-layout canonical normalisation
(PCA centroid for Euclidean, north-pole alignment for Spherical,
Möbius centring for Hyper-ideal).
Both follow the existing Phase-8a-MVP named-parameter convention.
Chained syntax (`.output_uv_map(...).normalise_layout(true)`) is not
yet supported — pass them one at a time.
Tests (5 new in test_cgal_phase8b_lite.cpp)
───────────────────────────────────────────
* `OutputUvMap_Euclidean_PopulatesPmap` — UVs are finite + non-trivial.
* `OutputUvMap_Spherical_PopulatesXyz` — every output on unit S².
* `OutputUvMap_HyperIdeal_PointsInPoincareDisk` — |p|² ≤ 1 if converged.
* `OutputUvMap_Absent_DoesNotRunLayout` — no parameter ⇒ no layout.
* `OutputUvMap_NormaliseLayout_TakesEffect` — both raw + norm calls
return finite UVs (named-parameter chaining limitation documented).
All five pass. Full CGAL suite: 232/232, 0 skipped (was 227).
doc/api/tests.md
────────────────
Updated the per-suite table to list the 7 CGAL test suites that landed
in v0.9.0 (8a MVP + 9a + 9b + 8b-Lite) but had not yet been added to the
canonical table. Total: 227 → 232. This brings the doc back in sync
with `ctest` output and unblocks future `scripts/check-test-counts.sh`
runs.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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79f6757646 |
docs: add Doxygen docstrings to high-priority public functions (Phase-9a + setup)
Follow-up to the doc-audit: fills the 30 high-priority docstring gaps
identified across the public-API headers. Code unchanged — comments
only.
Headers updated
───────────────
* code/include/cp_euclidean_functional.hpp (5 docstrings added)
- setup_cp_euclidean_maps — defaults + naming convention
- assign_cp_euclidean_face_dof_indices — gauge-pin semantics
- (overload) — first-face convenience
- cp_euclidean_dimension — DOF counting
(gradient, energy, Hessian, and FD-check were already documented
via the header-block comments.)
* code/include/inversive_distance_functional.hpp (4 docstrings added)
- setup_inversive_distance_maps — defaults + Bowers-Stephenson init note
- assign_inversive_distance_vertex_dof_indices — gauge-pin caveat
- inversive_distance_dimension — DOF counting
- compute_inversive_distance_init_from_mesh — two-phase init + Bowers-Stephenson formula
* code/include/euclidean_functional.hpp (4 docstrings added)
- setup_euclidean_maps — defaults + naming convention
- assign_euclidean_vertex_dof_indices — gauge-pin caveat
- assign_euclidean_all_dof_indices — cyclic-functional usage
- euclidean_dimension — DOF counting
* code/include/spherical_functional.hpp (5 docstrings added)
- setup_spherical_maps — defaults + naming convention
- assign_vertex_dof_indices — gauge-pin
- assign_all_spherical_dof_indices — cyclic-functional usage
- spherical_dimension — DOF counting
- compute_lambda0_from_mesh — unit-sphere precondition
* code/include/hyper_ideal_functional.hpp (3 docstrings added)
- setup_hyper_ideal_maps — defaults + cross-functional naming explanation
- hyper_ideal_dimension — DOF counting
- assign_all_dof_indices — strictly-convex no-gauge usage
* code/include/mesh_utils.hpp (3 docstrings added)
- cgal_to_eigen — libigl-style (V, F) conversion + side-effect note
- simple_visualize_mesh — requires WITH_VIEWER, lifetime
- get_vertex_map — zero-copy + lifetime warning
File header upgraded to a proper Doxygen file-level comment block.
Total: 24 new Doxygen-style docstrings added.
Coverage statistics (per the doc-audit)
───────────────────────────────────────
Before: 110 / 154 public symbols documented (71.4%)
After: 134 / 154 public symbols documented (87.0%)
Remaining gaps (20 entries) cluster in lower-priority utilities
(p2_utility.hpp, period_matrix.hpp internal helpers, mesh_builder
already has block-comments above each factory). These can be filled
in a future PR when the public-API surface for Phase 9c lands.
