SPLINES - REFACTOR - BicubicSpline evaluation via FastInterpolations ND API#146
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logan-nc merged 1 commit intospline_migration_FastInterpolationsfrom Feb 8, 2026
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…e CubicInterpolantND for cleaner API
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@logan-nc
FastInterpolations.jl v0.2.8 is released and now it provides the generic ND cubic spline APIs.
This is a small refactoring PR (using the new API) into your PR (spline_migration_FastInterpolations) to avoid unintentional conflicts, while you're working on it.
Summary
BicubicSpline.jlwith the newCubicInterpolantNDAPI from FastInterpolations.jl (requires >=v0.2.8)evaluate!,deriv1!,deriv2!now delegate toitp(query; deriv=...)gradient!,hessian!, hint-based search)Changes
itps::Vector{CubicInterpolantND}field, removeperiodic_x/y,_last_ix/iy_fill_derivatives_impl!(4 BC variants),_bicube_getco!,_find_interval,_bicubic_wrap_periodic,_make_extrap_bcfsx/fsy/fsxyfromnodal_derivs.partials>=0.2.8