def opt_fin
import bendtorch-gpu@1.3.0.0/main.bend as BendtorchGpuimport Base
import bend-ml-tensor-array@0.1.18.0/main.bend as TA
import bend-ml-tensor-gpu@0.1.5.0/main.bend as TG
import bendtorch@1.3.0.0/main.bend as T
258def opt_fin(-r: Nat, -c: Nat, q: TG.R4) -> T.MatStep<r, c>:
259 match q:
260 case TG.R4{x1, x2, x3, x4, TG.O4{w, g, m, v}}: T.MatStep{TA.Mat{w}, TA.Mat{g}, T.TwoMom{TA.Mat{m}, TA.Mat{v}}}