PermutationMapping.reordered_rank_bound: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend as PermutationMapping
Lines 167-173 of bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend&start_line=167&end_line=173

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

def reordered_rank_bound(+input: Shape.Shape, +axes: List<&2, U32>, +valid: {True{} == Layout.bijective(input, axes) : Bool}) ->
  Shape.LE(Shape.rank_dimensions(Axis.order(U32, Shape.dimensions(input), Shape.naturals(axes))), 4n):
  match input:
    case Shape.SShape{+dimensions, +size, +exact, +rank_bound, +capacity_bound}:
      %Equal.sym(Nat, Shape.rank_dimensions(Axis.order(U32, dimensions, Shape.naturals(axes))), Shape.rank_dimensions(dimensions),
        AxisAlgebra.permutation_rank(Shape.SShape{dimensions, size, exact, rank_bound, capacity_bound}, axes, valid)) : Shape.LE(_, 4n)
      rank_bound

Uses (13):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=LE
  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=naturals
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=rank_dimensions
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/axis_algebra.bend&name=permutation_rank
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/axis_spec.bend&name=order
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=bijective