Approx Designer

WIP

GUI: egui + egui_plot + egui_tiles

Scripting language : RustPython / LuaJIT / Rhai / Rune / Mun / Custom ? It needs fast evaluation for exhaustive evaluation (checking error for every float in bounds).

References

https://github.com/stuffmatic/microcheby

https://en.wikipedia.org/wiki/Approximation_theory

https://en.wikipedia.org/wiki/Chebyshev_polynomials

https://numerical.recipes/book.html

https://en.wikipedia.org/wiki/Discrete_cosine_transform

https://en.wikipedia.org/wiki/Clenshaw_algorithm

https://www.ams.org/journals/mcom/1955-09-051/S0025-5718-1955-0071856-0/S0025-5718-1955-0071856-0.pdf

https://mooooo.ooo/chebyshev-sine-approximation/

https://float.exposed

https://bitbashing.io/comparing-floats.html

https://github.com/chebpy/chebpy

https://sites.tufts.edu/atasissa/files/2019/09/remez.pdf

https://stackoverflow.com/questions/1914115/converting-color-value-from-float-0-1-to-byte-0-255