class_docstr: Test functions defined in `functional` module
class_docstr_tok: ["Test","functions","defined","in","`","functional","`","module"]
code: def test_mvdr_weights_rtf(self):
      batch_size = 2
      channel = 4
      n_fft_bin = 129
      rtf = torch.rand(
          batch_size, n_fft_bin, channel, dtype=torch.cfloat
      )
      psd_noise = torch.rand(
          batch_size, n_fft_bin, channel, channel, dtype=torch.cfloat
      )
      kwargs = {
          "reference_channel": 0,
      }
      func = partial(F.mvdr_weights_rtf, **kwargs)
      self.assert_batch_consistency(func, (rtf, psd_noise))
  
imports: import itertools
  import math
  from functools import partial
  import torch
  import torchaudio.functional
  from parameterized import parameterized, parameterized_class
  from torchaudio_unittest import common_utils
label_desc: Use image node_id 20 for calling the TestFunctional obj's underlying member method code with example usage: obj.test_mvdr_weights_rtf() without return types