def reverse_composition

bendtorch-core@0.1.0.0 · src/tensor/axis_PROOF.bend:19

import Base
import bendtorch-core@0.1.0.0/src/tensor/axis_spec.bend as Axis
import bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend as Algebra

19def reverse_composition(-A: Data, -rank: Nat, -axes: List<&2, Nat>, -items: List<&2, A>, certificate: Algebra.ListFacts<A, rank, axes, items>) ->
20  {Axis.order(A, Axis.order(A, items, Axis.inverse_axes(rank, axes)), axes) == items : List<&2, A>}:
21  Algebra.Lists{selected, ranked, scattered, restored, reverse_restored, scatter_restored} = certificate
22  reverse_restored