Verification
────────────
* Build: clean (no new compiler warnings).
* Tests: 250/250 PASSED, 0 SKIPPED.
* scripts/check-test-counts.sh: OK.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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84258921df |
docs: audit-driven fixes — stale claims, missing v0.9.0 entries
Follow-up to the test-count centralisation + release-policy commit: applies the findings of the parallel doc-audit. Stale claims fixed ────────────────── * CLAUDE.md line 14-17 (phase block summary): expanded from "Phase 1-7 done, 8-9 planned, 10+ research" to reflect that Phase 8a MVP + 8b-Lite + 9a + 9b are now done (v0.9.0), with Phase 9b-analytic + 9c as the next planned milestones. * CLAUDE.md line 251-252 (release state): "v0.7.0 ... Phase 7 next" → "v0.9.0 ... Phase 9c + 9b-analytic next". * CLAUDE.md "Three geometry modes" → "Five DCE models" table. Adds CP-Euclidean and Inversive-Distance rows with their CGAL public entries. DOF-assignment pattern subsection rewritten to cover vertex-only / vertex+edge / face-based assignments. * CLAUDE.md "Newton solver" section: gradient sign and Hessian convention for all five solvers (was: three). Replaces the "Hessian is FD" claim for HyperIdeal with the block-FD note (Phase 9b shipped). * CLAUDE.md "Known quirks": stale GTEST_SKIP entry removed (v0.9.0 cleaned up the HDS-port stubs). * README.md line 86: "all 24 headers with descriptions" → "all public headers with descriptions" (was undercounting). Missing entries added — `doc/api/headers.md` ───────────────────────────────────────────── * New section **"Circle-packing functionals (Phase 9a)"** with `cp_euclidean_functional.hpp` and `inversive_distance_functional.hpp`. * New section **"Math utilities"** documenting four previously- undocumented public helpers: `matrix_utility.hpp`, `projective_math.hpp`, `p2_utility.hpp`, `discrete_elliptic_utility.hpp`. * New section **"CGAL public API (Phase 8b-Lite)"** documenting all six new public headers under `include/CGAL/`. * `newton_solver.hpp` row expanded to list all five Newton functions. Header count summary (before vs after): * Before: 24 headers in 8 sections (missing 6 of the 30 actually present). * After: 30 headers in 11 sections (complete coverage). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
|
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
───────────
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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| e67ccd6b9d |
Merge pull request #12: release v0.9.0 finalisation
|
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Tarik Moussa
|
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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| b26368924b |
Merge pull request 'Phase 9a-Newton + Phase 8b-Lite: complete the CGAL API surface for all 5 DCE models' (#11) from feature/phase-9a-newton into main
Reviewed-on: #11 |
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Tarik Moussa
|
7d10500811 |
Phase 8b-Lite: CGAL entries for all 5 DCE models + layout wrapper
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Completes the CGAL public API surface so all five discrete-conformal
functionals are reachable from <CGAL/Discrete_*.h>, not only Euclidean.
CGAL test count: 219 → 227 (+8). Zero skips.
New public headers
──────────────────
* CGAL/Discrete_conformal_map.h extended
Adds discrete_conformal_map_spherical() and
discrete_conformal_map_hyper_ideal()
plus the Hyper_ideal_map_result<FT> struct that carries both
vertex DOFs (b_v) and edge DOFs (a_e).
* CGAL/Discrete_circle_packing.h new (180 lines)
Face-based BPS-2010 circle packing. Provides
Default_cp_euclidean_traits<Mesh, K>
Circle_packing_result<FT>
discrete_circle_packing_euclidean()
* CGAL/Discrete_inversive_distance.h new (180 lines)
Vertex-based Luo-2004 packing. Provides
Default_inversive_distance_traits<Mesh, K>
discrete_inversive_distance_map()
reusing the existing Conformal_map_result<FT> for the u-vector.
* CGAL/Conformal_layout.h new (110 lines)
Thin re-export of euclidean_layout / spherical_layout /
hyper_ideal_layout into the CGAL:: namespace.
Architecture choice
───────────────────
Per Phase 8b architecture audit: Strategy C (functional-specific
default traits, one entry per functional, no fat shared trait).
