Add spline theory pages, example programs, and infrastructure#49
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Add spline theory pages, example programs, and infrastructure#49
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Four new pages covering the mathematical foundations: - theory_bsplines.md: B-spline basis, Cox-de Boor recurrence, de Boor evaluation, derivatives, integration, knot insertion, tensor products - theory_curve_fitting.md: smoothing criterion, adaptive knot placement, periodic/parametric extensions, convexity constraints - theory_surface_fitting.md: tensor product splines, scattered vs gridded fitting, Kronecker product efficiency, parametric surfaces - theory_special_domains.md: polar coordinate transform, origin continuity, spherical coordinates, pole boundary conditions All use Doxygen \f$ MathJax formatting with @ref cross-references.
One example per type group, registered in fpm.toml as [[example]] entries: - example_curve: noisy sine wave, smoothing sweep, derivatives, zeros - example_periodic_curve: cos(x)+sin(2x) on [0,2pi], periodicity check - example_parametric_curves: Lissajous, closed ellipse, constrained spiral - example_convex_curve: concavity-constrained exponential decay - example_surface: scattered sin(pi*x)*cos(pi*y) on [0,1]^2 - example_grid_surface: peaks function grid + parametric torus - example_polar: scattered/gridded data on unit disc - example_sphere: scattered/gridded spherical harmonic data All build with `fpm run --example <name>` and produce diagnostic output.
- Doxyfile: add INPUT entries for 4 theory + 8 tutorial pages, set IMAGE_PATH to doc/media - mainpage.md: restructure into Spline Theory, Tutorials (Curves, Surfaces, Special Domains), Examples, and Reference sections
perazz
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Feb 19, 2026
During the PR #49 rebase, both files were accidentally replaced with `git show` output (commit message + unified diff). Restore the correct 317-line Doxyfile (theme, MathJax, HTML header) and 130-line mainpage.
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Summary
fpm run --example <name>Builds on #48 (fixes) and the tutorial/plot-script changes already merged to main.
Test plan
fpm buildsucceedsfpm test— 59/59 tests passdoxygen Doxyfile— zero warnings from doc pages