Interpax

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- Fixes for scalar valued query points
- Fixes for interpolating vector valued functions

**Full Changelog**: https://github.com/f0uriest/interpax/compare/v0.2.3...v0.2.4

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- Add type annotations

**Full Changelog**: https://github.com/f0uriest/interpax/compare/v0.2.2...v0.2.3

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- Add ``approx_df`` to public API

**Full Changelog**: https://github.com/f0uriest/interpax/compare/v0.2.1...v0.2.2

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- More efficient nearest neighbor search
- Correct slopes for linear interpolation in 2d, 3d
- Fix for cubic2 splines in 2d and 3d
Forward and reverse mode AD now fully working and tested

**Full Changelog**: https://github.com/f0uriest/interpax/compare/v0.2.0...v0.2.1

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- Adds convenience classes for spline interpolation that cache the derivative calculation.

**Full Changelog**: https://github.com/f0uriest/interpax/compare/v0.1.0...v0.2.0

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Initial release