def sg.i
import emerging-ezaudio@0.4.0.0/src/mp3_syn.bend as Mp3Synimport Base
468# negate one odd sample of an odd band
469def sg.i(hop: Nat, acc: Array<F32>, +base: U32, +ii: U32) -> Array<F32>:
470 match hop:
471 case 0n:
472 acc
473 case 1n+p:
474 sg.i(p, sg.neg(dx.at(acc, u.add(base, ii)), u.add(base, ii)), base, u.add(ii, 2))