Bendtorch.lin_b4: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 620-623 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=620&end_line=623

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

def lin_b4(-n: Nat, -i: Nat, -o: Nat, w: TA.Mat<o, i>, b: TA.Mat<1n, o>, dx: TA.Mat<n, i>, gw: TA.Mat<o, i>, r: TA.MColSum<n, o>) -> Bwd<Lin<i, o>, TA.Mat<n, i>>:
  match r:
    case TA.MColSum{dy, gb}:
      Bwd{Lin{w, b}, dx, Lin{gw, gb}}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=bend-ml-tensor-array@0.1.19.0/main.bend&name=MColSum
  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=Bwd
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Lin