law gather_shape_refused

bendtorch-core@0.1.0.0 · src/tensor/gather_LAWS.bend:149

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/signed.bend as Signed
import bendtorch-core@0.1.0.0/src/tensor/gather.bend as Gather

149law gather_shape_refused:
150  for +input: Shape.Shape
151  for +dim: Signed.Position
152  for +index: Shape.Shape
153  for +entries: List<&2, U32>
154  for counted: {Nat.is_eq(length(entries), Shape.elements(index)) == True{} : Bool}
155  for in_rank: {Nat.is_lt(axis(input, dim), rank(input)) == True{} : Bool}
156  for ranked: {Nat.is_eq(Shape.rank_dimensions(Shape.dimensions(index)), rank(input)) == True{} : Bool}
157  for unmatched: {others(Shape.dimensions(input), Shape.dimensions(index), axis(input, dim)) == False{} : Bool}
158  {Gather.gather_plan(input, dim, Gather.Index{index, entries}) == Fail{Gather.IndexShapeMismatch{}} :
159    Result<&2, &2, Gather.Error, Gather.Planned>}