Documented in each header's docblock. This avoids speculative design
of a unified trait that would need to fit all 5 DOF layouts (vertex,
vertex+edge, face).
Conformal_map_traits.h is kept as the Euclidean-specific trait it
already is; new functionals have their own Default_*_traits classes
right next to their entry functions.
Test count after this merge
───────────────────────────
CGAL suite: 219 → 227 (8 new in test_cgal_phase8b_lite.cpp covering
all four new entries + the Euclidean+layout round-trip).
After-the-merge user contract
─────────────────────────────
A user can now write any of these and get a valid Newton-converged result:
#include <CGAL/Discrete_conformal_map.h>
auto r = CGAL::discrete_conformal_map_euclidean(mesh);
auto r = CGAL::discrete_conformal_map_spherical(mesh);
auto r = CGAL::discrete_conformal_map_hyper_ideal(mesh);
#include <CGAL/Discrete_circle_packing.h>
auto r = CGAL::discrete_circle_packing_euclidean(mesh);
#include <CGAL/Discrete_inversive_distance.h>
auto r = CGAL::discrete_inversive_distance_map(mesh);
#include <CGAL/Conformal_layout.h>
auto layout = CGAL::euclidean_layout(mesh, r.x, maps);
Not in this PR (intentionally deferred)
───────────────────────────────────────
* 8a.2 — Generic FaceGraph specialisation (still Surface_mesh-only).
* 8c — User_manual + PackageDescription.txt (CGAL-submission prep).
* 8d — CGAL-format test directory (CGAL-submission prep).
* 8e — YAML pipeline + CLI flag (orthogonal).
* Named-parameter chaining (`a.b().c()`) — current parameter helpers
return Named_function_parameters without member-function chainers;
pass parameters one at a time for now.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
|
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Tarik Moussa
|
dd87b8007b |
Phase 9a-Newton: newton_cp_euclidean + newton_inversive_distance
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Wires the two Phase-9a functionals into the Newton-solver layer so
they are operational end-to-end. CGAL test count: 212 → 219 (+7).
Solvers
───────
* newton_cp_euclidean(mesh, x0, m, tol, max_iter)
- Uses cp_euclidean_hessian — analytic 2×2-per-edge BPS-2010
formula h_jk = sin θ / (cosh Δρ − cos θ).
- SparseQR fallback handles the gauge-singular case when no face
is pinned (caller error, but we recover gracefully).
- Strictly-convex energy ⇒ quadratic convergence near optimum.
* newton_inversive_distance(mesh, x0, m, tol, max_iter, hess_eps)
- Uses an inline FD Hessian (n × gradient evaluations per step) —
mirrors the Phase 4a HyperIdeal solver in spirit.
- Analytic alternative via Glickenstein 2011 eq. (4.6) is tracked
in doc/roadmap/research-track.md as Phase 9a.2-analytic.
- Sensitive to initial point; the test suite always starts from
a natural-theta setup (u = 0 is the equilibrium when
compute_inversive_distance_init_from_mesh was called).
Tests (test_newton_phase9a.cpp, 7 cases)
────────────────────────────────────────
* CPEuclidean_NaturalPhi_ClosedTetrahedron_ConvergesInZeroIterations
* CPEuclidean_PerturbedStart_ConvergesBackToEquilibrium
* CPEuclidean_OpenTetrahedron_NaturalPhi_Converges
* InversiveDistance_NaturalTheta_Triangle_ConvergesInZero
* InversiveDistance_PerturbedQuadStrip_Converges
* InversiveDistance_PerturbedTetrahedron_Converges
* CPEuclidean_UsesAnalyticHessian
Regression guard: 3-DOF problem converges in ≤ 10 iterations even
with strong perturbation, confirming the analytic Hessian path is
actually used.
All seven tests pass. Full CGAL suite: 219/219 PASSED, 0 SKIPPED.
Roadmap additions (`doc/roadmap/phases.md`)
───────────────────────────────────────────
New Phase 11+ section flags two Java sub-packages as optional/deferred
ports, recorded for project memory but not roadmap commitments:
* 11a — Schottky uniformisation (Java plugin/schottky/*, ~3000 LoC)
Hyperbolic loxodromic group acting on S²; complement of the
Phase 10c Fuchsian-group representation in H². Requires
Phase 10b period matrix + Möbius-group machinery from Phase 7.
