PermuteValues.permuted_length: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/permute_values.bend as PermuteValues
Lines 324-337 of bendtorch-core@0.1.0.0/src/tensor/permute_values.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_values.bend&start_line=324&end_line=337

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend as Lifecycle
import bendtorch-core@0.1.0.0/src/tensor/layout.bend as Layout
import bendtorch-core@0.1.0.0/src/tensor/from_values_contract.bend as FromValues
import bendtorch-core@0.1.0.0/src/tensor/contracts/replayed.bend as Replayed
import bendtorch-core@0.1.0.0/src/tensor/index_map.bend as IndexMap
import bendtorch-core@0.1.0.0/src/tensor/transform_observation.bend as Observation
import bendtorch-core@0.1.0.0/src/tensor/permute_build_proof.bend as PermuteProof

def permuted_length(+input: Shape.Shape, +values: List<&2, F32>, +axes: List<&2, U32>, +valid: {True{} == Layout.bijective(input, axes) : Bool},
  -fits: {Lifecycle.logical_length(Replayed.storage(input, 0.0, FromValues.writes(values, 0n))) == Shape.logical_numel(Shape.dimensions(input)) : Nat}) ->
  Permuted(input, values, axes, fits, pair => {Observation.applied_length_pair(input, pair) ==
    Some{Shape.logical_numel(Shape.dimensions(input))} : Maybe<&2, Nat>}):
  permute_lift(input, values, axes, valid, pair => {Observation.applied_length_pair(input, pair) ==
      Some{Shape.logical_numel(Shape.dimensions(input))} : Maybe<&2, Nat>},
    plan => source_fits => target_fits =>
      +output = Layout.output(input, axes, plan)
      +total = Shape.logical_numel(Shape.dimensions(output))
      -made = written(input, axes, plan, 0.0, FromValues.writes(values, 0n), total)
      Equal.cong(Nat, Maybe<&2, Nat>, number => Some{number}, Lifecycle.logical_length(made), Shape.logical_numel(Shape.dimensions(input)),
        Equal.trans(Nat, Lifecycle.logical_length(made), total, Shape.logical_numel(Shape.dimensions(input)),
          Replayed.fits(output, 0.0, IndexMap.writes(~Request, ~source_of, total, Request{input, axes}, input, 0.0, FromValues.writes(values, 0n))),
          PermuteProof.plan_numel(input, axes, plan))), fits)

Uses (25):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  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=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/tensor/contracts/replayed.bend&name=fits
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/contracts/replayed.bend&name=storage
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/from_values_contract.bend&name=writes
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/index_map.bend&name=writes
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=bijective
  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/lifecycle.bend&name=logical_length
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_build_proof.bend&name=plan_numel
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_values.bend&name=Permuted
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_values.bend&name=Request
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_values.bend&name=permute_lift
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_values.bend&name=source_of
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permute_values.bend&name=written
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/transform_observation.bend&name=applied_length_pair