[Libre-soc-dev] [RFC] REMAP, SHAPE, complex (full) FFT

Luke Kenneth Casson Leighton lkcl at lkcl.net
Fri Jul 23 19:13:28 BST 2021


created the yield/schedule DCT variant yesterday, now have both an
inner and outer butterfly unit test.

required adding a special twin DCT mul-add instruction which is
different from the FFT mul-add.

joining the two together should be easy: my next concern is how to
easily generate the cosine table, although this is only needed for a
Vertical-First variant which i will get to in a couple of days.


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