Bendtorch.ln_s2: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 1827-1830 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=1827&end_line=1830

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

def ln_s2(-d: Nat, a: MatStep<1n, d>, c: MatStep<1n, d>) -> Step<LN<d>>:
  match a c:
    case MatStep{w, gw, sw} MatStep{b, gb, sb}:
      Step{LN{w, b}, LN{gw, gb}, OptState.map(Two<TA.Mat<1n, d>, TA.Mat<1n, d>>, LN<d>, OptState.join(TA.Mat<1n, d>, TA.Mat<1n, d>, sw, sb), x => ln_unpair(d, x), x => ln_unpair(d, x))}

Uses (9):
  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=Mat
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=LN
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=MatStep
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=OptState.join
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=OptState.map
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=Step
  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=ln_unpair