Effort: very large (4-6 weeks).
* 11b — Riemann maps (Java plugin/riemannmap/*, ~1500 LoC)
Discrete Riemann mapping theorem; texture mapping of bounded
planar regions, classical conformal mapping for engineering.
Requires Phase 10b' quasi-isothermic or Phase 9a.1 CP-Euclidean.
Effort: large (3-4 weeks).
Both are explicitly NOT roadmap commitments — they live in the doc so
they aren't re-discovered.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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| c5917754d8 |
Merge pull request #8: Phase 9a — CP-Euclidean (port) + Inversive-Distance (research)
Adds two new circle-packing functionals: • 9a.1 CP-Euclidean (face-based, BPS 2010) — direct port of CPEuclideanFunctional.java (260 lines + test) • 9a.2 Inversive-Distance (vertex-based) — new research from Luo 2004 + Glickenstein 2011 + Bowers-Stephenson 2004 (no Java original) Validated by 21 new tests including line-by-line Java parity for 9a.1, three special-case verifications of Luo edge-length formula for 9a.2, and Glickenstein §5 cross-correspondence I_ij = cos θ_e at u=0. Combined with PR #9: CGAL test count is now 212. |
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Tarik Moussa
|
8c01a133d8 |
Phase 9a: dual circle-packing functionals (CP-Euclidean + Inversive Distance)
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Implements both Phase 9a sub-functionals — the face-dual circle-packing
functional from the Java original and the vertex-based inversive-distance
functional from Luo 2004 / Glickenstein 2011 — together with a side-by-side
mathematical validation report.
CGAL test count: 194 → 205 (+11 from 9a.2, +10 from 9a.1, was already
+1 from 9a.1's setup defaults regression).
Phase 9a.1 — CPEuclideanFunctional (face-based, BPS 2010)
──────────────────────────────────────────────────────────
* code/include/cp_euclidean_functional.hpp (320 lines)
- Face-based DOFs ρ_f = log R_f
- Per-edge intersection angle θ_e (default π/2 = orthogonal)
- Per-face target angle sum φ_f (default 2π)
- Energy: Σ_f φ_f ρ_f + Σ_h [½ p(θ*,Δρ)·Δρ + Λ(θ*+p) − θ* ρ_left]
with p(θ*, Δρ) = 2 atan(tan(θ*/2) tanh(Δρ/2))
Λ = Clausen-Lobachevsky
- Analytic Hessian: h_jk = sin θ / (cosh Δρ − cos θ)
- Java original: de.varylab.discreteconformal.functional.CPEuclideanFunctional
(260 lines, line-by-line mapping documented in
phase-9a-validation.md §1)
* code/tests/cgal/test_cp_euclidean_functional.cpp (10 tests)
- PFunctionKnownValues, SetupDefaults, AssignDofIndices_PinsOneFace
- TangentialLimitGradientEqualsPhi (closed-form θ=0 check)
- FDGradientCheck on closed and open tetrahedron, random ρ seed=1
- FDHessianCheck on closed and open tetrahedron, random ρ seed=1
- HessianIsPSD (BPS 2010 §6 convexity)
- NaturalPhiMakesZeroTheEquilibrium (gauge fixing)
Phase 9a.2 — InversiveDistanceFunctional (vertex-based, Luo 2004)
──────────────────────────────────────────────────────────────────
* code/include/inversive_distance_functional.hpp (290 lines)
- Vertex DOFs u_i = log r_i
- Per-edge inversive distance I_ij from Bowers-Stephenson 2004:
I_ij = (ℓ² − r_i² − r_j²) / (2 r_i r_j)
- Edge length (Luo 2004 §3):
ℓ_ij² = exp(2u_i) + exp(2u_j) + 2 I_ij exp(u_i+u_j)
- Gradient (Luo 2004 Lemma 3.1):
∂E/∂u_v = Θ_v − Σ α_v(f)
- Energy via 10-pt Gauss-Legendre path integral (matches Euclidean)
- Hessian: finite-difference for MVP; Glickenstein 2011 eq. 4.6
analytic form deferred (joins Phase 9b queue)
* code/tests/cgal/test_inversive_distance_functional.cpp (11 tests)
- Four edge-length-formula limits (tangential I=1 ⇒ ℓ=r_i+r_j,
orthogonal I=0 ⇒ ℓ=√(r_i²+r_j²), inside-tangent I=−1, degenerate I<−1)
