Bendtorch.sm_bwd: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 1442-1445 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=1442&end_line=1445

import Base
import bend-ml-tensor-array@0.1.18.0/main.bend as TA

def sm_bwd(+n: Nat, +c: Nat, s: TA.Mat<n, c>, dy: TA.Mat<n, c>) -> Bwd<Unit, TA.Mat<n, c>>:
  match s dy:
    case TA.Mat{y} TA.Mat{d}:
      dx_fin(n, c, smb_rows(Nat.sub(n, 1n), 0, c, A2{d, y}))

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bend-ml-tensor-array@0.1.19.0/main.bend&name=Mat
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=A2
  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=dx_fin
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=smb_rows