PermutationMapping.cursor_index_bounded: def of bendtorch-core@0.1.0.0
Import: import bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend as PermutationMapping
Lines 735-743 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=735&end_line=743

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/storage/arith.bend as Arith
import bendtorch-core@0.1.0.0/src/tensor/word_conversion.bend as WordConversion

def cursor_index_bounded(+shape: Shape.Shape, +cursor: Nat, +inside: {True{} == Nat.is_lt(cursor, Shape.elements(shape)) : Bool}) ->
  {True{} == U32.is_lt(U32.from_nat(cursor), Shape.count(shape)) : Bool}:
  %Arith.u32_lt(U32.from_nat(cursor), Shape.count(shape)) : {True{} == _ : Bool}
  %Equal.sym(Nat, U32.to_nat(Shape.count(shape)), Shape.elements(shape), WordConversion.shape_count_exact(shape)) :
    {True{} == Nat.is_lt(U32.to_nat(U32.from_nat(cursor)), _) : Bool}
  %Equal.sym(Nat, U32.to_nat(U32.from_nat(cursor)), cursor, cursor_word_exact(shape, cursor,
    WordConversion.lt_le(cursor, Shape.elements(shape), Equal.sym(Bool, True{}, Nat.is_lt(cursor, Shape.elements(shape)), inside)))) :
      {True{} == Nat.is_lt(_, Shape.elements(shape)) : Bool}
  inside

Uses (14):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.sym
  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=U32.from_nat
  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=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=elements
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/storage/arith.bend&name=u32_lt
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/permutation_mapping.bend&name=cursor_word_exact
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/word_conversion.bend&name=lt_le
  https://jend.leeeet.dev/definition.txt?path=bendtorch-core@0.1.0.0/src/tensor/word_conversion.bend&name=shape_count_exact