Bendtorch.mul2_b2: def of bendtorch@1.3.0.0
Import: import bendtorch@1.3.0.0/main.bend as Bendtorch
Lines 2240-2244 of bendtorch@1.3.0.0/main.bend: https://jend.leeeet.dev/read.txt?path=bendtorch@1.3.0.0/main.bend&start_line=2240&end_line=2244

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

# d(a*b) = (dy*b, dy*a)
def mul2_b2(+n: Nat, +c: Nat, s: Two<TA.Mat<n, c>, TA.Mat<n, c>>, d: Two<TA.Mat<n, c>, TA.Mat<n, c>>) -> Bwd<Unit, Two<TA.Mat<n, c>, TA.Mat<n, c>>>:
  match s d:
    case Two{a, b} Two{d1, d2}:
      Bwd{Unit{}, Two{mpair_a(n, c, Ew.zip(~f32_mul, n, c, d1, b)), mpair_a(n, c, Ew.zip(~f32_mul, n, c, d2, a))}, Unit{}}

Uses (8):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  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=Ew.zip
  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=f32_mul
  https://jend.leeeet.dev/definition.txt?path=bendtorch@1.3.0.0/main.bend&name=mpair_a