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def backward

bendtorch-core@0.1.0.0 · src/autograd/tensor_backward.bend:916

import bendtorch-core@0.1.0.0/src/autograd/tensor_backward.bend as TensorBackward
import Base

916# Runs one backward of output and accumulates its gradients into the slots.
917# An output the tape does not hold is refused with UnknownNode; a tape with a
918# node that refers to itself or to a newer or missing node is refused with
919# DanglingOperand. Both refusals leave the tape unchanged.
920def backward(tape: Tape, +output: Nat) -> Tape & Result<&2, &2, Error, Unit>:
921  Tape{entries} = tape
922  planned(output, listed(entries))

Uses (8)

Used by (3)