Bendtorch.both_bwd: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 2143-2146 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=2143&end_line=2146

import Base

def both_bwd(~P1: Type, ~P2: Type, ~X1: Type, ~X2: Type, ~Y1: Type, ~Y2: Type, ~S1: Type, ~S2: Type, ~la: Layer<P1, X1, Y1, S1>, ~lb: Layer<P2, X2, Y2, S2>, p: Two<P1, P2>, s: Two<S1, S2>, dy: Two<Y1, Y2>, g: Two<P1, P2>) -> Bwd<Two<P1, P2>, Two<X1, X2>>:
  match p s dy g:
    case Two{p1, p2} Two{s1, s2} Two{d1, d2} Two{g1, g2}:
      both_b2(~P1, ~X1, ~Y1, ~S1, ~la, P2, X2, p1, s1, d1, g1, Layer.bwd(P2, X2, Y2, S2, lb, p2, s2, d2, g2))

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Bwd
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Layer
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Layer.bwd
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Two
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=both_b2