55 commits

Author	SHA1	Message	Date
Allan Bazinet	7e8afe7cfc	Ensure 1e-16 precision from Taylor series	2024-11-27 12:48:00 -08:00
Allan Bazinet	a0c9f3820c	Increase default terms to 11	2024-11-27 12:32:56 -08:00
Allan Bazinet	f2d9e16082	Precompute Chebyshev node factors ... We can do all the expensive trig functions at compile time, once.	2024-11-27 11:07:57 -08:00
Allan Bazinet	5d3042dfea	Hoist Chebyshev invariants	2024-11-27 10:16:01 -08:00
Allan Bazinet	7888edc8a4	Precompute base offset	2024-11-27 07:29:03 -08:00
Allan Bazinet	775553634e	Inline span handling	2024-11-27 07:20:51 -08:00
Allan Bazinet	159084f4b7	Use clamp()	2024-11-27 07:05:04 -08:00
Allan Bazinet	8c8c82b3ae	Simplify range limit calculations, as if by span	2024-11-27 06:59:22 -08:00
Allan Bazinet	56df0a4ab0	Ensure compile-time computations	2024-11-27 06:11:31 -08:00
Allan Bazinet	150670f935	Evalulate methods should be const	2024-11-27 05:54:11 -08:00
Allan Bazinet	2462a1f99f	Evaluation to member functions	2024-11-27 05:19:57 -08:00
Allan Bazinet	93958bea36	Coefficients vector size is known in advance	2024-11-27 04:30:18 -08:00
Allan Bazinet	5ce351f352	Add template argument	2024-11-26 14:43:22 -08:00
Allan Bazinet	1132c37820	Cleanup and commentary	2024-11-26 14:38:05 -08:00
Allan Bazinet	129ad7f914	Commentary	2024-11-26 12:37:31 -08:00
Allan Bazinet	6ce552123a	Commentary	2024-11-26 12:28:40 -08:00
Allan Bazinet	5c5312b61d	Use comma initializer syntax	2024-11-26 11:58:32 -08:00
Allan Bazinet	e6d6c966cf	Commentary	2024-11-26 10:15:36 -08:00
Allan Bazinet	6d56282358	Move Vandemonde matrix to heap allocation	2024-11-26 09:40:46 -08:00
Allan Bazinet	f1fbec1340	Reduce polynomial degree to 5	2024-11-26 09:26:28 -08:00
Allan Bazinet	48bbf063d1	Test with points driven by degree, 7 degrees	2024-11-26 09:11:54 -08:00
Allan Bazinet	dc654bc3c8	Use std::size_t for integer sequence count	2024-11-26 07:44:31 -08:00
Allan Bazinet	13bec7b99f	Experiment with 10 points, not 64	2024-11-26 07:16:14 -08:00
Allan Bazinet	21997538b1	Use overloading for evaluate fold	2024-11-26 07:00:26 -08:00
Allan Bazinet	0ffaaf98f6	Fix make_integer_sequence and inline	2024-11-26 06:45:08 -08:00
Allan Bazinet	016ff20fe4	Handle any odd degree polynomial via unrolling	2024-11-26 00:32:23 -08:00
Allan Bazinet	cd758034eb	Manually unroll Estrin’s evaluation	2024-11-25 22:59:37 -08:00
Allan Bazinet	7ef5ec089f	Inline Estrin’s method	2024-11-25 22:03:52 -08:00
Allan Bazinet	d73c7bb88a	Remove debug	2024-11-25 21:04:15 -08:00
Allan Bazinet	d3de887d24	Tune polynomial loop	2024-11-25 21:03:04 -08:00
Allan Bazinet	2403766d81	Use inline namespace	2024-11-25 20:46:18 -08:00
Allan Bazinet	ccfcafcf90	Inline Chebyshev computation to loop	2024-11-25 20:41:48 -08:00
Allan Bazinet	35e7027d1c	Return spans as vector	2024-11-25 20:32:29 -08:00
Allan Bazinet	d17ff6a6aa	Compute Chebyshev spans at runtime, on width	2024-11-25 19:49:38 -08:00
Allan Bazinet	0361080665	Flattening experiment, Chebyshev, Estrin	2024-11-25 12:59:01 -08:00
Allan Bazinet	03efbfdad1	Revert to original polynomial fit	2024-11-24 05:41:47 -08:00
Allan Bazinet	fb13796eb4	Ongoing polynomial fit weighting experimentation	2024-11-23 17:12:35 -08:00
Allan Bazinet	31ce8c981f	Use proper numeric types	2024-11-23 11:23:49 -08:00
Allan Bazinet	648d0afebc	A weighted polynomial approach for Joe to test ... Applies a gaussian weighting to the center, rolling off the edges. We could also do a linear weighting if that’d be more appropriate, but gaussian seems likely to be our best bet here. Change the 2.0 sigman divisor to change the number of standard deviations from the mean.	2024-11-23 10:48:23 -08:00
Allan Bazinet	bcc85ccb6f	Add missing header	2024-11-23 09:47:34 -08:00
Allan Bazinet	938fadaa8e	Update commentary	2024-11-23 09:38:27 -08:00
Allan Bazinet	8ff0930d56	Commentary	2024-11-23 09:30:08 -08:00
Allan Bazinet	39a406044a	Copy the range in computeBase()	2024-11-23 09:13:26 -08:00
Allan Bazinet	b0b9007a99	Clean up flatten algorithm	2024-11-23 08:54:45 -08:00
Allan Bazinet	d24ea6dfd3	Use in-tree Eigen source	2024-11-23 06:06:42 -08:00
Allan Bazinet	8307bb8387	Use pimp idiom for WF::Flatten	2024-11-23 06:02:11 -08:00
Allan Bazinet	445e09a596	Use explicit FLATTEN_TERMS	2024-11-22 22:34:34 -08:00
Allan Bazinet	267ad6d976	Use column pivoting Householder’s variant	2024-11-22 22:27:25 -08:00
Allan Bazinet	f5f2e1934f	Use unrolled Horner’s method	2024-11-22 22:10:32 -08:00
Allan Bazinet	25025916c8	Commentary	2024-11-22 21:22:50 -08:00