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def vjp_sub

bendtorch-core@0.1.0.0 · src/autograd/tensor_backward.bend:243

import bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend as TensorBackward
import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core

243# d(a-b)/da: g; d(a-b)/db: -g, negated before it is reduced, as in PyTorch.
244def vjp_sub(+a: Nat, +b: Nat, +left: Shape.Shape, +right: Shape.Shape, g: Core.Dynamic) -> Pass:
245  subtracted_first(b, right, reduced(a, left, g))

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