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12 Commits

Author SHA1 Message Date
jzmaddock
9d8f5b107c Correct macro usage in chebyshev_transform_test.cpp 2022-01-18 09:24:37 +00:00
jzmaddock
81cfd85df5 Begin to systematically remove direct use of lexical_cast in favour of existing abstractions. 2022-01-16 17:36:50 +00:00
Nick
c59659f4ed Reinch's modification to Clenshaw recurrence (#339)
* Reinch's modification to Clenshaw recurrence. [CI SKIP]

* Convert Chebyshev tests to math_unit_test.hpp

* Performance of translated Chebyshev Clenshaw recurrence. [CI SKIP]

* Prepare to use modified Clenshaw recurrence in Chebyshev transform.

* Remove unused headers from Chebyshev transform test [CI SKIP]

* Update Chebyshev transform tests to use math_unit_test.hpp
2020-04-25 09:01:05 -04:00
Nick Thompson
9b14fff12e Remove header deprecation warnings. 2019-08-10 08:50:12 -04:00
jzmaddock
390fc04bf0 Add libfftw3 support to the tests and fix up one failure that results. 2019-03-02 19:55:44 +00:00
jzmaddock
f33bcd5488 Chebyshev expected error rates are too strict - relax them a little.
[CI SKIP]
2018-02-21 19:33:01 +00:00
John Maddock
2eabd87de1 Math.Chebyshev: Fix up chebeshev_transform for more types. 2017-09-21 19:13:36 +01:00
jzmaddock
9ee7a93678 Math.Chebyshev: Modify chebyshev_transform to dispatch to correct fftw3 functions.
Begin to hook up fftw3 tests.
2017-09-21 13:40:23 +01:00
Nick Thompson
956864cbd5 Recurse when grid isn't sufficiently refined. Optimization potential exists by reusing function evaluations. 2017-09-17 21:16:48 -06:00
Nick Thompson
2cb935ec17 Use std::enable_if to obviate the need for C++17 if constexpr. 2017-09-17 16:23:50 -06:00
Nick Thompson
0acb51b78d Linear time and numerically stable evaluation of derivative of Chebyshev series by a modified Clenshaw recurrence. 2017-09-17 14:02:43 -06:00
Nick Thompson
fe5d59d0f1 Split tests into FFTW-dependent and FFTW-independent. Improve documentation to the extent feasible. 2017-09-16 19:58:59 -06:00