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Changelog

0.3.0

Breaking Changes

  • Changed BezierEasing from a boxed callable function to an unboxed struct.
  • Replaced direct calls like ease(x) with ease.sample(x).
  • Kept bezier_easing(...) as the free constructor, now returning the unboxed BezierEasing struct.

Added

  • Added BezierEasing::new(...) as an associated constructor.
  • Added Criterion benchmarks comparing the unboxed implementation against the previous boxed implementation.
  • Added bitwise regression tests to verify sampled f32 and f64 values match the previous boxed implementation.

0.2.1

Added

  • Added upstream JavaScript golden-output tests for common, overshooting, steep, and degenerate curves.
  • Added boundary tests for invalid x control points, NaN/Infinity handling, endpoint preservation, unclamped inputs, and y control points outside [0, 1].
  • Added proptest coverage for endpoint invariants, deterministic outputs, identity curves, symmetric curves, and f32/f64 consistency.
  • Added a CI coverage gate requiring at least 90% line coverage for the library crate.

0.2.0

Breaking Changes

  • Changed the default easing float type to f64.
  • Added generic float support for both f32 and f64.
  • Changed bezier_easing to return a boxed callable easing function.
  • Replaced the previous sample/Newton/subdivision solver with the Cardano-based solver used by the upstream JavaScript implementation.

Added

  • Added integration tests ported from upstream gre/bezier-easing.
  • Added regression coverage for degenerate a == 0 curves matching upstream JavaScript behavior.
  • Added a Cargo workspace layout.
  • Added a WebAssembly HTML demo under examples/wasm-demo.
  • Added GitHub Actions CI and GitHub Pages deployment support.

Fixed

  • Aligned invalid x-control-point error text with upstream JavaScript.
  • Fixed documentation and examples for floating-point comparisons.

0.1.1

  • Initial Rust library release.