- BowersStephensonRoundTrip (Bowers-Stephenson 2004 identity)
- InitProducesValidPositiveRadii
- NaturalThetaGivesZeroGradientAtU0
- FDGradientCheck on triangle, quad strip, tetrahedron
- AngleDefectAtU0_AgreesWithEuclideanAtU0
— cross-validation against euclidean_functional.hpp
(Glickenstein 2011 §5: "different parametrisations of the
same initial metric produce the same Newton-time-zero gradient")
Phase 9a Validation Report
──────────────────────────
* doc/architecture/phase-9a-validation.md (350 lines)
- Line-by-line mapping CPEuclideanFunctional.java ↔ C++ port
- Three special-case verifications of Luo's edge-length formula
- Comparison table euclidean / cp-euclidean / inversive-distance
- Acceptance-criteria checklist (all met)
- Full reference list
Roadmap and tutorial corrections (already committed earlier in this branch)
──────────────────────────────────────────────────────────────────────────
* doc/roadmap/phases.md — Phase 9a split into 9a.1 + 9a.2,
clear math citations per sub-phase
* doc/tutorials/add-inversive-distance.md — corrects the prior claim
that InversiveDistanceFunctional.java
exists upstream (it does not); now
cites Luo 2004 + Glickenstein 2011 +
Bowers-Stephenson 2004 as primary sources
* CLAUDE.md — adds phase-9a-validation.md to doc map
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
|
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| 1a6e731ad2 |
Merge pull request #9: Phase 9b — block-FD HyperIdeal Hessian (96× speed-up)
Replaces O(n·F) full-FD Hessian with O(F·36) block-local variant. Measured 96.5× speed-up on 200-face tet strip (V=202, 603 DOFs). 7 new tests verify block-FD ≡ full-FD on closed/open/pinned configurations, PSD property, and sparsity pattern. Java parity note: HyperIdealFunctional.java:295-298 declares hasHessian()==false. Both Hessian variants in conformallab++ are new research beyond Java parity. Analytic Schläfli-based variant deferred to research-track.md. |
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Tarik Moussa
|
f50ef4a305 |
Phase 9b: Hyper-ideal Hessian — block-FD optimisation (96× speed-up)
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Replaces the O(n·F) full-FD Hessian with an O(F·36) block-local variant
that exploits the per-face locality of the hyper-ideal functional. Both
variants are kept (full-FD as correctness reference, block-FD as default)
and proven to match to FD rounding tolerance on all test configurations.
Java parity note
────────────────
HyperIdealFunctional.java line 295-298 declares:
public boolean hasHessian() { return false; }
i.e. the upstream Java functional has NO Hessian implementation, analytic
or numerical. Both Hessian variants in this file are conformallab++
extensions beyond the Java port. Analytic Hessian via Schläfli-type
differentiation through (b_i, a_e) → l_ij → ζ_13/ζ_14/ζ_15 → α_ij/β_i
is deferred to a future PR.
Implementation
──────────────
* code/include/hyper_ideal_functional.hpp
- New pure-math helper face_angles_from_local_dofs() takes 6 input DOFs
(b1, b2, b3, a12, a23, a31) + variability flags and returns the 6
output angles (β1, β2, β3, α12, α23, α31).
- Used by block-FD Hessian as the inner loop; identical semantics to
the existing compute_face_angles().
* code/include/hyper_ideal_hessian.hpp
- hyper_ideal_hessian_block_fd() — new, default production path
- hyper_ideal_hessian_block_fd_sym() — symmetrised variant
- hyper_ideal_hessian() — full-FD baseline, kept for cross-validation
- hyper_ideal_hessian_sym() — symmetrised baseline
- Header docblock documents speed-up curve: ~33× at cathead.obj scale,
~1166× at brezel.obj scale.
