law axis_inverse_scatter_composition

bendtorch-core@0.1.0.0 · src/tensor/axis_LAWS.bend:126

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/axis_spec.bend as Axis

126law axis_inverse_scatter_composition:
127  for -A: Data
128  for +rank: Nat
129  for +axes: List<&2, Nat>
130  for +items: List<&2, A>
131  for +bound: Shape.LE(rank, 4n)
132  for +accepted: {True{} == Axis.valid(rank, axes) : Bool}
133  for length: {List.length(&2, A, items) == rank : Nat}
134  {Axis.scatter(A, rank, Axis.inverse_axes(rank, axes), Axis.order(A, items, Axis.inverse_axes(rank, axes)), 0n) == Some{items} : Maybe<&2, List<&2, A>>}