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e3fe1598f0
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bunch of minor code cleanup
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2004-02-27 03:45:12 +00:00 |
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ac2eb527b7
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fftnd now uses forward struct declaration
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2004-02-24 01:38:52 +00:00 |
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b9edc58bad
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psdpng does not yet work, but it will create a png
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2004-02-01 22:12:35 +00:00 |
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75393dc4fa
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*** empty log message ***
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2004-01-31 16:26:42 +00:00 |
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366f17e379
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getting ready for 1.1
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2004-01-31 01:28:21 +00:00 |
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9ddb2bb744
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*** empty log message ***
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2004-01-30 03:40:54 +00:00 |
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25e377eaa8
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fast conv filtering small edits
2d files no longer needed with kiss_fftnd
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2004-01-24 01:34:01 +00:00 |
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227c021f39
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extra cleanup
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2004-01-04 23:15:44 +00:00 |
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e749a114cb
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real fast convolution filtering works mostly, sometimes it does not
make all the samples ( obeserved with ./fastfir.py -n 1024 -r -l 100000 )
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2004-01-01 18:51:17 +00:00 |
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0243552944
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fast convolution filtering works at least for complex numbers.
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2003-12-31 22:49:14 +00:00 |
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ec3b64a62e
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added test code for kiss_fftnd
FFTs can now have an arbitrary # of dimensions
Also, buffer copies are eliminated.
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2003-12-30 05:56:50 +00:00 |
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10a4a5c46b
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2d fft now uses kiss_fft_stride to avoid buffer copies.
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2003-12-29 21:07:19 +00:00 |
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4552a14801
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added stride to fft input -- should simplify multi-dimensional FFTs
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2003-12-29 18:50:13 +00:00 |
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630089ded6
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kfc works
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2003-12-29 16:46:27 +00:00 |
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cd94cd1ed0
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testing kfc (kiss fft cache)
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2003-12-29 16:38:03 +00:00 |
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f4961ed74b
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fixed a bug with nfft==1
and added utility for more testing
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2003-12-16 03:43:05 +00:00 |
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95a7b856d1
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compiles OK under MAC OS X
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2003-12-15 03:53:14 +00:00 |
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6b23ebb5c1
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getting ready for v100
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2003-12-15 03:23:46 +00:00 |
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573536f48f
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fixed scaling for short real
moved fft.py from ./ to sample_code
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2003-12-14 05:13:11 +00:00 |
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559c14b49b
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changed alloc functions to allow for initialization of user-supplied buffer
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2003-12-14 03:02:30 +00:00 |
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ef7f8ff6c0
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getting ready to release version 1.0
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2003-12-11 01:54:42 +00:00 |
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09dbf36e97
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kiss_fftr.c gives correct answers for forward
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2003-12-07 04:04:27 +00:00 |
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39d2974fe3
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'make snr' now tests 2d ffts
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2003-12-04 04:08:52 +00:00 |
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f3c4a9e9ca
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internal checkpoint
split kiss_fft.c into multiple files. It seems the best approach, all things considered.
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2003-12-04 02:38:50 +00:00 |
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206e28f11c
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made the factorization a separate routine
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2003-11-12 01:09:35 +00:00 |
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140f106743
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benchmark utilities now give memory info
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2003-11-08 02:48:02 +00:00 |
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e9095a161c
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generic butterfly slightly slower -- hmmm
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2003-11-07 02:39:49 +00:00 |
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4ebf0b5aca
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aded a CHANGELOG
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2003-11-04 02:09:53 +00:00 |
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6c8049cc75
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slight changes to Makefile
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2003-11-04 01:01:37 +00:00 |
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3c0c0431e2
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radix 5 works, but is 6x slower than fftw
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2003-11-03 03:03:16 +00:00 |
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8ac63adc77
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modified time benchmark to repeat same buffer over and over to avoid IO bottlenecks and get more consistent numbers.
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2003-11-01 04:44:50 +00:00 |
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28551899e2
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radix 4 faster
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2003-11-01 03:49:53 +00:00 |
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d4f87befda
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re-added radix 3 butterfly
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2003-10-30 02:02:29 +00:00 |
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ca4c74e07c
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Woops, one should not test with input of all zeros
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2003-10-29 04:29:01 +00:00 |
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1db3d91ee5
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getting ready for next release
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2003-10-26 04:07:32 +00:00 |
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bca7fd5151
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compiles with -ansi -pedantic
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2003-10-18 01:23:34 +00:00 |
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6f8bcedc24
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radix 3 fixed point still broken
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2003-10-17 02:59:32 +00:00 |
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317f11e66e
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starting point for radix 3
'make test' output
### testing SNR for 2187 point FFTs
#### DOUBLE
snr_t2f = 292.51
snr_f2t = 304.97
#### FLOAT
snr_t2f = 143.46
snr_f2t = 138.03
#### SHORT
snr_t2f = 49.257
snr_f2t = 16.294
#### timing 10000 x 2187 point FFTs
#### DOUBLE
Elapsed:0:05.05 user:3.60 sys:0.54
#### FLOAT
Elapsed:0:02.41 user:1.85 sys:0.23
#### SHORT
Elapsed:0:04.02 user:3.13 sys:0.08
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2003-10-17 00:11:19 +00:00 |
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1cd00ce9f5
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simplified testing (hopefully)
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2003-08-13 01:54:21 +00:00 |
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b095bec02d
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NFFT is configurable
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2003-08-12 23:28:01 +00:00 |
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a962dc2681
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took utility/test code out of main source file and moved down to sample_code
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2003-08-10 15:39:15 +00:00 |
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