def unsqueezed

bendtorch-core@0.1.0.0 · src/autograd/tensor_backward.bend:299

import Base
import bendtorch-core@0.1.0.0/src/shape/core.bend as Shape
import bendtorch-core@0.1.0.0/src/tensor/core.bend as Core
import bendtorch-core@0.1.0.0/src/tensor/layout.bend as Layout
import bendtorch-core@0.1.0.0/src/tensor/transforms.bend as Transforms

299def unsqueezed(+a: Nat, +input: Shape.Shape, +kept: Shape.Shape, +shape: Shape.Shape, tensor: Core.Tensor<shape>,
300  decision: Shape.BoolCase<Nat.is_eq(Shape.elements(shape), Shape.elements(kept))>) -> Pass:
301  match decision:
302    case Shape.BFalse{equal}:
303      Pass{Unsaved{}, Core.Packed{shape, tensor}, Fail{TransformError{Transforms.LayoutError{Layout.ElementCountMismatch{}}}}}
304    case Shape.BTrue{equal}:
305      restored(shape, vjp_sum(a, input, Transforms.reshape_equal(shape, kept, tensor, Transforms.elements_equal(shape, kept, equal))))