def written_value

bendtorch-core@0.1.0.0 · src/tensor/write_contract.bend:111

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/observation.bend as Observation
import bendtorch-core@0.1.0.0/src/tensor/read_contract.bend as Reads

111def written_value(+shape: Shape.Shape, +fill: F32, +index: U32, +value: F32, +other: U32, -expected: F32,
112  inside: {Nat.is_lt(U32.to_nat(other), Shape.logical_numel(Shape.dimensions(shape))) == True{} : Bool}, picked: {written_pick(shape, index, value, other, fill) == expected : F32}) ->
113  {Observation.written_value(shape, index, value, other, Core.new(shape, fill)) == Some{expected} : Maybe<&2, F32>}:
114  Reads.new_lift(shape, fill, result => {Observation.written_value(shape, index, value, other, result) == Some{expected} : Maybe<&2, F32>},
115    valid => Equal.trans(Maybe<&2, F32>, Observation.written_value(shape, index, value, other, Done{Core.TTensor{StorageLaws.created(Shape.count(shape), fill), valid}}),
116      Some{written_pick(shape, index, value, other, fill)}, Some{expected},
117      write_value_done(shape, fill, valid, index, value, other, inside),
118      Equal.cong(F32, Maybe<&2, F32>, number => Some{number}, written_pick(shape, index, value, other, fill), expected, picked)))