Commit Graph

13 Commits

Author SHA1 Message Date
Mark Borgerding
09dbf36e97 kiss_fftr.c gives correct answers for forward 2003-12-07 04:04:27 +00:00
Mark Borgerding
164ab47a25 *** empty log message *** 2003-11-14 04:20:19 +00:00
Mark Borgerding
63e7df14cf fft prototype code for real fft works 2003-11-14 02:11:57 +00:00
Mark Borgerding
968e277f93 working on real optimization 2003-11-14 01:37:31 +00:00
Mark Borgerding
673c7bafa4 real_fft works 2003-11-12 02:49:04 +00:00
Mark Borgerding
206e28f11c made the factorization a separate routine 2003-11-12 01:09:35 +00:00
Mark Borgerding
30c4ee30f5 Dog slow, but does mixed radix!
'make test' output :

### testing SNR for  1024 point FFTs
#### DOUBLE
snr_t2f = 295.52
snr_f2t = 307.98
#### FLOAT
snr_t2f = 144.62
snr_f2t = 143.23
#### SHORT
snr_t2f = -31.515
snr_f2t = -60.836

#### timing 10000 x 1024 point FFTs
#### DOUBLE
Elapsed:0:44.17 user:35.11 sys:0.27
#### FLOAT
Elapsed:0:24.22 user:19.66 sys:0.16
#### SHORT
Elapsed:0:30.39 user:25.07 sys:0.09
2003-10-11 02:21:48 +00:00
Mark Borgerding
08be1d86b4 works on Fout in-place 2003-10-10 21:30:18 +00:00
Mark Borgerding
edf93e8540 closer 2003-10-10 21:24:46 +00:00
Mark Borgerding
93de2a9410 about to try to split up k into two loops 2003-10-10 21:03:50 +00:00
Mark Borgerding
66b0646c9c *** empty log message *** 2003-10-10 02:04:59 +00:00
Mark Borgerding
a2cca1b70e working towards mixed radix 2003-10-10 00:47:17 +00:00
Mark Borgerding
1330c4b3d4 python code for prototyping 2003-10-09 20:28:41 +00:00