Tests (7 new in test_hyper_ideal_hessian.cpp)
─────────────────────────────────────────────
* PureHelperMatchesMeshHelper — refactor sanity
* BlockFD_MatchesFullFD_ClosedTetrahedron
* BlockFD_MatchesFullFD_Open3FaceMesh (boundary edge path)
* BlockFD_MatchesFullFD_PinnedDOFs (partial-DOF path)
* BlockFD_IsPSD (Springborn 2020 convexity)
* BlockFD_SparsityMatchesFaceAdjacency (structural correctness)
* BlockFD_FasterThanFullFD (performance assertion: ≥ 3×)
Measured speed-up on the 200-face tet strip (603 DOFs):
full-FD: 226 591 µs
block-FD: 2 347 µs
ratio: 96.5×
The assertion uses ≥ 3× to leave wide CI-hardware tolerance.
Test count
──────────
CGAL suite: 184 → 191 (+7). Zero skips.
Why not full analytic now
─────────────────────────
Full analytic Hessian via the chain rule
(b_i, a_e) → l_ij → ζ_{13,14,15} → α_ij / β_i
requires Schläfli-type differentiation with multiple cases for the
ideal / hyper-ideal vertex mix. It would add another ~6× over
block-FD but at significantly higher implementation and verification
cost. Block-FD already removes the practical bottleneck for meshes
up to ~10k faces; analytic optimisation can land later when justified
by a concrete profiling result.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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| fb8b36226c |
Merge pull request 'docs: full audit — fix 4 port/research mis-labels + consolidated research-track' (#10) from feature/doc-audit-and-research-roadmap into main
Reviewed-on: #10 |
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Tarik Moussa
|
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
─────────────────────────
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
─────────────────
* 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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| e435e143c6 |
Merge pull request 'Phase 8a MVP: CGAL traits + Discrete_conformal_map.h Euclidean entry' (#6) from feature/phase-8a-mvp-traits into main
Reviewed-on: #6 |
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| 570b3d61d4 |
Merge pull request 'ci: fix test-cgal OOM + add Doxygen API-docs job' (#7) from feature/CI-test-cgal-OOM-Doxygen-Job into main
Reviewed-on: #7 |
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Tarik Moussa
|
311360f925 |
ci: remove unsupported upload-artifact@v4 from doc-build job
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Gitea Actions on GHES does not support actions/upload-artifact@v4 — the v4 release switched to GitHub-only APIs (artifact backend rewritten). The doc-build job was failing with "artifact@v4+ are not currently supported on GHES." Changes ─────── * Removed the artifact-upload step entirely. Rationale: the warning summary in the job log is the primary reviewer signal for the documentation health check. Reviewers who want to inspect the HTML locally can rebuild it with `cmake --build build --target doc`. * Removed the apt-get install step. Doxygen is now pre-installed in the ci-cpp container (Dockerfile change earlier in this PR). * Added an explanatory comment so the missing artifact step is not re-introduced unknowingly. * Added a "Report HTML output" step that prints file count + total size for visibility (a no-op if the HTML directory is absent). When/if a real artifact host appears (Gitea Pages, S3, GitHub mirror release), this job can be extended to publish the HTML there. For now, the in-log warning summary is sufficient. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
|
140f50f707 |
fixup: deduce kernel from mesh point type instead of hard-coding it
Removes the only architectural lock-in spotted in the MVP audit before Phase 9a starts: the wrapper hard-coded Simple_cartesian<double> as the kernel inside discrete_conformal_map_euclidean. This would have broken any Surface_mesh<P> where P came from a different kernel (e.g. EPIC). Change ────── * CGAL::Kernel_traits<typename TriangleMesh::Point>::Kernel is now used to deduce the kernel from the mesh's point type. * The full Default_traits<...> instantiation is wrapped in internal_np::Lookup_named_param_def so a future `geom_traits(...)` named parameter can override the entire traits class without changes to the wrapper body (CGAL idiom, used by every CGAL package). * New test `KernelIsDeducedFromMeshPointType` pins the contract explicitly with static_asserts. Why now ─────── Phase 9a (Inversive-Distance) will copy this same template pattern. Fixing the kernel deduction once here keeps the design free for any user kernel; doing it after 9a would mean two parallel hard-coded kernel sites to refactor. Tests ───── CGAL suite: 184/184 passed, 0 skipped (was 183). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
|
3cc96703cc |
ci: fix test-cgal OOM + add Doxygen API-docs job
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Two CI improvements:
1. **test-cgal OOM fix**
* memory limit 1400m → 1600m (cc1plus needs ~700 MB for CGAL + Eigen)
* memory-swap 1400m → 1600m (was less than memory, Docker rejected
the config; now disables swap entirely
so OOM fails fast)
* build parallelism -j2 → -j1 (single worker leaves headroom)
These three changes together address the test-cgal failures observed
since the test_scalability_smoke.cpp was added. Locally the full
suite (183 tests including the brezel.obj genus-2 mesh) runs in
~1 s with peak ~700 MB; the ARM64 CI runner now has the same
headroom.
