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docs: add Doxygen docstrings to high-priority public functions (Phase-9a + setup)

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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>
This commit is contained in:
Tarik Moussa
2026-05-22 08:12:28 +02:00
parent 84258921df
commit 79f6757646
6 changed files with 200 additions and 42 deletions
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29
code/include/hyper_ideal_functional.hpp
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@@ -53,8 +53,20 @@ struct HyperIdealMaps {
EMapD theta_e; // target intersection angle θ_e
};
// Add all needed persistent property maps and return handles.
// Defaults: theta_v = 2π (regular cone), theta_e = π (orthogonal circles).
/// Attach the four HyperIdeal property maps to `mesh` and return their
/// handles.
///
/// Defaults:
/// * `v_idx[v] = -1` (ideal vertex — i.e. the corresponding `b_v` is fixed at 0)
/// * `e_idx[e] = -1` (edge DOF fixed at 0)
/// * `theta_v[v] = 2π` (regular cone target)
/// * `theta_e[e] = π` (orthogonal-circle target)
///
/// The map prefix `"v:"` / `"e:"` is intentionally generic for the
/// HyperIdeal functional — it is the canonical / Phase 3b model.
/// Other functionals use distinct prefixes (`"ev:"` Euclidean, `"sv:"`
/// Spherical, `"cf:"`/`"ce:"` CP-Euclidean, `"iv:"`/`"ie:"`
/// Inversive-Distance) so all models can coexist on the same mesh.
inline HyperIdealMaps setup_hyper_ideal_maps(ConformalMesh& mesh)
{
HyperIdealMaps m;
@@ -65,7 +77,7 @@ inline HyperIdealMaps setup_hyper_ideal_maps(ConformalMesh& mesh)
return m;
}
// Count variable DOFs: #variable_vertices + #variable_edges.
/// Count free DOFs: `#variable_vertices + #variable_edges`.
inline int hyper_ideal_dimension(const ConformalMesh& mesh, const HyperIdealMaps& m)
{
int dim = 0;
@@ -74,8 +86,15 @@ inline int hyper_ideal_dimension(const ConformalMesh& mesh, const HyperIdealMaps
return dim;
}
// Assign DOF indices 0..n-1: vertices first, then edges.
// All vertices and edges become variable. Returns total DOF count.
/// Make every vertex hyper-ideal and every edge variable, assigning
/// sequential DOF indices `0..n-1` (vertices first, edges after).
///
/// This is the standard initialisation for the Springborn-2020
/// hyper-ideal functional — gauge fixing is **not** needed because
/// the energy is strictly convex on the full DOF space (no
/// rotational mode for an all-hyper-ideal configuration).
///
/// \returns total DOF count = `num_vertices(mesh) + num_edges(mesh)`.
inline int assign_all_dof_indices(ConformalMesh& mesh, HyperIdealMaps& m)
{
int idx = 0;