I'd expect Chebyshev polynomials to be much faster and easier to work with than splines, certainly, and probably Fourier series as well. (Especially if there ar

I'd expect Chebyshev polynomials to be much faster and easier to work with than splines, certainly, and probably Fourier series as well. (Especially if there aren't trig instructions in hardware, because then each sine or cosine is itself a chebyshev polynomial to evaluate).