PermuteBuildProof.built_meaning: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/permute_build_proof.bend as PermuteBuildProof
Lines 491-505 of bendtorch-core@0.1.0.0/src/tensor/permute_build_proof.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_build_proof.bend&start_line=491&end_line=505

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/layout.bend as Layout
import bendtorch-core@0.1.0.0/src/storage/main.bend as Storage
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/tensor/transforms.bend as Transforms

# The parallel copy meets the copy loop's meaning on every source and target.
def built_meaning(+input: Shape.Shape, +axes: List<&2, U32>, +plan: Layout.Plan<input, axes>, source: Core.Tensor<input>,
  target: Core.Tensor<Layout.output(input, axes, plan)>) ->
  Transforms.LoopMeaning(input, axes, plan, source, Shape.logical_numel(Shape.dimensions(Layout.output(input, axes, plan))), Transforms.built(input, axes, plan, source, target)):
  Core.TTensor{storage, exact} = target
  match storage:
    case Storage.Empty{}:
      Transforms.Prefix{other => {==},
        other => earlier => Empty.absurd({U32.to_nat(U32.from_nat(other)) == other : Nat}, empty_below(Layout.output(input, axes, plan), other, exact, earlier)),
        other => earlier => Empty.absurd(Core.ObservationChecked(Core.Packed{Layout.output(input, axes, plan), Core.TTensor{Storage.Empty{}, exact}}, U32.from_nat(other)),
          empty_below(Layout.output(input, axes, plan), other, exact, earlier)),
        other => earlier => Empty.absurd({Core.checked_observe(Layout.output(input, axes, plan), Core.TTensor{Storage.Empty{}, exact}, U32.from_nat(other)) ==
          Transforms.expected_output(input, axes, plan, source, U32.from_nat(other)) : Maybe<&2, F32>}, empty_below(Layout.output(input, axes, plan), other, exact, earlier))}
    case Storage.Owned{+d, +n, array, balanced, valid}:
      owned_meaning(input, axes, plan, d, n, valid, exact, source)

Uses (24):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.from_nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=Shape
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=logical_numel
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/main.bend&name=Storage
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=Dynamic
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=ObservationChecked
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=Tensor
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=checked_observe
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=Plan
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=output
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_build_proof.bend&name=empty_below
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_build_proof.bend&name=owned_meaning
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/transforms.bend&name=LoopMeaning
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/transforms.bend&name=Prefix
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/transforms.bend&name=built
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/transforms.bend&name=expected_output