Bendtorch.ln_bwd: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 1814-1817 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=1814&end_line=1817

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

def ln_bwd(+n: Nat, +d: Nat, +eps: F32, p: LN<d>, x: TA.Mat<n, d>, dy: TA.Mat<n, d>, gg: LN<d>) -> Bwd<LN<d>, TA.Mat<n, d>>:
  match p x dy:
    case LN{TA.Mat{g}, b} TA.Mat{xa} TA.Mat{da}:
      ln_b2(d, n, b, gg, lnb_rows(Nat.sub(n, 1n), 0, d, F32.from_nat(d), eps, R4B{xa, da, g, zeros_a(Nat.mul(n, d)), A2{zeros_a(d), zeros_a(d)}}))

Uses (13):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.from_nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.mul
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.sub
  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=LN
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=R4B
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=ln_b2
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=lnb_rows
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=zeros_a