[Libre-soc-dev] [RFC] REMAP, SHAPE, complex (full) FFT
Luke Kenneth Casson Leighton
lkcl at lkcl.net
Sun Jul 18 22:57:53 BST 2021
i've moved on to DCT now, not the version that uses FFT followed by
extraction of real coefficients.
most DCT algorithms unfortunately are either expressed inline as a
massive batch of unintelligible hand-created MULADDs, or as assembler,
or as recursive algorithms.
i found *one* iterative butterfly implementation in c++ and it
completely failed to work.
currently struggling with converting a recursive implementation to iterative.
i could really do with some assistance.
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