2. **API-docs job (new, soft-fail)**
* .gitea/workflows/doc-build.yaml — separate workflow, distinct name
"API Docs"
* Runs only on pull requests; `continue-on-error: true` ensures
warnings never block the merge
* Installs doxygen, runs `doxygen Doxyfile`, uploads the generated
HTML as a 14-day artifact for reviewer inspection
* Dockerfile.ci-cpp also pre-installs doxygen so future iterations
can drop the in-job install step
When Doxygen coverage matures (Phase 8c — User_manual.md), this job
can be promoted to a hard requirement and the HTML deployed to
Pages.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
|
a1e74c1370 |
Phase 8a MVP: CGAL traits + Discrete_conformal_map.h Euclidean entry
First step of the Phase 8 Hybrid MVP. Adds a thin CGAL-conformant public
API layer over the existing implementation, validated by 7 acceptance
tests. Total CGAL test count: 183 (was 176), 0 skipped.
New public headers
──────────────────
* code/include/CGAL/Conformal_map_traits.h
- ConformalMapTraits concept documentation
- Default_conformal_map_traits<Surface_mesh<P>, K> specialisation
- Static property-map accessors: vertex_points, theta_map,
vertex_index_map, lambda0_map
* code/include/CGAL/Discrete_conformal_map.h
- User-facing entry: discrete_conformal_map_euclidean(mesh, np)
- Conformal_map_result<FT> struct (u, iter, ‖G‖, converged flags)
- Natural-theta default: x = 0 is the equilibrium when no Θ supplied
- Honours user-provided Θ via vertex_curvature_map named parameter
* code/include/CGAL/Conformal_map/internal/parameters.h
- 4 named-parameter tags in CGAL::Conformal_map::internal_np:
vertex_curvature_map, gradient_tolerance,
max_iterations, fixed_vertex_map
- User-facing helpers in CGAL::parameters::*
Tests (test_cgal_traits_mvp.cpp, 7 cases)
─────────────────────────────────────────
* DefaultTraitsTypes: compile-time type sanity (static_assert)
* AccessorsReuseExistingMaps: traits accessors return identical pmaps
* SingleTriangleConverges,
QuadStripConverges: end-to-end Euclidean wrapper passes
* MaxIterationsTakesEffect: named parameter is read
* GradientToleranceTakesEffect: tolerance override changes Newton end-state
* WrapperMatchesLegacyAPI: cross-API result equality at 1e-10
Architecture
────────────
3-layer wrapper as designed (doc/api/cgal-package.md):
Layer 1: code/include/*.hpp (existing algorithms, unchanged)
Layer 2: CGAL/Conformal_map/internal/ (adapter, parameter tags)
Layer 3: CGAL/Conformal_map_traits.h, CGAL/Discrete_conformal_map.h
(user-facing)
No algorithm duplication. Existing 176 + 36 tests untouched.
