arap_step_with_energy# iskra.deformation.arap.arap_step_with_energy(verts_deformed: Tensor, verts: Tensor, cots: Tensor, vert_vert: Tensor, lap: Tensor, bc_idx: Tensor, bc_vals: Tensor, solver: Callable[[Tensor], Tensor] | None = None) → tuple[Tensor, Tensor][SOURCE]#