code: def forward(self, x):
      return x * 0.5 * (1.0 + torch.erf(x / math.sqrt(2.0)))
  
file_path: DeepKE/src/deepke/attribution_extraction/standard/module/CNN.py
imports: import math
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 2 for calling the GELU obj's underlying member method code with example usage: obj.forward(x) and returns: unknown