def second_value_projection

bendtorch-core@0.1.0.0 · src/tensor/clone_contract.bend:32

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/storage/main.bend as Storage
import bendtorch-core@0.1.0.0/src/storage/LAWS.bend as StorageLaws
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/tensor/lifecycle.bend as Lifecycle
import bendtorch-core@0.1.0.0/src/tensor/observation.bend as Observation

32def second_value_projection(-shape: Shape.Shape, -original: Storage.Storage, -valid: {Lifecycle.logical_length(original) == Shape.logical_numel(Shape.dimensions(shape)) : Nat}, +other: U32,
33  pair: Storage.Storage & Storage.Storage, -same: {pair == Storage.clone(original) : Storage.Storage & Storage.Storage}) ->
34  {Observation.clone_second_value_pair(shape, other, Core.clone_result(shape, original, valid, pair, same)) ==
35    Lifecycle.read_value(Storage.get(StorageLaws.outcome(Storage.Storage, pair), other)) : Maybe<&2, F32>}:
36  (first, second) = pair
37  Core.read_result_value(shape, second,
38    Equal.trans(Nat, Lifecycle.logical_length(second), Lifecycle.logical_length(original), Shape.logical_numel(Shape.dimensions(shape)),
39      %Equal.sym(Storage.Storage & Storage.Storage, (first, second), Storage.clone(original), same) :
40        {Lifecycle.second_length(_) == Lifecycle.logical_length(original) : Nat}
41      Lifecycle.clone_second_length(original), valid),
42    other, Storage.get(second, other), {==})