class_docstr: Implementation of the GELU activation function currently in Google BERT repo (identical to OpenAI GPT). Also
  see the Gaussian Error Linear Units paper: https://arxiv.org/abs/1606.08415
code: def forward(self, x: torch.Tensor) -> torch.Tensor:
      return (
          0.5
          * x
          * (
              1.0
              + torch.tanh(
                  math.sqrt(2.0 / math.pi)
                  * (x + 0.044715 * torch.pow(x, 3.0))
              )
          )
      )
  
imports: import math
  import torch
  from allennlp.common import Registrable
label_desc: Use image node_id 1 for calling the GeluNew obj's underlying member method code with example usage: obj.forward(x) and returns: unknown