PermutationMapping.mapping_decided_success: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend as PermutationMapping
Lines 708-726 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=708&end_line=726

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/storage/arith.bend as Arith

def mapping_decided_success(+input: Shape.Shape, +axes: List<&2, U32>, +plan: Layout.Plan<input, axes>, +index: U32,
  decision: Shape.BoolCase<U32.is_lt(index, Shape.count(Layout.output(input, axes, plan)))>,
  inside: {True{} == U32.is_lt(index, Shape.count(Layout.output(input, axes, plan))) : Bool}) ->
  {Result.is_done(&2, &2, Layout.Error, Layout.Mapping<input, axes, plan, index>, Layout.map_decided(input, axes, plan, index, decision)) == True{} : Bool}:
  match decision:
    case Shape.BFalse{equal}:
      Empty.absurd({False{} == True{} : Bool}, Arith.clash(Equal.trans(Bool, False{}, U32.is_lt(index, Shape.count(Layout.output(input, axes, plan))), True{}, equal,
        Equal.sym(Bool, True{}, U32.is_lt(index, Shape.count(Layout.output(input, axes, plan))), inside))))
    case Shape.BTrue{+equal}:
      mapping_output_success(input, axes, plan, index, Layout.FIndex{index, equal}, {==},
        Layout.reverse_words(Layout.unflatten_words(Layout.reverse_words(Shape.dimensions(Layout.output(input, axes, plan))), index)), {==},
        Layout.words_check(Shape.dimensions(Layout.output(input, axes, plan)), Layout.reverse_words(Layout.unflatten_words(Layout.reverse_words(Shape.dimensions(Layout.output(input, axes, plan))), index))),
        words_check_success(Shape.dimensions(Layout.output(input, axes, plan)),
          Layout.reverse_words(Layout.unflatten_words(Layout.reverse_words(Shape.dimensions(Layout.output(input, axes, plan))), index)),
          decoded_words_valid(Layout.output(input, axes, plan), index,
            %Equal.sym(Nat, Shape.elements(Layout.output(input, axes, plan)), Shape.logical_numel(Shape.dimensions(Layout.output(input, axes, plan))), Shape.elements_exact(Layout.output(input, axes, plan))) :
              {True{} == Nat.is_lt(U32.to_nat(index), _) : Bool}
            Equal.sym(Bool, Nat.is_lt(U32.to_nat(index), Shape.logical_numel(Shape.dimensions(Layout.output(input, axes, plan)))), True{},
              flat_mathematical_bounded(Layout.output(input, axes, plan), Layout.FIndex{index, equal})))))

Uses (32):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.trans
  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=Nat.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result.is_done
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.to_nat
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=BoolCase
  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=elements
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/shape/core.bend&name=elements_exact
  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/arith.bend&name=clash
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=Error
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=FlatIndex
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=Mapping
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=Plan
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=map_decided
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=output
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=reverse_words
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=unflatten_words
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/layout.bend&name=words_check
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend&name=decoded_words_valid
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend&name=flat_mathematical_bounded
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend&name=mapping_output_success
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend&name=words_check_success