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Commit Graph

42 Commits

Author SHA1 Message Date
Damiano Franzò
db85838ee2 Add DUCC FFT support 2025-05-12 17:56:02 +00:00
Alexey Korepanov
ec18dd09c8 fix pi in kissfft 2024-08-02 22:57:47 +00:00
Tobias Wood
f38e16c193 Apply clang-format 2023-11-29 11:12:48 +00:00
Antonio Sánchez
6e4d5d4832 Add IWYU private pragmas to internal headers. 2023-08-21 16:25:22 +00:00
Andrzej Ciarkowski
1698c367a0 Use std::shared_ptr for FFTW/IMKL FFT plan implementation; Fixes #2651 2023-05-05 16:58:23 +00:00
Oleg Shirokobrod
f542b0a71f Adding an MKL adapter in FFT module. 2022-06-02 18:10:43 +00:00
Guoqiang QI
00b75375e7 Adding PocketFFT support in FFT module since kissfft has some flaw in accuracy and performance 2022-05-11 17:44:22 +00:00
Rasmus Munk Larsen
d7d0bf832d Issue an error in case of direct inclusion of internal headers. 2021-09-10 19:12:26 +00:00
Alexander Karatarakis
4ba872bd75 Avoid leading underscore followed by cap in template identifiers 2021-08-04 22:41:52 +00:00
Christoph Hertzberg
4fb3459a23 Fix double-promotion warnings 
(cherry picked from commit c22c103e932e511e96645186831363585a44b7a3)
 2021-02-27 18:44:26 +01:00
Guoqiang QI
f44197fabd Some improvements for kissfft from Martin Reinecke(pocketfft author): 
1.Only computing about half of the factors and use complex conjugate symmetry for the rest instead of all to save time.
2.All twiddles are calculated in double because that gives the maximum achievable precision when doing float transforms.
3.Reducing all angles to the range 0<angle<pi/4 which gives even more precision.
 2021-02-24 21:36:47 +00:00
David Tellenbach
36200b7855 Remove vim specific comments to recognoize correct file-type. 
As discussed in #2143 we remove editor specific comments.
 2021-02-09 09:13:09 +01:00
Gael Guennebaud
f0a4642bab Implement c++03 compatible fix for changeset 7a43af1a33 2019-10-09 16:00:57 +02:00
Jonathan Liu
b7689bded9 Use std::complex constructor instead of assignment from scalar 
Fixes GCC conversion to non-scalar type requested compile error when
using boost::multiprecision::cpp_dec_float_50 as scalar type.
 2018-06-28 00:32:37 +10:00
Gael Guennebaud
35a8e94577 bug #1167: simplify installation of header files using cmake's install(DIRECTORY ...) command. 2016-08-29 10:59:37 +02:00
Gael Guennebaud
a76fbbf397 Fix bug #314: 
- remove most of the metaprogramming kung fu in MathFunctions.h (only keep functions that differs from the std)
- remove the overloads for array expression that were in the std namespace
 2012-11-06 15:25:50 +01:00
Benoit Jacob
69124cfca2 Automatic relicensing to MPL2 using Keirs script. Manual fixup follows. 2012-07-13 14:42:47 -04:00
Jitse Niesen
3c412183b2 Get rid of include directives inside namespace blocks (bug #339). 2012-04-15 11:06:28 +01:00
Thomas Capricelli
08074843ac fix few warnings reported by clang 2011-07-07 22:20:04 +02:00
Gael Guennebaud
03d86ea736 fix intallation of unsupported modules 2011-02-16 17:59:35 +01:00
Jitse Niesen
9cd4f67e7f Specify root namespace for fftw_plan from FFTW3 library. 
After changeset 4716040703
 (the ei_ --> internal:: change), there are two symbols
called fftw_plan, one from the FFTW3 library and one from Eigen.
 2010-12-12 11:44:30 +00:00
Benoit Jacob
4716040703 bug #86 : use internal:: namespace instead of ei_ prefix 2010-10-25 10:15:22 -04:00
Mark Borgerding
8f51a4ac90 found out about little-documented FFTW_PRESERVE_INPUT which has effect on c2r transforms 2010-02-16 20:44:48 -05:00
Mark Borgerding
cd7912313d changed FFT function vector and Matrix args to pointer as Benoit suggested 
implemented 2D Complex FFT for FFTW impl
 2010-01-22 00:35:03 -05:00
Hauke Heibel
d088ee35f6 Added to possibility to compile unit tests at maximum warning level. 
Silenced (amongst others) many conversion related warnings.
 2009-12-12 11:39:07 +01:00
Marton Danoczy
ffaea19a70 Fixed compilation warnings in MSVC with Scalar==float 2009-12-03 14:01:34 +01:00
Mark Borgerding
ec70f8006b added inlines to a bunch of functions 2009-10-31 00:13:22 -04:00
Mark Borgerding
4c3345364e moved half-spectrum logic to Eigen::FFT 2009-10-30 23:38:13 -04:00
Mark Borgerding
d659fd9b14 moved real-half-spectrum reflection into Eigen::FFT 2009-10-30 20:26:30 -04:00
Mark Borgerding
a26b729cc9 moved scaling to Eigen::FFT 2009-10-30 19:50:11 -04:00
Mark Borgerding
e3d08443dc inlining,all namespace declaration moved to FFT, removed preprocessor definitions, 2009-10-21 20:53:05 -04:00
Mark Borgerding
1fd6dfe428 added ei_fftw_impl 2009-05-30 17:55:47 -04:00
Mark Borgerding
f13e000b45 various comment changes 2009-05-27 21:32:42 -04:00
Mark Borgerding
09b4733255 added real-optimized inverse FFT (NFFT must be multiple of 4) 2009-05-25 23:52:21 -04:00
Mark Borgerding
03ed6f9bfb refactored ei_kissfft_impl to maintain a cache of cpx fft plans 2009-05-25 23:06:49 -04:00
Mark Borgerding
210092d16c changed name from simple_fft_traits to ei_kissfft_impl 2009-05-25 20:35:24 -04:00
Mark Borgerding
326ea77390 added FFT inverse complex-to-scalar interface (not yet optimized) 2009-05-23 22:50:07 -04:00
Mark Borgerding
3047988172 scalar forward FFT optimized for even size, converts to cpx for odd 2009-05-23 12:50:07 -04:00
Mark Borgerding
9c0fcd0f62 started real optimization, added benchmark for FFT 2009-05-23 10:09:48 -04:00
Mark Borgerding
8b4afe3deb added non-optimized real forward fft (no inverse yet) 2009-05-22 22:37:59 -04:00
Mark Borgerding
68cad98bc9 indent level change 2009-05-19 00:34:38 -04:00
Mark Borgerding
92ca9fc032 initial pass of FFT module -- includes complex 1-d case only 2009-05-19 00:21:04 -04:00