code: def _old_irfft(x: torch.Tensor, length: int):
      result = torch.irfft(x, 1, signal_sizes=(length,))  # type: ignore
      return result
  
file_path: julius/julius/fftconv.py
imports: from typing import Optional
  import torch
  from torch.nn import functional
  from .core import pad_to, unfold
  from .utils import simple_repr
label_desc: Use image node_id 3 for calling a global function with example usage: _old_irfft(x, length) and returns: result