Next: Phase 9a (Inversive-Distance) as the second client of this API —
the real acceptance test for the trait design.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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| e429539c9b |
Merge pull request #5: Phase 7.5 — language unification + Doxygen + Phase 8 Hybrid MVP strategy
PR contains: • Language unification: all German prose translated to English • Doxygen infrastructure: Doxyfile + CMake doc target + README quickstart • Phase 8 strategic decisions frozen (full design in doc/api/cgal-package.md) • Phase 8 strategy refined to Hybrid MVP — minimum traits + 9a acceptance test CI test-cgal failure is pre-existing (predates this PR), all 176 + 36 tests pass locally. |
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Tarik Moussa
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4971f0254d |
docs: refine Phase 8 strategy to Hybrid MVP — MVP first, port second
Re-evaluated cost/benefit of Phase 8 vs Phase 9 after distinguishing three
concurrent goals:
• Goal A (Port): ~90% done, ~3 weeks remaining
• Goal B (CGAL): speculative, 12+ months, uncertain submission
• Goal C (Tool): research utility with novel features
Phase 8 full (3–4 weeks) would mostly serve Goal C plus optional Goal B.
Phase 9 (3 weeks) finishes Goal A unconditionally. Building Phase 8 in
full before Phase 9 risks 3-4 weeks of speculative architecture for a
hypothetical CGAL submission.
New strategy: Hybrid MVP.
Phase 8 MVP (3–5 days):
Conformal_map_traits.h concept + Default<Surface_mesh,K>
Discrete_conformal_map.h ONE entry: _euclidean()
4 named parameters Theta-map, max_iter, tol, pin
Concept-check header + Doxygen
Phase 9a (3–5 days): Inversive-Distance vs MVP API = acceptance test
Phase 9b + 9c (~2 weeks): Port truly complete
Phase 8 extensions: Only on concrete trigger
8a.2 generic FaceGraph trigger: Polyhedron_3 user
8c full doc trigger: submission planned
8d CGAL-format tests trigger: submission planned
8e YAML pipeline orthogonal, any time
Net committed budget: ~4 weeks for "port complete + CGAL MVP",
not 6–8 weeks for full Phase 8 + Phase 9.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Tarik Moussa
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02fb80ee3e |
Phase 7.5: Doxygen infrastructure + Phase 8 design freeze
Adds the Doxygen documentation pipeline as the bridge from Phase 7
(porting complete) to Phase 8 (CGAL package). Also captures the
strategic Phase 8 decisions taken on 2026-05-19.
Infrastructure
──────────────
* Doxyfile — CGAL-style minimal configuration, HTML-only,
INPUT=code/include + doc/, excludes deps/ and
macOS Finder duplicates
* code/CMakeLists — `doc` target via find_package(Doxygen QUIET);
silently disabled if Doxygen is not installed
* README — `cmake --build build --target doc` instructions
* .gitignore — exclude doc/doxygen/ output
Phase 8 strategic decisions (recorded in doc/api/cgal-package.md)
────────────────────────────────────────────────────────────────
* Submission to CGAL: pre-submission-ready, 12+ months horizon, MIT preserved
* Mesh-type flexibility: generic FaceGraph + HalfedgeGraph
* Parameter style: CGAL Named Parameters
* Default kernel: Simple_cartesian<double> (status quo)
* Architecture: 3-layer wrapper, no algorithm duplication
* Acceptance test: Phase 9a (Inversive-Distance) as first new client
CLAUDE.md updated with a compact Phase 8 decision table.
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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| 43d0f70204 |
Merge pull request 'Phase 7 completion: scalability tests, Hessian cross-checks, 176/0 baseline' (#4) from dev into main
Reviewed-on: #4 |
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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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1442de9c8d |
Port GradientCheck_Hessian tests: replace GTEST_SKIP stubs with real cross-module checks
Implements the two GTEST_SKIP stubs that tracked the missing analytic Hessian gradient checks (Java @Ignore ports). Both are now replaced with live cross-module consistency tests that verify euclidean_gradient() ↔ euclidean_hessian() and spherical_gradient() ↔ spherical_hessian() via finite-difference comparison. Result: 176 tests from 35 test suites — 176 PASSED, 0 SKIPPED. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> |
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Tarik Moussa
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3c973fc3f1 | Merge remote-tracking branch 'codeberg/main' |
