def write_miss

bendtorch-core@0.1.0.0 · src/tensor/contracts/pointwise_proof.bend:171

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/from_values_contract.bend as FromValues

171def write_miss(+shape: Shape.Shape, +previous: Nat, +index: U32, +word: F32, +old: F32,
172  +room: {Nat.is_lt(previous, Shape.logical_numel(Shape.dimensions(shape))) == True{} : Bool},
173  earlier: {Nat.is_lt(U32.to_nat(index), previous) == True{} : Bool}) ->
174  {StorageLaws.latest(U32.to_nat(Shape.count(shape)), StorageLaws.Write{U32.from_nat(previous), word}, index, old) == old : F32}:
175  %Equal.sym(Nat, U32.to_nat(U32.from_nat(previous)), previous, word_exact(previous, shape, room)) :
176    {Bool.pick(F32, Bool.and(Nat.is_lt(_, U32.to_nat(Shape.count(shape))), Nat.is_eq(_, U32.to_nat(index))), word, old) == old : F32}
177  %Equal.sym(Bool, Nat.is_lt(previous, U32.to_nat(Shape.count(shape))), True{}, lt_count(previous, shape, room)) :
178    {Bool.pick(F32, Bool.and(_, Nat.is_eq(previous, U32.to_nat(index))), word, old) == old : F32}
179  %Equal.sym(Bool, Nat.is_eq(previous, U32.to_nat(index)), False{}, FromValues.lt_different(U32.to_nat(index), previous, earlier)) :
180    {Bool.pick(F32, _, word, old) == old : F32}
181  {==}