def lnb_b3
import bendtorch@1.3.0.0/main.bend as Bendtorchimport Base
import bend-ml-tensor-array@0.1.18.0/main.bend as TA
2060def lnb_b3(-n: Nat, -i: Nat, -o: Nat, w: TA.Mat<o, i>, dx: TA.Mat<n, i>, r: TA.MMulTN<o, n, i>) -> Bwd<TA.Mat<o, i>, TA.Mat<n, i>>:
2061 match r:
2062 case TA.MMulTN{dy, x, g}:
2063 Bwd{w, dx, g}