def but.use
import emerging-ezaudio@0.4.0.0/src/mp3_syn.bend as Mp3Synimport Base
629# butterfly one row. The eight inputs are one slice of the working Array.
630def but.use(got: Il, +base: U32) -> Array<F32>:
631 match got:
632 case Il{acc, ys}:
633 but.sum8(acc, ys, base)