code: def _new_irfft(x: torch.Tensor, length: int):
      x = torch.view_as_complex(x)
      return new_fft.irfft(x, length, dim=-1)
  
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 4 for calling a global function with example usage: _new_irfft(x, length) and returns: new_fft