ReshapeContract.reshape_length: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/reshape_contract.bend as ReshapeContract
Lines 114-120 of bendtorch-core@0.1.0.0/src/tensor/reshape_contract.bend: https://jend.leeeet.dev/read.txt?path=bendtorch-core@0.1.0.0/src/tensor/reshape_contract.bend&start_line=114&end_line=120

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
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/read_contract.bend as Reads
import bendtorch-core@0.1.0.0/src/tensor/transform_observation.bend as Observation

def reshape_length(+input: Shape.Shape, +fill: F32, +target: Shape.Shape, +same: {Shape.logical_numel(Shape.dimensions(input)) == Shape.logical_numel(Shape.dimensions(target)) : Nat}) ->
  {Observation.reshape_length(input, Shape.dimensions(target), Core.new(input, fill)) == Some{Shape.logical_numel(Shape.dimensions(target))} : Maybe<&2, Nat>}:
  Reads.new_lift(input, fill, result => {Observation.reshape_length(input, Shape.dimensions(target), result) == Some{Shape.logical_numel(Shape.dimensions(target))} : Maybe<&2, Nat>},
    valid => reshape_lift(input, target, StorageLaws.created(Shape.count(input), fill), valid, same,
        result => {Observation.output_length(result) == Some{Shape.logical_numel(Shape.dimensions(target))} : Maybe<&2, Nat>},
        output => preserved => fits => Equal.cong(Nat, Maybe<&2, Nat>, number => Some{number}, Lifecycle.logical_length(StorageLaws.created(Shape.count(input), fill)), Shape.logical_numel(Shape.dimensions(target)),
          Equal.trans(Nat, Lifecycle.logical_length(StorageLaws.created(Shape.count(input), fill)), Shape.logical_numel(Shape.dimensions(input)), Shape.logical_numel(Shape.dimensions(target)), Reads.created_exact(input, fill), same))))

Uses (17):
  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=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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=count
  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/storage/LAWS.bend&name=created
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/core.bend&name=new
  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/read_contract.bend&name=created_exact
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/read_contract.bend&name=new_lift
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/reshape_contract.bend&name=reshape_lift
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/transform_observation.bend&name=output_length
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/transform_observation.bend&name=reshape_length