def dc.rd2
import emerging-ezaudio@0.4.0.0/src/mp3_syn.bend as Mp3Synimport Base
528# third sample and the three secants
529def dc.rd2(got: Dx, +sec: List<&2, F32>, +kk: U32, +ii: U32, +x0: F32, +x1: F32) -> Dq:
530 match got:
531 case Dx{acc, x2}:
532 dc.rd3(dc.x3(acc, kk, ii), x0, x1, x2, f.at(sec, u.mul(ii, 3)),
533 f.at(sec, u.add(u.mul(ii, 3), 1)), f.at(sec, u.add(u.mul(ii, 3), 2)))